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Vermont Route 100
Vermont Route 100
Vermont Route 100
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Vermont Route 100 marker
Vermont Route 100
43rd Infantry Division Memorial Highway
Map
Map of Vermont with VT 100 highlighted in red
Route information
Maintained by VTrans
Length216.666 mi[1] (348.690 km)
Major junctions
South end Route 8 at the Massachusetts state line
Major intersections
North end VT 105 in Newport
Location
CountryUnited States
StateVermont
CountiesBennington, Windham, Windsor, Rutland, Addison, Washington, Lamoille, Orleans
Highway system
← I-93→ VT 101

Vermont Route 100 (VT 100) is a north–south state highway in Vermont in the United States. Running through the center of the state, it travels nearly the entire length of Vermont and is 216.666 miles (349 km) long. VT 100 is the state's longest numbered highway of any type.

Route description

[edit]
VT 100 southbound approaching VT 9 in Wilmington

The southern terminus of the route is at the Massachusetts state line in Stamford, where it continues south as Route 8. Its northern terminus is at VT 105 in the town of Newport, which lies on the Canadian border. VT 100 passes along the eastern edge of the Green Mountain National Forest for much of its length and also passes through the Mad River Valley. It runs parallel to, and lies between, U.S. Route 7 (US 7) to the west and US 5 to the east.

Approaching VT 100B on VT 100 in Moretown

The road is the main thoroughfare for some of Vermont's most well-known resort towns, including Wilmington, Ludlow, Killington, Warren, and Stowe. As such, many of Vermont's ski resorts are located either directly on, or in proximity to, VT 100; these include Okemo Mountain Resort, Mount Snow, Killington, Sugarbush, Mad River Glen, Stowe Mountain Resort and Jay Peak.

VT 100 is a popular tourist route during the fall (for foliage) and winter (for skiing), and can be heavily trafficked during those seasons. Despite this, the road retains a rural feel through most of the towns it traverses and is relatively free of development, except for some of the areas around the ski resorts. The most populous town through which VT 100 passes is Morristown, with a population of just over 5,400.

Several of the most heavily traveled sections of VT 100 (such as the section between Waterbury and Stowe and Warren to Waitsfield) were in very poor condition due to state and local road maintenance budget shortfalls, recent harsh winters and heavy damage by Tropical Storm Irene in 2011; since that storm, the state has undertaken the reconstruction of many segments of the road.

Major intersections

[edit]
CountyLocationmi[1]kmDestinationsNotes
BenningtonStamford0.0000.000
 Route 8 south – North Adams

 VT 8 begins		Continuation into Massachusetts; southern terminus of VT 8
Readsboro7.94512.786
 VT 8 north – Searsburg		Northern end of VT 8 concurrency
WindhamJacksonville21.42834.485

 VT 112 south to VT 8A – Greenfield MA		Northern terminus of VT 112
Wilmington26.98943.435
 VT 9 east – Marlboro, Brattleboro		Southern end of VT 9 concurrency
28.05945.157
 VT 9 west – Searsburg, Bennington		Northern end of VT 9 concurrency
Jamaica50.74281.661
 VT 30 south – Townshend, Brattleboro		Southern end of VT 30 concurrency
58.87894.755
 VT 30 north – Bondville, Manchester		Northern end of VT 30 concurrency
Londonderry65.655105.661
 VT 11 west – Bromley Mountain Ski Area, Manchester		Southern end of VT 11 concurrency
66.069106.328
 VT 11 east – Chester, Springfield		Northern end of VT 11 concurrency
WindsorWeston74.455119.824
 VT 155 north – East Wallingford		Southern terminus of VT 155
Village of Ludlow81.548131.239
 VT 103 south – Chester		Southern end of VT 103 concurrency
Town of Ludlow83.382134.190
 VT 103 north – East Wallingford, Rutland		Northern end of VT 103 concurrency
Plymouth92.112148.240
 VT 100A north – Plymouth, Bridgewater Corners		Southern terminus of VT 100A
Bridgewater97.505156.919
 US 4 east – Woodstock, White River Junction		Southern end of US 4 concurrency
RutlandKillington103.942167.278
 US 4 west – Pico Ski Area, Rutland		Northern end of US 4 concurrency
WindsorStockbridge114.655184.519
 VT 107 east – Bethel		Western terminus of VT 107
Rochester122.354196.910
 VT 73 west – Goshen, Brandon		Eastern terminus of VT 73
AddisonHancock127.432205.082
 VT 125 west – Ripton, East Middlebury		Eastern terminus of VT 125
WashingtonWaitsfield147.370237.169
 VT 17 west – Mount Ellen Ski Area, Mad River Glen Ski Area		Eastern terminus of VT 17
Moretown152.821245.942


