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Alberta Highway 93
Alberta Highway 93
Alberta Highway 93
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Highway 93 marker
Highway 93
Banff-Windermere Highway
Icefields Parkway
Map
Icefields Parkway from the north side of Parker Ridge.jpg
Highway 93 as seen from the observation deck on the north side of Parker Ridge
Route information
Maintained by the Ministry of Transportation and Economic Corridors
Length268 km (167 mi)
Existed1940–present
RestrictionsNo commercial vehicles and National Parks pass required along the Icefields Parkway. Snow tires or chains required Nov. 1 to Mar. 31.
Major junctions
South end Highway 93 at B.C. border at Vermilion Pass
Major intersections Highway 1 (TCH) near Lake Louise
Highway 1A near Lake Louise
Highway 11 in Saskatchewan River Crossing
North end Highway 16 (TCH) in Jasper
Location
CountryCanada
ProvinceAlberta
Specialized and rural municipalitiesI.D. No. 9, I.D. No. 12, Jasper
Highway system
← Highway 88→ SPF

Highway 93 is a north–south highway in Alberta, Canada. It is also known as the Banff-Windermere Parkway south of the Trans-Canada Highway (Highway 1) and the Icefields Parkway north of the Trans-Canada Highway. It travels through Banff National Park and Jasper National Park and is maintained by Parks Canada for its entire length.[1] It runs from the British Columbia border at Vermilion Pass in the south, where it becomes British Columbia Highway 93, to its terminus at the junction with the Yellowhead Highway (Highway 16) at Jasper.[2] The route takes its number from U.S. Route 93, which runs uninterrupted south to central Arizona, and was initially designated as '93' in 1959.

Route description

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Banff-Windermere Highway

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Castle Mountain, in Banff National Park, as seen from Highway 93
Main article: Banff-Windermere Highway

The southern portion of the route is part of the Banff-Windermere Highway, a 104-kilometre (65 mi) highway that travels from British Columbia Highway 95 at Radium Hot Springs, through Kootenay National Park and Vermilion Pass across the Continental Divide, to the junction of the Trans-Canada Highway (Highway 1) at Castle Junction.[3] The final 10 km (6.2 mi) of the highway are in Alberta and Banff National Park. Prior to 1959, the highway was designated as Highway 1B.[4]

Trans-Canada Highway

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Highway 93 connects with the Trans-Canada Highway (Highway 1) at Castle Junction, midway between Banff and Lake Louise.[3] Highway 93 follows the Trans-Canada Highway for 28 km (17 mi) northwest, diverging from Highway 1 west of Lake Louise. Highway 1 continues west to Yoho National Park. The Bow Valley Parkway (Highway 1A) also links Lake Louise and Banff. This road parallels Highway 1 and, at the midpoint, passes Castle junction where it links with Highway 93.[3]

Icefields Parkway

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Highway 93 near Saskatchewan Crossing
Looking north at the northern terminus of the Icefields Parkway
Watermelon Peak's southern outlier by Icefields Parkway

The Icefields Parkway (French: Promenade des Glaciers) is a 230-kilometre (140 mi) long scenic road that parallels the Continental Divide, traversing the rugged landscape of the Canadian Rockies, travelling through Banff National Park and Jasper National Park. It is named for features such as the Columbia Icefield, visible from the parkway. It links Lake Louise with Jasper to the north. At its southern end, the Icefields Parkway terminates at Highway 1. Highway 1 west leads to Yoho National Park in British Columbia and Highway 1 east to Lake Louise and the Town of Banff. A second parkway, the Bow Valley Parkway also links Lake Louise and the Town of Banff. Known as Highway 1A, this road parallels Highway 1 and, at the midpoint, passes the Castle Mountain junction where Highway 93 south, or the Banff-Windermere Highway, branches southwest into Kootenay National Park in British Columbia.[3]

