Evergreen Extension
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| Evergreen Extension | |
|---|---|
Lafarge Lake–Douglas station in Coquitlam | |
| Overview | |
| Other name | Evergreen Line (planning) |
| Owner | TransLink |
| Locale | Metro Vancouver, British Columbia |
| Stations | 6 |
| Service | |
| Type | Rapid transit extension |
| System | SkyTrain (Millennium Line) |
| Operator(s) | British Columbia Rapid Transit Company |
| Daily ridership | 39,500 (September 2019)[1] |
| History | |
| Opened | December 2, 2016[2] |
| Technical | |
| Line length | 10.9 km (6.8 mi) |
| Number of tracks | 2 |
| Track gauge | 1,435 mm (4 ft 8+1⁄2 in) standard gauge |
| Electrification | Four rail system (Linear motor) |
| Operating speed | 80 km/h (50 mph)[3] |
The Evergreen Extension (previously known as the Evergreen Line) is a 10.9-kilometre-long (6.8 mi) extension of the Millennium Line of Metro Vancouver's SkyTrain rapid transit system.[4] The extension runs from Lougheed Town Centre in Burnaby to Lafarge Lake–Douglas in Coquitlam and included six new SkyTrain stations and an upgraded existing station (Lougheed Town Centre) on the Millennium Line. It began operations on December 2, 2016.[2][5]
Since the extension opened, the Millennium Line has operated between VCC–Clark and Lafarge Lake–Douglas.[6] In 2012, the Evergreen extension was expected to see 50,000 riders daily in its first year of operation, rising to 70,000 passengers per day by 2021.[7] Actual usage, however, has consistently been lower than this, with 30,000 trips taken on an average weekday in January 2017,[8] rising to almost 40,000 trips per day in 2019,[9] before usage dropped sharply as a result of the COVID-19 pandemic.[10]
History
[edit]
A rapid transit extension to Coquitlam was intended to be phase 2 of the new Millennium Line that was completed in 2002. As the costs of the project rose, however, plans to extend the line into Coquitlam were cancelled, though not before a third incomplete concrete platform on the westbound side of the Lougheed Town Centre station was built, with a spur of tracks for a potential extension.
After completion of the Millennium Line, TransLink undertook several studies regarding the fate of the extension, considering a variety of possible options, including a diesel multiple unit-based railway, a light rail transit line, a new SkyTrain line, and an express bus service. In September 2002, the 97 B-Line express bus service was launched. In 2004, it was decided that a light rail line was the best option, as it would better blend in with the neighbourhood, cost less, better fit ridership patterns, and not compete with customers from the existing West Coast Express.
Detailed design began in October 2006, when the TransLink Board approved the Evergreen Light Rail Transit (LRT) project definition phase. Despite a series of public consultations held during this period, in a community update issued May 2007, TransLink summarized the state of the project as follows:
Work continues to resolve several outstanding issues before the project proceeds. Until there is project certainty, the planned consultation process in support of detailed design, the planned submission of the Application for an Environmental Assessment Certificate and the anticipated start date of the project construction are delayed.[11]
This statement prompted local news agencies to assume TransLink had shelved the project. TransLink responded by issuing a subsequent statement on July 19: "The Light Rail Transit system for the Northeast Sector is the number one rapid transit priority for TransLink", TransLink Chair Malcolm Brodie said. "We have defined the project, and now we are waiting for funding to be confirmed from senior levels of government."[12]

On February 1, 2008, the provincial government and TransLink unveiled a revised business case for the Evergreen Extension, preferring the Advanced Light Rapid Transit (ALRT) used by SkyTrain over the light rail technology that had been proposed. The expected completion date was pushed back from 2011 to 2014.[13] On April 18, 2008, the Transport Ministry and TransLink announced that of the two routes proposed in the business case, the North West route was selected after consultation with the various municipalities.[14] On August 5, 2008, the provincial government and TransLink agreed on Evergreen Line delivery.[15] On May 4, 2009, the Ministry of Transportation released a Project Description Report for the Evergreen Line. The report provided more information about the scope and characteristics of the proposed line and detailed the project's environmental and socio-economic requirements.[16]
On September 3, 2009, the release of the report on TransLink's 2010 ten-year plan by Martin Crilly, the Regional Transportation Commissioner appointed by the provincial government, indicated that rapid transit expansion, which included the Evergreen Line, was highly unlikely without a predictable source of operational funding. Although he stopped short of offering his opinion on the project, he agreed nonetheless with TransLink that upgrades to the existing system should be prioritized before the construction of the Evergreen Line.[17]
Later that month, the second project update was released by the Evergreen Line Project. The update stated that contractor selection would begin in early to mid-2010, environmental assessment would be completed in 2010, and construction would proceed in late 2010. The update also announced open houses for the environmental assessment process for September 2009 and open houses for preliminary design in October and November 2009. It did not make reference to the funding issues that remained unresolved at the time.[18]
On October 26, 2009, the TransLink Mayors' Council voted against the increased funding necessary to pursue the Evergreen Line, instead voting for keeping existing services as they are.[19] However, on October 28, 2009, Premier Gordon Campbell stated that the project would continue even though it had been voted down.