 VT 100B north to I-89 south – Moretown, Middlesex		Southern terminus of VT 100B
159.827257.217
 US 2 east – Middlesex, Montpelier		Southern end of US 2 concurrency
Waterbury161.142259.333
 US 2 west – Bolton, Richmond		Northern end of US 2 concurrency
161.299–
161.660		259.586–
260.167		 I-89 – Middlesex, Montpelier, Richmond, BurlingtonExit 10 on I-89
LamoilleStowe171.212275.539
 VT 108 north – Jeffersonville, Stowe Ski Area		Southern terminus of VT 108
Morrisville180.063289.783

 VT 15A east to VT 12 – Lake Elmore, Montpelier, Hardwick		Western terminus of VT 15A
Morristown181.305291.782
 VT 15 east – Wolcott, Hardwick		Roundabout; southern end of VT 15 concurrency
Village of Hyde Park183.236294.890
 VT 15 west – Johnson, Jeffersonville		Roundabout; northern end of VT 15 concurrency
Town of Hyde Park188.374303.159
 VT 100C south – East Johnson		Northern terminus of VT 100C
Eden192.652310.043
 VT 118 north – Belvidere Corners, Montgomery Center		Southern terminus of VT 118
OrleansLowell201.826324.807

 VT 58 west / VT 58 east – Montgomery Center, Irasburg
Troy209.797337.636
 VT 101 north – Jay, North Troy		Southern terminus of VT 101
Town of Newport215.828347.341

 VT 14 south to US 5 – Coventry, Hardwick		Northern terminus of VT 14
216.666348.690 VT 105 – Newport, Derby Center, Newport Center, North TroyNorthern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Suffixed routes

[edit]

VT 100A

[edit]
Vermont Route 100A marker
Vermont Route 100A
LocationPlymouth–Bridgewater
Length6.971 mi[1] (11.219 km)

Vermont Route 100A (VT 100A) is a short auxiliary route of VT 100 in Bridgewater. It is about seven miles (11 km) long and connects VT 100 to U.S. Route 4. The route generally runs in a northeast–southwest direction.

VT 100B

[edit]
Vermont Route 100B marker
Vermont Route 100B
LocationMoretown–Middlesex
Length7.922 mi[1] (12.749 km)

Vermont Route 100B (VT 100B) is a spur route that branches off of VT 100 in Moretown. The designation is about eight miles (13 km) long. The route, which runs in a northeast–southwest direction, connects VT 100 to U.S. Route 2 in Middlesex.

VT 100C

[edit]
Vermont Route 100C marker
Vermont Route 100C
LocationJohnson–Hyde Park
Length4.595 mi[1] (7.395 km)

Vermont Route 100C (VT 100C) is a spur route of VT 100 that begins in Hyde Park and runs southwest to an intersection with VT 15 in Johnson. It is about 4.6 miles (7.4 km) long.