Bow Lake

The Icefields Parkway was predated by the Wonder Trail, which opened in 1885 after the Canadian Pacific Railway was completed and brought increased tourist traffic to Banff National Park. It followed the route that geologist Arthur Philemon Coleman took following the Sunwapta river. In 1931, the federal government commissioned the construction of a single-track road between Lake Louise and Jasper in the Great Depression as a relief project. In order to employ as many people as possible, the road was constructed by hand and employed 600 men.[5] The road was completed in 1940; however, the 1950s saw an increase in automobile use and increased traffic along the parkway. In 1961, a reconstructed paved and modern highway was opened,[5] and in 1969, Brewster Sightseeing began to operate snowmobile tours on the Athabasca Glacier, located just beside the highway.[5]

Turnouts by the Parkway aid views

The parkway is busy in July and August with up to 100,000 vehicles a month. The parkway is mainly two lanes with occasional passing lanes. It minimizes grades and hairpin turns. Snow can be expected at any time of year and extreme weather is common in winter.

Peyto Lake

While the Icefields Parkway is not a toll road, which charges for every time a vehicle enters, a Canadian national parks permit is required to travel on the Icefields Parkway and can be purchased for a day or year from park gates near Lake Louise, Jasper and Saskatchewan River Crossing, which function similarly to tollbooths. Commercial trucks are prohibited.[6][7] The speed limit is 90 km/h (55 mph) although the limit is reduced at Saskatchewan River Crossing and the Columbia Icefield area. In winter, chains or winter-rated radial tires are required by law and road closures may occur without warning. There is no cell coverage.[8]

On the Icefields Parkway near Norman Creek Campground (2021).
On the Icefields Parkway near Norman Creek Campground (2021)

Major intersections

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Starting from the south end of Highway 93:

National ParkLocationkmmiDestinationsNotes
Banff​0.00.0 Highway 93 (Banff–Windermere Highway) – Kootenay National Park, Radium Hot SpringsContinental Divide; continuation into British Columbia
51°13′44″N 116°03′02″W / 51.228776°N 116.050600°W / 51.228776; -116.050600 (Vermilion Pass)
Vermilion Pass – 1,680 m (5,510 ft)
10.06.2 Highway 1 (TCH) east – Banff, Calgary
To Highway 1A (Bow Valley Parkway) – Castle Mountain		Hwy 93 branches northwest;
south end of Hwy 1 concurrency
51°15′52″N 115°55′56″W / 51.264565°N 115.932311°W / 51.264565; -115.932311 (TCH 1 east)
North end of Banff–Windermere Highway
32.520.2Crosses the Bow River — 51°24′08″N 116°09′32″W / 51.402339°N 116.159023°W / 51.402339; -116.159023 (Bow River)
Lake Louise35.522.1 Highway 1A east (Bow Valley Parkway) / Lake Louise Drive51°25′34″N 116°10′24″W / 51.426110°N 116.173373°W / 51.426110; -116.173373 (Lake Louise)
​38.223.7 Highway 1 (TCH) west – Yoho National Park, Field, GoldenHwy 93 branches north;
North end of Hwy 1 concurrency
51°26′29″N 116°12′04″W / 51.441419°N 116.201168°W / 51.441419; -116.201168 (TCH 1 west)
Icefields Parkway begins • National Park pass required
38.924.2Park gate51°26′40″N 116°12′33″W / 51.444582°N 116.209127°W / 51.444582; -116.209127 (South Park Gate)
71.044.1Crowfoot Glacier (roadside pullout)51°39′50″N 116°26′23″W / 51.663857°N 116.439681°W / 51.663857; -116.439681 (Crowfoot Glacier)
73.545.7unnamed road – Bow Lake51°40′56″N 116°27′43″W / 51.682351°N 116.461960°W / 51.682351; -116.461960 (Bow Lake)
78.448.7Bow Summit – 2,069 m (6,788 ft)
unnamed road – Peyto Lake51°43′12″N 116°29′41″W / 51.719901°N 116.494699°W / 51.719901; -116.494699 (Bow Summit)
108.867.6Mistaya Canyon (roadside pullout)51°56′28″N 116°43′02″W / 51.941084°N 116.717254°W / 51.941084; -116.717254 (Mistaya Canyon)
112.469.8Crosses the North Saskatchewan River — 51°58′14″N 116°43′13″W / 51.970431°N 116.720373°W / 51.970431; -116.720373 (N Sask River)
Saskatchewan
River Crossing		114.070.8 Highway 11 east – Rocky Mountain House, Red Deer51°58′24″N 116°44′35″W / 51.973260°N 116.742946°W / 51.973260; -116.742946 (Hwy 11)
​149.693.0Parker Ridge (roadside pullout)52°10′37″N 117°03′22″W / 52.177048°N 117.055986°W / 52.177048; -117.055986 (Parker Ridge)
Banff–Jasper line​159.198.9Sunwapta Pass – 2,030 m (6,660 ft) — 52°12′50″N 117°09′49″W / 52.213759°N 117.163609°W / 52.213759; -117.163609 (Sunwapta Pass)
JasperColumbia Icefield163.5101.6Icefields Centre, Athabasca Glacier52°13′11″N 117°13′29″W / 52.219679°N 117.224859°W / 52.219679; -117.224859 (Columbia Icefield)
​211.9131.7unnamed road – Sunwapta Falls52°32′13″N 117°38′28″W / 52.537049°N 117.641038°W / 52.537049; -117.641038 (Sunwapta Falls)
235.3146.2 Highway 93A north – Athabasca Falls52°40′08″N 117°52′54″W / 52.668965°N 117.881529°W / 52.668965; -117.881529 (Athabasca Falls)
257.9160.3Crosses the Athabasca River — 52°48′43″N 118°02′28″W / 52.811830°N 118.041064°W / 52.811830; -118.041064 (Athabasca River)
258.7160.7 Highway 93A south – Marmot Basin52°48′51″N 118°03′02″W / 52.814144°N 118.050557°W / 52.814144; -118.050557 (Hwy 93A)
259.2161.1Park gate52°49′07″N 118°03′10″W / 52.818584°N 118.052744°W / 52.818584; -118.052744 (North Park Gate)
263.6163.8Whistlers Road – Jasper Skytram52°51′16″N 118°04′41″W / 52.854548°N 118.077977°W / 52.854548; -118.077977 (Whistlers Rd)
264.0164.0 Highway 93A north – Jasper52°51′30″N 118°04′46″W / 52.858376°N 118.079377°W / 52.858376; -118.079377 (Hwy 93A)
264.7164.5Crosses the Miette River — 52°51′45″N 118°05′11″W / 52.862593°N 118.086487°W / 52.862593; -118.086487 (Miette River)
Jasper265.4164.9Icefields Parkway ends
Highway 16 (TCH/YH) – Prince George, Kamloops, Edmonton
Connaught Drive – Jasper		Hwy 93 northern terminus
52°52′00″N 118°05′36″W / 52.866548°N 118.093284°W / 52.866548; -118.093284 (TCH 16)
1.000 mi = 1.609 km; 1.000 km = 0.621 mi
Map all coordinates using OpenStreetMap
  • Download coordinates as KML

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360° panorama of Mount Amery and the Alexandra River in the Icefields Parkway of Jasper and Banff national parks. Low clouds drift along as the morning sun rises over Mount Wilson.

Highway 93A

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Highway 93A
LocationJasper National Park
Southern section
Length24 km (15 mi)
South end Highway 93 near Athabasca Falls
North end Highway 93 near Marmot Basin
Northern section
Length1.7 km (1.1 mi)
South end Highway 93 near Jasper
North end Highway 16 (TCH) near Jasper

Just south of Jasper, a short spur of the parkway branches off as Highway 93A, providing access to businesses on the south side of Jasper and providing an alternative route into the community via Hazel Avenue. Another Highway 93A spur farther south is 24 km (15 mi) long, is along Highway 93 and provides alternative access to viewpoints and other attractions within Jasper National Park.