On October 7, 2011, the Mayors' Council approved the "Moving Forward" 2012 Supplemental Plan to fund various transportation projects in the Metro Vancouver region, including the Evergreen Line. Funding would be provided in part by a two-cents-per-litre increase in the Metro Vancouver fuel tax that was to be implemented in April 2012, with further funding from new sources that had yet to be determined.[20][21] Of the projected $1.4 billion cost for the Evergreen Line, TransLink would provide $400 million, the provincial government would contribute $583 million, and the federal government would contribute $417 million. Transportation Minister Blair Lekstrom announced that construction was expected to begin in mid-2012, soon after a winning bid for construction had been chosen from three shortlisted builders.[5][22]
On January 25, 2012, the provincial government announced that pre-construction work would proceed on the line.
In May 2012, preliminary construction began, including the removal of some buildings and the construction of underground utility tunnels in certain areas of Port Moody and Coquitlam.[23] At the same time, the province also awarded contracts to widen sections of North Road that were to be affected by construction of the line in the middle of the year.[24]
On July 19, 2012, the Government of Canada, the City of Coquitlam, and Coquitlam Centre Mall reached an agreement to add Lincoln station to the Evergreen Line project with the federal government contributing $7 million to the public–private partnership that built the station.[25]
On October 4, 2012, SNC-Lavalin was chosen as the primary contractor to construct the Evergreen Line.[26]
On December 3, 2012, the provincial government and TransLink signed a contract with Bombardier Transportation to supply 28 SkyTrain cars.[27]
On December 8, 2012, the final early works contract for the Evergreen Line was awarded and was to be completed by March 2013. The statement also promised that the project was still on track for completion in 2016.[28]
On February 5, 2013, Thales Canada announced that it had been awarded a contract by Partnerships BC to install the company's SelTrac communications-based train control (CBTC).

On March 23, 2013, the final names of the Evergreen Line stations were announced. It was also announced that construction of the Evergreen Line guideway would start in the Burquitlam area of Coquitlam in mid-2013 and continue south to Lougheed Town Centre station. The stations were to be built in the following order:
- Inlet Centre station, including utility work;
- Moody Centre station, including utility work and relocation of the railway in the area;
- Lincoln station, Burquitlam station, and Lougheed Town Centre station (beginning in mid-2013); and
- Coquitlam Central station and Lafarge Lake–Douglas station (beginning in late 2013).[29]
In October 2014, the elevated guideway section between Lougheed Town Centre station to the South Tunnel Portal was completed. The launching truss was transported to Coquitlam Central station, where crews continued to build the elevated guideway north to Lafarge Lake–Douglas station.[30]
On February 13, 2015, the provincial government announced that the opening of the line would be delayed until late 2016, due to a slower-than-expected tunnel boring process. Any costs associated with the delay would come at no cost to the taxpayers and would instead be covered by the contractor.
In June 2015, the project management team announced that they would begin testing trains between Lougheed station and Burquitlam station in July 2015. In the week of July 6, 2015, testing began.[31]
On November 27, 2015, the provincial government announced that the opening of the line would be further delayed until early 2017.[32]
As of April 2016, the project was 85% complete, including trackwork in elevated and at-grade guideways, guideway construction, tunnel boring, tunnel base, station buildings, and testing between Lougheed and Burquitlam station.[33]
On September 8, 2016, it was announced that the line would be opening before the end of 2016 but that a concrete date had yet to be set.[34] It was also announced that the line would be referred to as the Evergreen Extension instead of the Evergreen Line.
On October 22, 2016, Expo Line and Millennium Line route changes took effect to accommodate the Evergreen Extension.[35][36] The changes, announced on September 19, 2016, were implemented ahead of the Evergreen Extension opening to familiarize riders with the new operating pattern.[37][38]
On November 7, 2016, TransLink announced that the extension would open on December 2, 2016.[2]
Project funding
[edit]Funding for the project was provided from four major groups:[39]
- Government of British Columbia: $586 million
- Government of Canada: $424 million
- TransLink: $400 million
- City of Coquitlam and Coquitlam Centre: $21 million
Route description
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The July 2012 project update gave the following description of the alignment:[40]
- Burquitlam
- The Evergreen Line will run north from Lougheed Town Centre Station on an elevated guideway along the centre of North Road. Burquitlam Station will be on the east side of Clarke Road near Burquitlam Plaza. Leaving Burquitlam Station, the line will cross to the west side of Clarke Road, before entering a tunnel towards Port Moody.