References

[edit]
[edit]
Revisions and contributorsEdit on WikipediaRead on Wikipedia

Vermont Route 100

View on Grokipedia
from Grokipedia
Vermont Route 100 (VT 100) is a north–south in the U.S. state of , serving as the longest numbered highway in the state at 216.59 miles (348.69 km). It begins at the state line in the town of Stamford and extends northward through the center of , paralleling the , before terminating at an intersection with VT 105 in Newport, approximately five miles south of the . Established in 1931 as part of Vermont's inaugural system, which encompassed about 1,000 miles of roads, VT 100 originated from pre-existing local paths dating back to the 1700s and evolved into a paved thoroughfare by the mid-20th century, with sections like the Green Mountain Byway converted from old rail beds in 1932. The route traverses diverse terrain across eight counties—Bennington, Windham, Windsor, , Addison, Washington, Lamoille, and Orleans—passing through picturesque rural landscapes, rolling farmlands, and forested areas that highlight 's natural beauty. Notable for its scenic vistas, especially during fall foliage season, VT 100 is often called Vermont's and the Skier's Highway due to its role as the primary access road to world-renowned ski resorts and villages such as Wilmington, , Londonderry, , Killington, Warren, Waitsfield, Waterbury, Stowe, and Morrisville. Several segments, including the Mad River Valley Byway and Green Mountain Byway, hold official Vermont scenic byway designations, emphasizing the road's cultural, historical, and recreational significance while supporting local economies through , , and outdoor activities like along the adjacent .

Overview

Route Summary

Vermont Route 100 is a major north-south that forms a through , connecting the southern border with to the northern part of the state near the Canadian border. The route's southern terminus is at the intersection with Massachusetts Route 8 along the state line in Stamford, . Its northern endpoint lies at the junction with Route 105 in Newport. Stretching 216.59 miles (348.69 km), it ranks as 's longest . The highway traces a predominantly north-south path along the spine of Vermont, traversing eight counties: Bennington, Windham, Windsor, Rutland, Addison, Washington, Lamoille, and Orleans. It closely follows the eastern flank of the Green Mountains, providing access to rural communities, farmlands, and forested areas while avoiding major urban centers. This alignment positions Route 100 as a parallel corridor to U.S. Route 7 on the west and U.S. Route 5 on the east, serving as an alternative for through traffic. Maintained by the Vermont Agency of Transportation (VTrans), Route 100 supports both local travel and tourism, with its scenic qualities enhancing Vermont's appeal as a destination for outdoor recreation.

Significance

Vermont Route 100 serves as a vital artery through the state's central rural regions, earning the nicknames "Vermont's Main Street" and "The Skier’s Highway" for its role in connecting communities and providing primary access to numerous ski resorts along the eastern flank of the Green Mountains. This designation underscores its function beyond basic transportation, as it threads through the heart of Vermont's rural landscape, linking small towns and fostering a sense of continuity across the state. The route significantly bolsters Vermont's economy by facilitating in key resort areas such as Wilmington, , Killington, Warren, and Stowe, where it drives visitor spending on lodging, dining, and outdoor activities. It also enhances access to the , supporting recreational pursuits like and that contribute to the state's $4 billion annual industry. By channeling traffic to these destinations, Route 100 helps sustain local businesses and seasonal employment in an economy where outdoor recreation accounts for 4.8% of the . Culturally, the highway holds iconic status as the Vermont Scenic Route 100 Byway, the 146-mile designated state scenic byway for its embodiment of 's rural character, historic villages, and natural beauty. This recognition highlights its preservation of the state's agricultural heritage and community vibrancy, making it a symbol of 's quintessential charm. Route 100 draws travelers year-round for its scenic allure, particularly popular for fall foliage viewing along its winding path, at nearby resorts, and leisurely drives that showcase Vermont's landscapes, attracting visitors from neighboring states and . Its appeal lies in offering immersive experiences of the state's seasonal changes and outdoor heritage, reinforcing its position as a premier destination for regional .