Highway 93A south of Jasper is narrow and the pavement uneven, with an average limit of 60 km/h (37 mph). Brush grows up to the side of the highway so animals can be difficult to see. Old Fort Point Road branches east of Highway 93A and quickly leads to Old Fort Point Bridge, where vehicles can cross the Athabasca River.[9]

See also

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References

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[edit]
Revisions and contributorsEdit on WikipediaRead on Wikipedia

Alberta Highway 93

View on Grokipedia
from Grokipedia
Alberta Highway 93 is a scenic north–south provincial highway in , , celebrated for its passage through the Canadian Rockies and two national parks, offering travelers unparalleled views of glaciers, lakes, canyons, and wildlife. The highway consists of two distinct segments: the short southern portion, known as the Banff– Parkway or Highway 93S, which spans about 11 km from the Alberta– border near Radium Hot Springs to Castle Junction on the (Highway 1), and the prominent northern portion, the Icefields Parkway or Highway 93N, a 232 km route linking Lake Louise to . The southern segment traverses rugged terrain in the eastern foothills of the Rockies, crossing the Continental Divide and providing entry to in , with highlights including the narrow Sinclair Canyon and paint pots, natural mineral springs used historically by . This section, completed in the early as part of a transcontinental initiative, serves as a vital link between and 's highway systems. In contrast, the northern Icefields Parkway is a world-renowned double-lane road that winds along the Continental Divide, showcasing the —the largest icefield in the Rockies outside the polar regions—and feeding eight major glaciers, including the accessible . Key attractions along this stretch include , Bow Lake, the Weeping Wall, Sunwapta and , and numerous wildlife viewing opportunities for species such as grizzly bears, , and . Constructed between 1931 and 1940 primarily by relief workers during the , it connects Banff and National Parks and attracts over 1.5 million visitors annually, primarily in summer when services like interpretive centers and shuttle tours operate. Highway 93 is jointly maintained by Ministry of Transportation and within boundaries, with winter conditions often requiring snow tires or chains due to heavy snowfall and risks. Travel requires a valid Parks Canada pass, and the route emphasizes , with guidelines to protect fragile ecosystems through speed limits, wildlife corridors, and restrictions on off-road activities.

Overview

Route summary

Alberta Highway 93 spans a total length of 268 km (167 mi), extending from the border at Pass in the south to its northern terminus at Highway 16 in . The route maintains a predominantly north-south orientation as it traverses and , including a 28 km concurrency with the (Highway 1). The entire highway is maintained by , and travel requires a valid national parks pass. The highway is divided into three main segments: the short southern segment, the Banff– Parkway, covering approximately 11 km (7 mi) from the border to Castle Junction south of Highway 1; the section from to Lake Louise, which follows Highway 1; and the , spanning 232 km north of Highway 1. Highway 93 begins at the border at Vermilion Pass, entering , where it follows the Bow Valley, concurs with the , and then proceeds north through the to .

Significance and regulations

The Icefields Parkway (the northern segment of Alberta Highway 93) is designated as one of the world's most scenic drives, renowned for its stunning vistas of glaciers, turquoise lakes, and diverse that draw enthusiasts from around the globe. More than 1.2 million visitors travel this route annually, contributing significantly to tourism in the Canadian Rockies by providing access to pristine natural landscapes that highlight the region's geological and ecological wonders. The highway traverses the Canadian Rocky Mountain Parks, a encompassing Banff and National Parks, which together showcase exceptional , including bears, , and over 280 bird species, alongside dramatic mountain formations shaped by ancient glacial activity. In 2024, the led to temporary closures of the northern portion, but the highway has since fully reopened as of late 2024. The Icefields Parkway is maintained by , which enforces strict operational regulations to preserve its environmental integrity and ensure visitor safety. A valid national parks pass is required for all travelers, and commercial vehicles exceeding 4,550 kg gross vehicle weight are prohibited on the route between Lake Louise and to minimize traffic congestion and ecological disruption. The posted is 90 km/h on major sections, with reductions in areas prone to wildlife crossings or hazardous to prevent collisions and promote cautious driving. Additionally, from November 1 to April 1, snow tires or chains are mandatory due to frequent winter conditions, including heavy snowfall and icy roads. Environmental protections along the highway emphasize and hazard mitigation, with designated corridors including underpasses and overpasses facilitating safe across the roadway and reducing vehicle-wildlife conflicts through strategic and structures. Seasonal closures and operations, involving targeted explosives to trigger controlled slides, are routinely implemented along the 38 known paths to protect the road and surrounding ecosystems, particularly in winter when risks peak. These measures underscore the parkway's role as a vital conduit through the , balancing public access with the preservation of this fragile alpine environment.