- Port Moody
- The Evergreen Extension will emerge from the tunnel just east of Barnet Highway. It will travel at ground level along the south side of the Canadian Pacific Rail (CPR) tracks to Moody Centre Station (with a connection to the West Coast Express), located at the Port Moody transit exchange site. Continuing east, the line will cross the CPR tracks just before Inlet Centre Station, located north of Barnet Highway.
- Coquitlam
- The line will continue along the north side of the CPR tracks towards Coquitlam Central Station, located at the Coquitlam transit exchange site. Turning north, the line will run on an elevated guideway along the west side of Pinetree Way to Lincoln Station. It will then cross to the east side near Northern Avenue, before ending at Lafarge Lake–Douglas Station, north of Guildford Way.
From the line's opening until June 24, 2018, trains ran in the direction of left-hand traffic instead of the standard right-hand traffic between Burquitlam and Lougheed Town Centre, and used two switches just south of Burquitlam station to return to normal travelling direction. Normal right-hand running between those two stations commenced on June 25, 2018, in order to reduce delays.
Design
[edit]The May 2009 Project Description Report and September 2009 Project Update provided previously unconfirmed details about the Evergreen Line, including the following:
- Travel time from Coquitlam City Centre to Lougheed Town Centre would be 15 minutes.
- Service would be every three minutes during peak hours.
- Operating hours would be approximately 20 hours per day on weekdays, and less on weekends.[41]
- The line would provide direct connections, without transfers, to what [was then] the Millennium Line.
- Projected ridership was 70,000 per day in 2021.
- Peak hour system capacity would be 10,400 passengers in 2021.
- Operations would be integrated with the existing SkyTrain facility near Edmonds station on the Expo Line.
The LRT-based plan foresaw eleven stations. As part of the decision to use ALRT technology, four planned stations were cut: Cameron, Buller, Lansdowne, and Coquitlam Civic Centre.[42]
Stations
[edit]Six new stations were confirmed for the opening of the Evergreen Extension:
- Burquitlam station, on the east side of Clarke Road near Burquitlam Plaza
- Moody Centre station, at the Port Moody transit exchange site
- Inlet Centre station, north of Barnet Highway, on the north side of the CPR tracks
- Coquitlam Central station, at the Coquitlam transit exchange site
- Lincoln station, on the northeast corner of Coquitlam Centre[43]
- Lafarge Lake–Douglas station, east side of Pinetree Way and north of Guildford Way

Two existing SkyTrain stations were upgraded to serve the Evergreen Extension:
- Lougheed Town Centre station—An additional platform was constructed on the northeast side of the station, completing a roughed-in platform and track that were constructed previously in anticipation of the Evergreen Extension. This northeast platform (Platform 3) was originally used for eastbound trains travelling to Lafarge Lake–Douglas. The southwest centre platform (Platforms 1 & 2) served the Lougheed branch of the Expo Line (Platform 2 westbound to Production Way–University and Platform 1 eastbound to Braid), as well as westbound Millennium Line trains to VCC–Clark (Platform 2), allowing for cross-platform transfers between those services.
- Commercial–Broadway station—Increased ridership was expected to lead to larger transfer volumes at Commercial–Broadway station in Vancouver, already the busiest public transit hub in Metro Vancouver. As a result, as part of the Expo Line Upgrade Strategy, Commercial–Broadway station received major upgrades to platforms and passageways to facilitate larger volumes of passengers.[44] An additional side platform for passengers exiting Waterfront-bound trains (using a partial Spanish solution approach) was constructed, which saw the remodelling of the Safeway grocery store directly east of the station. This new platform was designed to relieve crowding on existing Platforms 3 and 4. Also included in the plan was a new pedestrian overpass over Broadway and a widened bridge above the Grandview Cut to the Millennium Line platforms.[44]
The design blueprints showed allowances for two future stations, at Queens Street in Port Moody and Falcon Drive in Coquitlam, should future development warrant their construction, according to the Evergreen Line project office.[45] Also in the design plans was a short spur at Coquitlam Central station, added to allow for a possible future extension of the line to Port Coquitlam.[46]
References
[edit]- ^ Chan, Kenneth (December 2, 2019). "SkyTrain Evergreen Extension sees strong ridership growth 3 years after opening". Daily Hive.
- ^ a b c Brown, Scott (November 7, 2016). "TransLink will open Evergreen Line on Dec. 2". Vancouver Sun. Retrieved November 7, 2016.
- ^ "Evergreen Line - About Evergreen". gov.bc.ca. Archived from the original on June 3, 2015. Retrieved July 16, 2015.
- ^ "Evergreen Line RFP released" (PDF). Government of British Columbia. November 2011. Archived from the original (PDF) on January 5, 2012. Retrieved November 10, 2011.
- ^ a b "Information Bulletin: Evergreen Line RFP released" (PDF). British Columbia Ministry of Transportation. November 9, 2011. Archived from the original (PDF) on January 5, 2012. Retrieved November 10, 2011.