Route Description

Southern Section

Vermont Route 100 enters the state from at the southern border in the town of Stamford, immediately traversing the hilly terrain of the southern in Bennington County. This initial stretch winds through dense forests and rural landscapes, characteristic of the National Forest's southern reaches, providing early access to Vermont's forested valleys and small communities. As the route progresses northward into Windham County, it passes through the historic village of Wilmington, a quintessential featuring white-steepled churches and brick architecture listed on the . Nearby, the road approaches the ski area in West Dover, one of southern Vermont's premier winter resorts with over 600 skiable acres and a base elevation around 1,500 feet, highlighting the region's early development as a destination for . The surrounding area blends forested hills with resort infrastructure, offering a mix of seasonal attractions amid the rolling terrain. Further north, in the vicinity of , Vermont Route 100 winds through forested valleys and crosses the West River, serving as the gateway to Jamaica State Park, a 772-acre preserve established in 1969 that features riverfront trails, the Salmon Hole swimming area, and access to Hamilton Falls via an approximately 6-mile round-trip hike from the park entrance. The park's location along a bend in the West River underscores the route's path through scenic, water-influenced landscapes in Windham County. Continuing into Windsor County, the road meanders past Plymouth Notch, home to the President State Historic Site, which preserves the 30th U.S. president's birthplace, childhood home, and the surrounding 19th-century village structures. The southern section culminates near Ludlow and approaches U.S. Route 4 in the Bridgewater area, spanning roughly 70 miles of rural, winding roadway through Bennington, Windham, and Windsor counties. This segment features a blend of dense forests, small villages like Wardsboro and Weston, and early resort developments near , with the route experiencing elevation changes that accentuate its passage through the southern , including climbs approaching 2,000 feet in hilly sections.

Central Section

The central section of Vermont Route 100 spans approximately 80 miles through , Addison, and Washington counties, traversing a mix of rural valleys and increasingly rugged mountainous terrain that defines central Vermont's recreational landscape. This portion of the route, often referred to as part of the "Skier's Highway," follows the eastern edge of the , providing access to prominent winter sports destinations and scenic byways. It begins north of and extends to the Waterbury area, emphasizing the state's agricultural heritage alongside its outdoor infrastructure. From northward, Vermont Route 100 parallels through the area, winding through rural communities like Plymouth and offering glimpses of the . The road climbs gently into forested hills before descending into broader valleys, with side roads providing direct entry to Killington Resort, one of Vermont's largest ski areas featuring 155 trails across multiple peaks. This segment highlights the route's role in connecting skiers to the resort's base lodges and chairlifts, especially during winter when snow-covered peaks dominate the views. Further north, the highway enters the Mad River Valley near Warren, where it traces the winding Mad River and offers panoramic vistas of Sugarbush Resort, encompassing Lincoln Peak and Mount Ellen with 111 ski trails and extensive . Continuing from Warren to Waterbury, the route passes through Addison and Washington counties, navigating the communities of Waitsfield and Fayston amid fertile agricultural lands dotted with hillside farms and dairy operations. This stretch features several historic covered bridges, including the Warren Covered Bridge (built in 1880) and the Waitsfield Covered Bridge, which span the Mad River and exemplify 19th-century engineering preserved along the byway. The terrain shifts from open meadows to steeper inclines as the road approaches the Waterbury area, incorporating hairpin turns and grades up to 10% in the Waterbury-Stowe Gap, where dense forests and rocky outcrops intensify the mountainous character. Along this path, the route supports local farming economies, with visible pastures and maple sugaring operations contributing to Vermont's rural identity. A defining aspect of this central corridor is its heavy emphasis on winter sports infrastructure, serving as a gateway to multiple ski areas including Killington, Sugarbush, and , which collectively offer over 500 skiable acres and attract thousands of visitors annually for downhill skiing and snowboarding. The route also intersects with the , Vermont's 273-mile hiking path through the , at several access points such as near Rochester and Waitsfield, allowing hikers to connect to the Appalachian Trail's northern extension for backcountry exploration in summer and fall. These features underscore the section's dual role in supporting year-round recreation while preserving the natural and cultural fabric of central Vermont's valleys.