Route description

Banff–Windermere Parkway

The Banff–Windermere Parkway comprises the southern segment of Alberta Highway 93, an 11 km two-lane scenic route extending from the British Columbia border at Vermilion Pass to Castle Junction, where it intersects the Trans-Canada Highway. This section lies entirely within Banff National Park, serving as a key entry point from British Columbia while highlighting the dramatic landscapes of the southern Canadian Rockies. Completed in 1923 as part of the agreement establishing Kootenay National Park, the parkway derives its name from its original purpose of connecting Banff, Alberta, to the Windermere area in British Columbia, facilitating early tourism and trade across the region. Starting at Vermilion Pass on the – border at an elevation of 1,640 m, the route descends northward, crossing the Continental Divide and following the Vermilion River through . It winds through alpine terrain with gentle grades, offering views of the Mitchell and Vermilion ranges. The highway passes viewpoints such as Vista Lake, featuring subalpine meadows and forested slopes. Environmentally, the parkway traverses dense coniferous forests dominated by lodgepole pine and Engelmann spruce, interspersed with riparian zones along the river and habitats for wildlife including elk, deer, and grizzly bears, characteristic of the montane . As it approaches Castle Junction near , it provides expansive views of the rugged Vermilion Range. measures ensure seasonal accessibility, including mandatory snow tires or chains from October to April.

Castle Mountain to Lake Louise

The southern segment of Alberta Highway 93 terminates at Castle Junction. The northern segment begins approximately 27 km northwest at the junction with the (Highway 1) near Lake Louise Village. Travelers connect the two segments by driving along Highway 1 through the Bow Valley floor in . This 28 km stretch parallels the , traversing relatively flat valley terrain compared to adjacent sections. The route ascends gently from an elevation of approximately 1,400 m at Castle Junction to 1,550 m near Lake Louise Village, with minimal elevation changes that facilitate smoother travel for vehicles. The landscape features expansive aspen forests and open meadows framed by dramatic Rocky Mountain backdrops, offering glimpses of wildlife habitats in the montane ecoregion. A parallel scenic alternative, the Bow Valley Parkway (Highway 1A), provides a slower, winding option for travelers seeking enhanced views along the same valley corridor. This corridor channels tourist traffic northward toward the Icefields Parkway, especially during peak seasons when visitors flock to Lake Louise Village. Its position within underscores its role in connecting diverse ecosystems, from lower valley to higher alpine zones.

Icefields Parkway

The Icefields Parkway segment of Alberta Highway 93 comprises the northern 230-kilometre stretch from Lake Louise to , renowned for its scenic traverse through the Canadian Rockies' alpine landscapes. This portion begins at the junction with the (Highway 1) near Lake Louise in , ascending northward along the valley before following the through rugged subalpine terrain. The route reaches its highest point at Bow Summit, elevation 2,088 metres, offering panoramic views of the surrounding peaks and glaciers. As the highway progresses, it passes notable natural features including the vibrant turquoise , accessible via a short viewpoint , and the historic Crossing, a key established in the early 20th century for travellers. Further north, the road approaches the , a vast 325-square-kilometre expanse of ice that feeds multiple rivers; here, the extends prominently from the icefield, allowing visitors to observe its retreat due to at interpretive centres. This section highlights the parkway's role in showcasing glaciated landscapes, with the icefield marking a where flows to both the Pacific and Arctic Oceans. Crossing into near Sunwapta Pass at 2,053 metres, the parkway shifts to follow the downstream, winding through forested valleys and past waterfalls like , where the river cascades over resistant layers. The route culminates at the townsite of , intersecting Highway 16. Throughout this segment, drivers encounter steep grades reaching up to 6% in elevation changes, particularly around passes and river confluences, compounded by over 50 active paths that necessitate seasonal closures and mitigation efforts by . Services remain sparse, limited to a handful of lodges, gas stations, and emergency pullouts, underscoring the remote, high-elevation subalpine environment that demands cautious travel, especially in winter when snow tires are mandatory.