- ^ "Evergreen Line RFP released" (PDF). Government of British Columbia. November 2011. Archived from the original (PDF) on November 20, 2011. Retrieved November 17, 2011.
- ^ "Evergreen Line FAQ". Evergreenline.gov.bc.ca. Archived from the original on July 23, 2012. Retrieved April 26, 2013.
- ^ "Canadian Consulting Engineering Awards 2017, Evergreen Line Rapid Transit Project" (PDF). p. 6. Retrieved January 26, 2024.
- ^ Chan, Kenneth (December 2, 2019). "SkyTrain Evergreen Extension sees strong ridership growth 3 years after opening". Daily Hive. Retrieved January 26, 2024.
- ^ "The Evergreen Extension launched on Tri-Cities' rails five years ago. Where does it go from here?". Tri-City News. December 31, 2021. Retrieved January 26, 2024.
- ^ "Community Update" (PDF). TransLink. May 2007. Archived from the original (PDF) on June 22, 2015.
- ^ "Evergreen Line is still TransLink's priority". TransLink. July 19, 2007. Archived from the original on September 26, 2007.
- ^ "Evergreen Line Business Case Update" (PDF). BC Ministry of Transportation. February 2008.[permanent dead link]
- ^ "Northwest route decided for Evergreen Line". Translink. February 2008. Archived from the original on April 21, 2008.
- ^ "B.C., Translink Agree on Evergreen Line Delivery". News Release. Ministry of Transportation and Infrastructure, TransLink. Archived from the original on June 12, 2011. Retrieved September 17, 2009.
- ^ "Evergreen Line Rapid Transit Project Project Description Report" (PDF). BC Ministry of Transportation and Infrastructure. May 4, 2009. Archived from the original (PDF) on July 6, 2011. Retrieved September 21, 2009.
- ^ "Commissioner Report on TransLink's 2010 10-year Transportation Plan" (PDF). South Coast British Columbia Regional Transportation Commission. August 31, 2009. Archived from the original (PDF) on July 28, 2011.
- ^ "Evergreen Line Project Update No. 2" (PDF). Evergreen Line Project Office. September 11, 2009. Archived from the original (PDF) on July 6, 2011. Retrieved September 21, 2009.
- ^ "Metro Vancouver mayors vote for an extra $130-million for TransLink". Archived from the original on October 30, 2009. Retrieved November 11, 2009.
- ^ Reid, Amy (October 11, 2011). "Two-cent gas tax given green light by mayors". Surrey Now. Archived from the original on April 3, 2012. Retrieved November 6, 2011.
- ^ Willis, Robert (October 7, 2011). "Metro Vancouver Mayors' Council vote to approve the "Moving Forward" supplemental plan". The Buzzer Blog. TransLink. Retrieved November 6, 2011.
- ^ Lazaruk, Susan (October 28, 2011). "Evergreen under way by late summer". The Province. Retrieved November 6, 2011.[dead link]
- ^ Sinoski, Kelly (January 26, 2012). "Evergreen Line puts Tri-Cities on fast track for development". The Vancouver Sun. p. A6.
- ^ "Evergreen Line - Connecting Coquitlam to Vancouver via Port Moody". Government of British Columbia. May 2012.
- ^ Sinoski, Kelly (July 19, 2012). "Coquitlam announces plans for a Lincoln Avenue station on Evergreen Line". The Vancouver Sun. Archived from the original on July 21, 2012. Retrieved July 19, 2012.
- ^ "SNC-Lavalin on track to build Evergreen". The Tri-City News. October 4, 2012. Archived from the original on May 20, 2013. Retrieved April 26, 2013.
- ^ "Contract signed with Bombardier to supply Evergreen Line SkyTrain cars". Government of British Columbia. December 3, 2012. Retrieved February 24, 2016.
- ^ "Final early works contract for the Evergreen Line awarded". Railway Track & Structures. December 10, 2012. Retrieved February 24, 2014.
- ^ Ministry of Transportation and Infrastructure (March 23, 2013). "Promise made, promise kept: Evergreen Line construction on track | BC Newsroom". Newsroom.gov.bc.ca. Archived from the original on April 30, 2013. Retrieved April 26, 2013.
- ^ "COMMUNITY UPDATE NO. 9 – October 2014" (PDF). October 27, 2014. Archived from the original (PDF) on October 28, 2014. Retrieved October 27, 2014.
- ^ Strandberg, Diane (July 6, 2015). "Evergreen Line testing begins". Tri-City News. Retrieved July 15, 2015.
- ^ "Evergreen Line won't take passengers until 2017". Canadian Broadcasting Corporation. November 27, 2015. Retrieved November 27, 2015.
- ^ "The Evergreen Line Project: 85% Complete" (PDF). Archived from the original (PDF) on May 9, 2016. Retrieved April 27, 2016.