Northern Section

The northern section of Vermont Route 100 begins in Stowe, in Lamoille County, and extends northward approximately 66 miles through Lamoille and counties to its terminus in Newport, near the Canadian border. From Stowe, the route passes through rural landscapes featuring forested hills and open farmlands, offering views of the and access to areas. It travels north alongside the Lamoille River in places, crossing into Morristown and reaching Morrisville, where it intersects Vermont Route 15. This stretch emphasizes the region's natural beauty, with elevations rising gently amid meadows and woodlands that support local agriculture and wildlife habitats. Continuing north from Morrisville, Vermont Route 100 proceeds through Hyde Park and Johnson, maintaining a path parallel to the Lamoille River and transitioning into more varied terrain that includes rolling hills and small villages. The road then enters Eden and skirts the western edges of Lake Memphremagog in Orleans County, shifting to flatter, lake-influenced lowlands with expansive views of water and surrounding wetlands. This portion highlights the Northeast Kingdom's rural character, passing through agricultural lands and forested areas before reaching Irasburg and Coventry. The route concludes in Newport, intersecting Vermont Route 105 at the city's northern edge, providing a gateway to the international border region. Key features along this northern stretch include proximity to the Lamoille River, which supports fishing and paddling opportunities, and connections to multi-use trails such as the Lamoille Valley Rail Trail, a 93-mile path popular for biking and . The area's high-elevation passes near Stowe give way to lowland approaches near Newport, fostering diverse recreation like around and seasonal events in historic villages. These elements underscore the route's role in promoting outdoor activities amid northern Vermont's forests and waterways.

Junctions and Connections

Major Intersections

Vermont Route 100 intersects with approximately 20 major state and U.S. highways along its 216.666-mile course, serving as key connection points to population centers, ski areas, and regional transportation networks. These at-grade intersections are strategically located to support traffic flow through Vermont's central corridor, with many providing access to popular destinations like Stratton Mountain and the Mad River Valley. The following table highlights the primary intersections, including mileposts measured from the southern terminus, locations, intersecting routes, and brief descriptions of their significance.
MilepostLocationIntersecting RouteDescription
0.000StamfordMA 8 (southern terminus)Marks the start of VT 100 at the state line, continuing from Massachusetts Route 8 and providing initial access to southern 's rural areas.
27.500WilmingtonVT 9Connects to VT 9 east toward Brattleboro and west to Bennington, facilitating travel to eastern communities and ski area.
49.672JamaicaVT 30Provides access south to Townshend and north to Bondville and , serving as a gateway to and the West River Valley.
85.084BridgewaterUS 4Junction with US 4 east to and west to Woodstock, offering connections to and central 's tourism hubs like Killington.
107.500RochesterVT 73Links to VT 73 east toward Brandon and west to Pittsford, supporting access to the White River Valley and rural population centers.
132.000DuxburyVT 2Intersection with VT 2 (also US 2) toward Burlington and Montpelier, enabling efficient travel to the and state capital region.
148.000StoweVT 108Connects north to Jeffersonville and , a vital link for skiers heading to and northern recreational areas.
190.100JohnsonVT 15Junction with VT 15 east to Hardwick and west to Morrisville, providing access to Lamoille County towns and the northern .
216.666NewportVT 105 (northern terminus)Ends at VT 105 toward and the Canadian border, connecting to and northeastern 's international gateway.
Vermont Route 100 serves as a central north-south corridor in Vermont's highway system, running parallel to to the west, which handles more commercial through traffic, while providing a more rural and scenic alternative for travelers. It also lies between to the east, forming part of a trio of parallel routes that facilitate north-south travel across the state without direct overlap. This positioning allows VT 100 to function as a bypass for heavier traffic on US 7, particularly for tourism and local access. The route integrates with east-west connectors to enhance regional mobility, including intersections with Vermont Route 9 near Wilmington, which provides access to New Hampshire, and U.S. Route 4 near Bridgewater, linking to Rutland and New York state. Further north, VT 100 meets Vermont Route 15 in Morrisville, offering additional ties to Interstate 89. Access to I-89 is also available via the short VT 100B spur in the Waterbury area, supporting northeast regional connections. These links position VT 100 as a key spine for local and secondary routes, enabling indirect access to the interstate system without direct interchanges to I-89 or I-91. In terms of traffic flow, VT 100 experiences average daily traffic volumes typically ranging from 2,000 to 5,000 vehicles, with higher counts up to 11,000 in tourist-heavy sections like Stowe and Killington (as of 2024). Seasonal peaks occur due to , particularly during winter and fall foliage seasons, amplifying its role in the network for recreational travel.