Services and features

Major intersections

Alberta Highway 93 begins at its southern terminus at Vermilion Pass, where it intersects with Highway 93, serving as a provincial crossing between the two provinces along the Continental Divide. This at-grade junction facilitates cross-border travel through Kootenay and Banff National Parks, channeling traffic northward into while managing seasonal influxes from international visitors. Proceeding north, the highway reaches Castle Junction, an at-grade intersection with Highway 1A (Bow Valley Parkway), which provides local access within . Here, Highway 93 begins a concurrency with the (Highway 1), merging traffic flows and directing vehicles toward Lake Louise, thereby enhancing connectivity for east-west transcontinental routes while distributing park-bound traffic. The concurrency with Highway 1 ends at Lake Louise, where Highway 93 diverges northward as the Icefields Parkway in an at-grade junction that also offers direct access to Lake Louise Village via local roads. This split influences traffic by separating through-traffic heading to from visitors exploring the lake area, optimizing flow during high-volume periods. Midway along the Icefields Parkway section, marks a key at-grade intersection with Highway 11 (David Thompson Highway), enabling east-west access to and beyond. This junction supports regional connectivity, allowing travelers to bypass the full north-south route and alleviating congestion on the main parkway during peak seasons. Near its northern extent, Highway 93 includes a connecting to Highway 93A at an at-grade junction just south of , approximately 30 km south of . This branch diverts traffic to scenic side routes in , reducing mainline volumes near popular attractions. The highway terminates at an at-grade intersection with Highway 16 () in , integrating north-south park traffic into the east-west transcontinental corridor. All major intersections along Highway 93 are at-grade, with no interchanges to preserve the natural park setting and minimize environmental impact. Traffic volumes peak seasonally in summer, reaching up to 100,000 vehicles per month, which influences flow management at these junctions through signage and pullouts.

Points of interest

The short southern portion of Alberta Highway 93 enters immediately after the provincial border, offering initial views of the Bow Valley and opportunities for wildlife observation in the rugged terrain leading to Castle Junction. At Castle Junction, the Castle Mountain viewpoint delivers sweeping vistas of the distinctive layered peak and surrounding valleys, serving as a prime spot for photography and short walks amid the Rockies' rugged terrain. Moving centrally along the Icefields Parkway segment, Lake Louise enchants with its emerald waters reflecting Victoria Glacier and the encircling peaks, where visitors partake in canoe rentals, shoreline strolls, or teahouse hikes for a quintessential alpine experience. Access to Moraine Lake branches from the Lake Louise area via shuttle, revealing the iconic Valley of the Ten Peaks and its silt-laden turquoise expanse, ideal for contemplative views or gentle paths along the shore. The Peyto Lake overlook, at Bow Summit, offers a cantilevered platform with panoramic sights of the wolf- or fox-shaped glacial lake and Wapta Icefield, providing a brief yet mesmerizing stop to appreciate the park's hydrology. Bow Lake, further north, presents serene turquoise waters as the Bow River's source, with picnic areas and fishing opportunities framed by Crowfoot Glacier and the icefield's dramatic backdrop. In the northern reaches, the Discovery Centre acts as an educational gateway to the 200 km² icefield, featuring exhibits on glacial retreat and impacts that enhance understanding of this hydrological divide. tours, departing from the centre, enable guided ice walks across the 6 km-long tongue, where participants witness crevasses, moulins, and the thrill of traversing ancient ice under expert supervision. roars with water plunging 18 m from hanging valleys into a foaming gorge, reachable by short, accessible paths that immerse visitors in the raw power of glacial melt. thunders as the river cascades 23 m into a narrow , with elevated platforms ensuring safe observation of the swirling turquoise waters and undercut walls. Near Jasper, nearby roads from the highway's northern terminus provide access to Maligne Lake, North America's largest glacier-fed body of water, where boat cruises, canoeing, and trails around Spirit Island offer serene encounters with reflective peaks and forested shores. The Medicine Lake area stands out for wildlife viewing, as its seasonal vanishing act—due to underground drainage—draws , birds, and other species to the shallow basin, creating dynamic opportunities for observation in a landscape. Visitor facilities remain sparse across the 230 km route, with gas stations limited to Lake Louise village, the seasonal station at the Discovery Centre, and Jasper town, necessitating full tanks before long stretches; a valid pass is required for access. Interpretive centers like the one at the focus on through glacier models and via wildlife displays, fostering deeper appreciation of the ' interconnected ecosystems.