- ^ Mason, Kenny; Aslam, Sonia (September 8, 2016). "Despite delays, Evergreen Line to open before Christmas". News1130. Retrieved September 9, 2016.
- ^ "SkyTrain Schedule". Translink. Retrieved October 27, 2016.
- ^ Johnston, Jesse (October 22, 2016). "SkyTrain network changes start today". CBC. Retrieved October 27, 2016.
- ^ "Translink introduces new SkyTrain operating pattern on October 22". Translink. September 19, 2016. Archived from the original on March 14, 2020. Retrieved October 27, 2016.
- ^ Johnston, Jesse (September 19, 2016). "Changes are coming to the SkyTrain network". CBC. Retrieved October 27, 2016.
- ^ Farrell, Amanda (November 2016). "Evergreen Line Financials" (PDF). www.th.gov.bc.ca. p. 10. Retrieved June 20, 2017.[permanent dead link]
- ^ "Evergreen Line Project Overview". British Columbia Ministry of Transportation. July 19, 2012. Archived from the original on January 27, 2013. Retrieved July 19, 2012.
- ^ "Evergreen Line Rapid Transit Project - Preliminary Design Consultation Discussion Guide" (PDF). Government of British Columbia. September 2009. Archived from the original (PDF) on June 11, 2011. Retrieved October 6, 2009.
- ^ "Northwest route decided for Evergreen Line". Translink. February 2008. Archived from the original on August 1, 2013. Retrieved June 21, 2013.
- ^ "Evergreen Line gets addition, before it's even built". News1130. July 19, 2012. Archived from the original on June 17, 2013. Retrieved April 26, 2013.
- ^ a b "Commercial–Broadway Station Phase 2 Upgrades" (PDF). TransLink. December 2014.
- ^ "Project Report: Evergreen Line Rapid Transit Project" (PDF). Partnerships BC. March 2013. Retrieved April 2, 2015.
- ^ "Evergreen Line Rapid Transit Project: Station Area Design Consultation Discussion Guide" (PDF). Evergreen Line. Ministry of Transportation and Infrastructure. October 4 – November 5, 2010. p. 26. Archived from the original (PDF) on August 24, 2012. Retrieved April 2, 2015.
External links
[edit]- Evergreen Line project website Archived April 18, 2008, at the Wayback Machine
Evergreen Extension
View on GrokipediaHistorical Development
Early Planning and Proposals
The Evergreen Extension originated in the early 1990s as part of regional transit strategies to address rapid population growth and connectivity demands in the Tri-Cities area, encompassing Coquitlam and Port Moody, to Vancouver's core. The 1993 Transport 2021 Long-Range Transportation Plan identified the need for rapid transit linking regional town centers, including Coquitlam, amid projections for Northeast Sector population expansion that outpaced the Greater Vancouver Regional District average, with a 125% increase from 1976 to 2005 compared to the region's 85%.[11] This growth, driven by residential and commercial development in proximity to Vancouver, strained existing roadways like North Road, where traffic volumes rose 10.3% annually from 1996 to 2006 against a regional 6.7% average, underscoring empirical requirements for high-capacity transit beyond incremental bus enhancements.[11] Feasibility studies from 2001 to 2010 evaluated extension options from Lougheed Town Centre, incorporating demand modeling tied to projected Northeast Sector population reaching 288,000 by 2021—a 46% rise from 2001 levels in Coquitlam, Port Moody, and adjacent areas. The 2003 IBI Group Phase 1 study assessed conceptual alignments, followed by the 2004 Phase 2 evaluation using multiple account analysis to compare technologies, culminating in the October 2006 Business Case that forecasted 10.7 million annual riders by 2021, equivalent to approximately 50,000 daily in early operations scaling to 70,000.[11][12] These projections derived from traffic screenline data showing potential tripled road delays to 64 seconds per vehicle by 2021 without intervention, emphasizing capacity constraints where rail could handle 3,600–7,660 passengers per hour per direction, far exceeding bus limits.[11] Alternatives such as bus rapid transit (BRT) and enhanced bus services like the 97 B-Line were analyzed but deemed inadequate for long-term needs, with BRT reaching capacity saturation by 2021 despite lower initial costs of $86.2 million per kilometer, necessitating future upgrades to rail.[11] Highway expansions faced physical barriers, limited to adding at most two lanes on corridors like North Road, providing only 700–1,100 vehicles per hour per lane—insufficient against forecasted demand equivalent to eight lanes of traffic.[11] Light rail transit emerged as optimal in initial evaluations for balancing capital efficiency with development potential, outperforming conventional bus (capped at 425 passengers per hour) while avoiding SkyTrain's higher upfront expenses, though ultimate selection prioritized sustained ridership gains over short-term fiscal metrics.[11]Project Approval and Political Context