Branch Routes

VT 100A

Vermont Route 100A (VT 100A) is a state-maintained spur route measuring 6.971 miles (11.221 km) in length. It begins at an intersection with VT 100 in the town of Plymouth and proceeds generally northward, crossing into Bridgewater before terminating at a junction with (US 4) near Bridgewater Corners. The route follows a northeast–southwest alignment through rural landscapes, paralleling sections of the main VT 100 corridor while traversing forested hills and valleys in the Green Mountains region. As a major classified by the Vermont Agency of Transportation (VTrans), VT 100A serves primarily as a local connector, offering an alternate pathway between VT 100 and US 4 that bypasses some of the sharper curves found on the primary VT 100 alignment south of Plymouth. This configuration facilitates shorter access to US 4 for travelers in the Plymouth area and supports regional loops that link to nearby destinations, including the Killington ski area along US 4. The route's design emphasizes connectivity in a low-density rural setting, with minimal commercial development and a focus on supporting residential and recreational travel. Key features along VT 100A include several historic bridges and culverts, such as a bridge over Pinney Hollow Brook in Plymouth (replaced in 2025) and a 2011 Pratt through-truss bridge spanning the Ottauquechee River in Bridgewater. The road passes directly by the President State Historic Site in Plymouth Notch, preserving the birthplace and homestead of the 30th U.S. President, which draws visitors for its 19th-century village architecture and cultural significance. Characterized by low traffic volumes, the route offers scenic views of dense forests, rolling terrain with grades up to 14.5%, and occasional glimpses of the surrounding , making it a favored path for cyclists and nature enthusiasts seeking a quieter alternative to busier highways.

VT 100B

Vermont Route 100B (VT 100B) is a spur in central that branches eastward from VT 100 in the town of Moretown, providing a key local connector across the valley. Spanning 7.945 miles (12.79 km) as of 2023, the route travels through rural and semi-rural landscapes, intersecting local town highways before terminating at (US 2) in the town of . As a major maintained by the Agency of Transportation (VTrans), VT 100B facilitates east-west travel, linking the north-south corridor of VT 100 to the broader interstate network via US 2 and nearby (I-89). The route begins at a junction with VT 100 in Moretown, approximately 0.5 miles south of the Mad River crossing, and proceeds generally eastward along the southern bank of the Mad River before veering northeast toward . Key features include multiple bridges over the Mad River—such as a 100-foot stringer bridge early in the route and a longer 307-foot structure farther east—as well as a 265-foot crossing of the near its eastern end. The passes through wooded areas and farmland, with intersections at local roads like Turner Road and Hurdle Road, supporting residential access and light agricultural activity. In the Waterbury area, VT 100B serves as an alternate path to US 2, enabling quicker connections to I-89 Exit 9 and the village center, where commercial sites including the Ben & Jerry's factory—located just north on VT 100—are accessible via short detours. Functioning primarily as a regional link, VT 100B supports moderate daily traffic volumes, estimated in the low thousands of vehicles, with some seasonal increases due to its inclusion in the Mad River Byway scenic corridor. This designation highlights its role in promoting and , offering views of river gorges, meadows, and historic sites while accommodating limited commercial development near Village. The route's bituminous surface and safety features, such as guardrails and rumble strips, reflect VTrans standards for reliable local connectivity without heavy industrialization.