History

Construction and early development

The concept for Alberta Highway 93 originated in the early as part of efforts to enhance connectivity within the Canadian Rockies national parks, with the southern Banff–Windermere Parkway section proposed in 1910 by Robert Randolph Bruce to link in with in for commercial and tourist purposes. Surveys for this route began in 1911, led by engineers H.J. Haffner and J.W. Wurtele, and initial construction started in 1912 from the Windermere end, funded partly by the Canadian Pacific Railway and the British Columbia government. By 1914, the federal government had completed about 48 km from Banff to Vermilion Pass, though progress was delayed by and floods that damaged sections like Sinclair Creek. Reconstruction resumed in 1920 under a 1919 agreement between British Columbia and , which designated a 16 km-wide strip along the route for national park purposes, and the full Banff–Windermere section was completed in 1922 before its official opening on June 23, 1923, at Kootenay Crossing, marking the first motor road across the Rockies. The northern portion, now known as the Icefields Parkway, was conceived in the late 1920s to extend connectivity northward from Banff to by upgrading the historic "Wonder Trail" into a modern road accessible to motorists. Construction began in September 1931 as a Great Depression-era relief project organized by the , employing 600 unemployed men who worked with primarily hand tools including picks and shovels, supplemented by horses and just one tractor per crew. Over the next decade, crews faced significant challenges from the rugged terrain, including steep slopes, glacial approaches, and harsh weather, necessitating route adjustments by surveyors to minimize earthwork through strategic bends and turns rather than straight alignments. Avalanches and unstable ice fields added to the hazards, particularly near the , where workers navigated precarious conditions to build wooden bridges and culverts. The project progressed from both ends, with the southern Banff–Windermere link providing an existing foundation, and partial sections like the northern Icefields connection becoming drivable by 1938 before full completion in late 1939. The entire route, initially named the Banff–Jasper Highway, was officially opened to the public on July 1, 1940, as a single-lane spanning approximately 230 km, featuring basic wooden bridges and minimal grading suitable for early automobiles. In its early years, the highway saw limited traffic due to restrictions on fuel and travel, serving mainly for park management, access to remote areas by rangers and explorers, and military training by allied forces, such as the American 87th Mountain Infantry Regiment on the . Usage remained modest for tourists and locals until the post-war period, when lifting of wartime constraints sparked a boom that dramatically increased visitation and underscored the route's role in promoting the parks' natural wonders. The highway was later designated as Alberta Highway 93 in 1959.

Designation and modern improvements

Alberta Highway 93 was designated as part of Alberta's provincial highway system in 1959, numbered to align with Highway 93 and , establishing a continuous north-south corridor across western . The northern segment, from the junction at Lake Louise to , was officially named the Icefields Parkway upon its completion as a paved road in 1961, following earlier construction that opened the gravel route in 1940. This paving and realignment enhanced accessibility for growing , transforming the highway from a rudimentary trail into a modern scenic drive. In the decades following paving, the highway underwent targeted upgrades to support increased visitor traffic and environmental challenges. During the 2010s and into the 2020s, initiated several bridge replacement projects over glacial rivers, including the Nigel Creek Bridge south of the , completed in 2024 to ensure structural integrity amid shifting ice and water flows. These efforts are part of broader federal investments totaling over $70 million across Banff, , Yoho, and Kootenay national parks for , such as road stabilization and retaining walls. In July 2024, the led to the temporary closure of the Icefields Parkway due to fire activity in . The highway reopened to through traffic in late August 2024, initially with no stopping allowed at viewpoints, and fully to all traffic including stops by September 2024. Recovery efforts included enhanced fire mitigation measures and monitoring for post-fire hazards. Maintenance practices emphasize safety in the harsh alpine environment, with annual winter closures for operations conducted between 7 a.m. and 3:30 p.m. to clear the route through avalanche-prone areas. Recent enhancements include updated signage to reduce vehicle-animal collisions, reflecting Parks Canada's focus on sustainable operations amid climate pressures like thaw. The highway remains fully paved as of November 2025, with real-time conditions monitored via Alberta's 511 service.