The Evergreen Extension's approval process culminated in early 2013 under the BC Liberal government, which had been in power since 2001 and was led by Premier Christy Clark following the 2011 leadership transition from Gordon Campbell. Initial provincial commitments traced back to December 2008, when Transportation Minister Kevin Falcon announced expectations for federal funding to support the $1.4 billion project alongside $410 million from British Columbia and $400 million from TransLink, positioning it as a key element of a 10-year transportation plan aimed at regional growth. However, progress stalled amid the 2008 global financial crisis, shifting priorities toward recession recovery and projects like the Canada Line for the 2010 Vancouver Olympics, which deferred full endorsement until economic conditions improved.[13][14] On March 13, 2013, the BC government formally greenlit construction, announcing a detailed schedule in partnership with TransLink, without subjecting the decision to a public referendum despite the project's reliance on taxpayer funds exceeding $1 billion provincially. This top-down approach drew critiques for sidelining broader local input, with opponents arguing it overlooked cost-benefit analyses favoring lighter rail alternatives and ignored fiscal risks in a pre-election context—the May 2013 provincial vote saw the Liberals secure a minority government partly on infrastructure promises. The decision reflected the administration's emphasis on rapid transit expansion to alleviate congestion in the Tri-Cities area, bypassing referenda mechanisms used in other regional debates like the 2015 TransLink funding plebiscite.[15][16] Concurrently, the federal Conservative government under Prime Minister Stephen Harper endorsed the project on the same date, committing up to $424 million via the Building Canada Fund ($350 million) and Asia-Pacific Gateway Fund ($67 million) as part of post-recession infrastructure stimulus to boost employment and long-term connectivity. This tripartite agreement—federal, provincial, and municipal—enabled procurement as a design-build-finance model, though later audits noted the haste in scoping it as a SkyTrain extension over other options, prioritizing speed over extended public consultation.[17][18][19]Funding and Budget Allocation
The Evergreen Extension's initial budget was established at $1.43 billion CAD upon project approval in 2009, reflecting the estimated cost for the 11-kilometre SkyTrain extension from Commercial–Broadway station to Coquitlam City Centre.[18] This figure encompassed design, construction, and land acquisition, funded exclusively through public sources without private sector involvement or public-private partnerships (P3s), which would have enabled risk-sharing on costs and overruns.[18] The absence of such partnerships meant full financial liability rested with governments and regional transit authorities, precluding mechanisms for private capital to absorb potential variances and limiting diversification of funding risks.[19] The Province of British Columbia provided the largest share, approximately $1.024 billion from provincial revenues, underscoring heavy reliance on broader taxpayer funds beyond Metro Vancouver's regional base. The federal government contributed $424 million, allocated via the Building Canada Fund ($350 million), Public Transit Capital Trust Fund ($67 million), and a minor PPP Canada grant ($7 million) for a specific station enhancement.[2] TransLink's input remained minimal at around $400 million, drawn from insufficient regional sources including transit fares, gas taxes, and property levies in Metro Vancouver, which could not independently cover the project's scale without supplemental provincial and federal infusions.[20] This allocation highlighted opportunity costs for public budgets, as the commitments diverted funds from alternative infrastructure or services; for instance, Metro Vancouver's gas taxes and fares alone fell short, necessitating provincial top-ups that drew from general taxation pools.[21] The model emphasized direct taxpayer exposure, with no equity stakes or revenue-sharing from private operators to offset liabilities.[19]Construction and Implementation
Timeline and Key Milestones
Construction of the Evergreen Extension commenced in mid-2012, following the completion of environmental assessments and initial site preparations.[22] Preliminary works included utility relocations and early earthworks in Port Moody, Coquitlam, and Burnaby, with major structural construction, such as support columns for the elevated guideway, beginning in June 2013.[23] A key milestone occurred in March 2014, when the tunnel boring machine "Alice" was launched to excavate the 2-kilometer underground section between Port Moody and Coquitlam.[23] The tunneling process, intended to advance at approximately 10 meters per day, proceeded more slowly than anticipated due to challenging ground conditions, including mixed face geology with rock and soil.[24] Breakthrough was achieved on November 27, 2015, marking the completion of the bored tunnel ahead of subsequent guideway and track installation phases.[25] Progress on elevated sections involved erecting precast concrete segments for the guideway, with testing of automated train control systems and integration with the existing Millennium Line commencing in mid-2016.[22] The project faced delays from the original summer 2016 target opening, primarily attributed to the extended tunneling duration, pushing the schedule to late 2016.[26] On September 8, 2016, officials confirmed operations would begin before year-end, with the final opening date set for December 2, 2016, after successful system-wide testing.[4]Engineering and Construction Challenges
The Evergreen Extension involved constructing 10.9 km of guideway, featuring 2.2 km of twin bored tunnels, elevated guideways, and at-grade sections, with seamless integration into the existing Millennium Line at Lougheed Town Centre to maintain automated operations.[27] The project employed SNC-Lavalin's tunnel boring machine for the underground segments, but encountered significant geological challenges including loose glacial till, sandy soils, and high groundwater ingress, necessitating dewatering and jet-grouting to stabilize conditions.[24] These subsurface issues initially delayed tunnel completion by up to 12 months, though mitigation efforts reduced the overall project slippage to three months, highlighting the causal trade-offs of bored tunneling—reduced surface disruption at the cost of extended subsurface risks and specialized interventions.[27] Geotechnical hurdles extended to ground improvement and foundations amid liquefiable soils, soft marine clays, and dense till deposits, addressed through cement deep soil mixing columns, timber piles, and driven steel pipe piles, with obstructions like boulders causing pile driving delays.[28] Seismic design demanded performance-based approaches, incorporating FLAC modeling for multiple earthquake levels (e.g., 475-year repairable and 2475-year safe egress scenarios), steel fibers in tunnel liners, and liquefaction-resistant measures, which increased complexity in poor soil zones but ensured long-term structural integrity over simpler alternatives.[28] [27] Construction incidents, such as sinkholes from tunneling-induced settlement and a shifted elevated guideway beam, further tested timelines, with four sinkholes requiring remediation to prevent broader ground instability.[29] Vibration and noise mitigation posed ongoing challenges near residential areas, with prediction models assessing impacts on over 1,044 dwellings; construction-phase controls and post-completion 72-hour monitoring at multiple sites informed barriers and rail treatments to comply with thresholds, though operational passby levels occasionally exceeded 90 dBA, prompting targeted dampers.[9] [30] Adapting automated train control for the extension leveraged existing SkyTrain Innovia Metro precedents, achieving driverless reliability through integrated systems engineering, but required precise signaling extensions and power upgrades to avoid disruptions in the branched network configuration.[31] These choices, while extending upfront timelines due to rigorous testing, support sustained high availability rates exceeding 99% observed in prior automated segments, minimizing future maintenance interruptions compared to manually operated systems.[20]Route and Infrastructure
Route Description
The Evergreen Extension comprises a 10.9-kilometre segment of the Millennium Line, commencing at Lougheed Town Centre station in Burnaby and extending northeast to terminate at Lafarge Lake–Douglas station in Coquitlam.[32] [1] The route navigates through the adjacent municipalities of Burnaby, Port Moody, and Coquitlam, linking established urban centres with growing suburban communities in the Tri-Cities area.[18] [33] This path primarily follows pre-existing transportation and utility corridors, such as segments parallel to North Road and Barnet Highway, to reduce environmental disruption and land requirements while connecting residential, commercial, and light industrial districts.[34] The alignment facilitates integration into the SkyTrain network by allowing Millennium Line services from Lafarge Lake–Douglas to continue westward through the existing line to VCC–Clark station, with a loop transfer option to the Expo Line at Commercial–Broadway for access to Vancouver's downtown core and Surrey branches.[35] This configuration enhances regional connectivity without requiring passengers to change lines for cross-network travel.[36]Technical Design and Specifications
The Evergreen Extension employs an automated light metro system based on the Innovia Metro technology, featuring linear induction motors (LIM) for propulsion, which provide precise control and efficient acceleration on grades up to 6%. Trains achieve a maximum operating speed of 80 km/h, with the LIM system using a long-stator synchronous motor configuration powered by a third rail at 750 V DC, enabling regenerative braking and energy recovery.[22][37] The design supports minimum headways of 90 seconds during peak periods, contributing to a theoretical capacity of up to 40,000 passengers per hour per direction when operating two-car trains in coupled sets.[32] The guideway primarily comprises elevated precast concrete segmental superstructures with spans typically 30-40 meters, supplemented by steel-concrete composite girders in curved sections and transition zones for enhanced durability and load distribution. Approximately 6 km of the 10.9 km alignment is elevated, with deep pile foundations to address soft soils; the remaining includes 3 km at-grade adjacent to rail corridors and 2 km of twin-bored tunnel (6.2 m diameter) under urban areas. Track gauge is standard 1,435 mm, with continuous welded rail on resilient fasteners to minimize vibration.[28][38] Seismic resilience is achieved through performance-based design standards tailored to Metro Vancouver's high liquefaction risk, incorporating site-specific ground motion analyses, nonlinear dynamic modeling, and peer-reviewed mitigation measures such as ductile detailing in piers, isolation bearings, and soil-structure interaction assessments to limit post-earthquake functionality downtime to operational levels under design earthquakes (475-year return period). This exceeds National Building Code of Canada requirements by focusing on serviceability and repairability, with special attention to lateral spreading effects along the alignment.[39][40] Integration with the existing Millennium Line creates a unidirectional loop configuration from VCC–Clarke Station to Lafarge Lake–Douglas Station, optimizing train paths for bidirectional service without crossovers at the junction, thereby supporting scalable frequencies through automated train control (ATC) that maintains safe spacing and allows future capacity expansion via additional fleet without infrastructure upgrades.[41]Stations and Accessibility Features