Highway 93A

Highway 93A serves as an alternate route branching from Highway 93 near in , providing a parallel path to the main Icefields Parkway along the valley. This highway follows the original alignment of the early 20th-century Banff-Jasper route and spans a total length of approximately 25.7 km, consisting of a southern section of about 24 km from the junction with Highway 93 near —passing access to Marmot Basin Ski Area via Marmot Road—to a junction near , and a short northern section of 1.7 km linking to Highway 16 near the Jasper townsite. The route offers quieter access to the townsite and nearby ski areas like Marmot Basin, attracting travelers seeking a less congested alternative to the primary Highway 93. Notable side trips include Cavell Road, which branches off to reach the Mount Edith Cavell viewpoint and trailhead. Characterized by lower traffic volumes, it winds through scenic terrain featuring cascading waterfalls, dense coniferous forests, and panoramic views of the surrounding mountains and river. Commonly used for local traffic and as a during closures or maintenance on the main , Highway 93A enhances accessibility within the park while preserving a more intimate driving experience. Historically, Highway 93A traces the path of the original Banff- alignment constructed in the 1920s as the first automobile route connecting Banff and National Parks, facilitating early vehicular travel through the region. The road was built primarily through manual labor and later realigned in the 1930s as part of Great Depression-era relief projects, with significant portions completed by unemployed workers. Following the opening of the Icefields Parkway in 1940, the original route became a secondary road and was later designated as Highway 93A as part of Alberta's highway numbering in the late , retaining its role as a vital link while the new parkway became the primary corridor.

Connections to provincial and international highways

Alberta Highway 93 integrates into the provincial road network primarily through key junctions that enable east-west traversal across the Rocky Mountains. It connects to the Trans-Canada Highway (Highway 1) at Lake Louise in the south, providing access to Banff and further east toward Calgary, while its northern terminus links to Highway 16 (the Yellowhead Highway) in Jasper, facilitating travel to Edmonton and points west into British Columbia. Additionally, the route intersects Highway 11 (David Thompson Highway) at Saskatchewan River Crossing, offering a corridor to the eastern foothills and communities like Nordegg, and ties into Highway 1A near Castle Junction, an alternate scenic path parallel to Highway 1 through Banff National Park. These connections collectively support regional mobility and tourism by bridging isolated mountain areas with broader provincial infrastructure. Internationally, Highway 93 extends southward beyond 's borders as part of a continuous north-south corridor. In , it becomes Highway 93, traversing for approximately 93 km northeast from Radium Hot Springs to the boundary at Vermilion Pass, where it seamlessly continues as 's segment. Further south, BC Highway 93 reaches the Canada-U.S. border at Roosville, connecting directly to in , which extends through , , and to the U.S.- border near Nogales, forming a roughly 3,000-mile (4,800 km) transboundary route from to . This alignment underscores Highway 93's strategic role in North American travel networks, particularly as a vital tourism artery known as the Border-to-Border or , drawing visitors to iconic Rocky Mountain landscapes and beyond. It ties into Canada's system via its Highway 1 junction but lacks direct links to major urban centers like , requiring a transfer onto Highway 1 for such access. Cross-border formalities are minimal at the internal BC-Alberta line, with no checks required within , while the Roosville crossing involves full U.S. inspections for international travelers.

References

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