The Evergreen Extension added six stations to the Millennium Line: Burquitlam in northern Burnaby, Moody Centre in Port Moody, Inlet Centre in Port Coquitlam, Coquitlam Central in Coquitlam, Lincoln in Coquitlam, and Lafarge Lake–Douglas in Coquitlam. These stations feature elevated or at-grade designs tailored to local topography, with platform capacities supporting peak-hour demands of up to 20,000 passengers daily across the extension. Park-and-ride lots provide a total of 650 spaces at three stations, including 415 at Coquitlam Central, to facilitate automobile-to-transit transfers.[5] All stations comply with accessibility standards through full elevator access from street to platform levels, enabling use by individuals with mobility devices, alongside tactile warning strips, high-contrast signage, and audible signals for visually impaired users. Bike storage includes secure lockers and racks at multiple locations, such as Burquitlam and Coquitlam Central, promoting cycling integration, while bus exchange bays at key hubs like Moody Centre and Inlet Centre streamline transfers from feeder routes.[42][43] Moody Centre, an upgraded existing station, incorporates expanded infrastructure for interchanges with West Coast Express commuter rail and provisions for potential future SkyTrain infill stations westward, including reserved alignments and structural reinforcements. Similarly, sites east of Inlet Centre allow for additional station insertions without major reconstruction, reflecting forward-planning in station footprints. Lafarge Lake–Douglas, the northern terminus, emphasizes pedestrian-oriented plazas with direct trail connections, while Lincoln Station's compact design prioritizes high-density residential access with minimal surface parking.[44][45]Operations and Performance
Opening and Inauguration
The Evergreen Extension of Vancouver's SkyTrain Millennium Line officially opened to the public on December 2, 2016, following years of construction and testing.[1][46] The inauguration ceremony included a ribbon-cutting led by British Columbia Premier Christy Clark at Coquitlam Central Station, after an inaugural train ride from the new Lafarge Lake–Douglas terminus, attended by local officials and representatives from the Kwikwetlem First Nation.[47][48] Service began at noon, with trains operating every three to five minutes during peak hours on the 10.9-kilometre extension serving six new stations between VCC–Clark and Lafarge Lake–Douglas.[49][50] To facilitate public familiarization, free rides were provided on the extension for the opening day, accompanied by community celebrations featuring live performances and station tours organized by TransLink.[51][50] Preceding the launch, system testing had included train operations starting as early as July 2015 between select stations, building to full revenue service integration without reported major disruptions on launch day. Initial post-opening logistics involved minor adjustments to bus feeder services for seamless transfers, leveraging the line's automated SelTrac control system for operational redundancy.[49][52]Ridership Trends and Usage Data
The Evergreen Extension achieved approximately 30,000 average daily boardings in its first three months of operation ending February 2017, significantly below the pre-construction projection of 50,000 daily riders for the opening year as outlined in the 2012 business case.[53][54] Ridership in the Northeast Sector, encompassing the extension, rose 25% year-over-year in September and October 2017 compared to 2016 levels, reflecting initial uptake from suburb-to-downtown commuters replacing bus services.[55] By 2019, three years post-opening, daily boardings had increased to around 40,000, supported by service integration and regional growth, though still trailing long-term forecasts of 70,000 by 2021.[56] The COVID-19 pandemic caused a sharp decline, with system-wide SkyTrain ridership (including the extension) dropping over 50% from 2019 peaks to 2020-2021 lows, as remote work reduced peak-hour suburb-to-core flows; Evergreen-specific stations saw boardings grow modestly by 1 million annually from 2017 baselines amid partial recovery efforts.[57] Recovery accelerated post-2022, reaching 57% of pre-pandemic levels by late 2021 and aligning with broader TransLink trends of 24% annual growth from 2022 to 2023, driven by population increases and return-to-office mandates, with 2024 estimates for the extension at 45,000-50,000 daily boardings.[58][59] Underperformance relative to projections stems from subdued induced demand—new riders drawn by the line's capacity—limited by persistent reliance on personal vehicles and residual bus options in Tri-Cities suburbs, alongside peak loads rarely exceeding 80% of train capacity during rush hours.[60] Fare revenue from Evergreen usage contributes to SkyTrain's overall recovery ratio of approximately 20-30% of operating costs, reflecting subsidized suburban service economics where trips average shorter distances than core lines.[61]| Year | Average Daily Boardings (Extension-Specific) | Notes |
|---|---|---|
| 2017 | ~30,000 | Initial post-opening figure; below 50,000 projection.[53] |
| 2019 | ~40,000 | Growth from integration; pre-pandemic peak.[56] |
| 2021 | ~25,000-30,000 (est.) | 57% of pre-pandemic amid COVID recovery.[58] |
| 2023-2024 | ~45,000-50,000 (est.) | Post-recovery alignment with system trends.[59] |