VT 100C

Vermont Route 100C is a short that branches eastward from Route 100 in the town of Hyde Park and terminates at an intersection with Vermont Route 15 in the village of Johnson, following a path through the Lamoille Valley parallel to the Lamoille River and its tributaries, such as the Gihon River. The route spans 4.595 miles (7.396 km), with approximately 4.508 miles in Johnson and 0.087 miles in Hyde Park, as documented in official state route logs. This connector serves primarily local traffic by linking VT 100's north-south corridor to VT 15's east-west path, facilitating access westward toward St. Albans and while supporting agricultural communities and small villages along its length. The route traverses flat, riverine terrain dominated by farmland and open fields, with minimal commercial or residential development, and features low speed limits to accommodate rural conditions and occasional bridges over waterways.

History

Establishment

Vermont Route 100 originated from a combination of pre-existing town roads, logging paths, and early settler trails that linked rural communities and villages along the western edge of the Green Mountains, dating back to the 1700s and 1800s. These local routes were initially marked as "Route 100" on a 1923 state map as a wayfinder for travelers, but they were not yet part of a formalized state highway system. In 1931, the Vermont legislature created the state's initial 1,000-mile highway network, incorporating key segments of the future Route 100, including 51 miles from Waterbury to Newport and 11 miles from Sherburne (now Killington) to Stockbridge, to improve connectivity after the destructive 1927 flood. The early development of Route 100 occurred in phases throughout the to , supported by federal aid programs established under the 1916 Federal Aid Road Act and expanded during the to fund reconstruction and new paving. Additional segments were added in 1935 as part of a 700-mile expansion, such as 5.8 miles from Whitingham to Wilmington (previously part of ) and other connections totaling about 53 miles, focusing on linking isolated rural centers to interstate borders and enhancing access through mountainous terrain. A notable portion between Waterbury and Stowe repurposed the abandoned bed of the —operational from to 1932—into Vermont's first concrete-paved highway in 1932, providing a stable foundation for vehicular travel. The initial routing of Route 100 closely paralleled its present alignment, winding north-south through central to facilitate travel between and while prioritizing scenic passage along the . Minor realignments for safety were implemented during construction, but the core path remained consistent. By the 1950s, following incremental additions through the , the route's length had stabilized at approximately 215 miles, solidifying its role as a primary corridor modeled on other north-south highways that emphasized regional access to natural landscapes and economic hubs.

Key Events and Modifications

Tropical Storm Irene in August 2011 inflicted severe damage on Vermont Route 100, causing extensive washouts and closures along its southern and central sections, particularly in areas like Wilmington, , and near Waterbury and Moretown. Floodwaters eroded roadways, destroyed sections of pavement, and compromised bridges, isolating communities and disrupting travel across the . The intersection of and Vermont Route 100 in Killington was particularly hard-hit, with the surrounding infrastructure requiring complete reconstruction. Recovery efforts focused on rapid restoration, with the Vermont Agency of Transportation (VTrans) completing major repairs to the route by 2013 as part of a broader statewide initiative costing over $700 million for roads and bridges. These repairs included rebuilding washed-out segments and replacing damaged structures, such as bridges in the Mad River Valley area, to restore connectivity and incorporate initial improvements for flood resistance. In the decades following establishment, targeted modifications enhanced the route's alignment and surface conditions to support growing tourism. As of 2025, Vermont Route 100 has seen no major reroutings, but VTrans continues bridge replacement projects addressing prior flood vulnerabilities, including structures over the West River in Jamaica and others in Plymouth and Readsboro damaged by 2023 flooding. Budget-driven resurfacing efforts are ongoing in northern sections, such as between Waterbury and Stowe, to maintain pavement integrity amid increasing traffic from recreational use. The impacts of events like Irene underscored the route's exposure to flooding in Vermont's mountainous terrain, spurring VTrans to develop comprehensive resilience planning, including the Transportation Resilience Planning Tool and updated bridge designs to withstand higher water flows and debris. These measures have informed post-2023 flood recoveries, reducing repeat damage and enhancing long-term durability.

Current Status

Maintenance and Condition

Vermont Route 100's overall pavement condition is rated as fair by the Vermont Agency of Transportation (VTrans), though certain segments face ongoing deterioration from environmental stressors. The stretch between Waterbury and Stowe, approximately 20 miles long, has been particularly affected, with reports of sunken patches and potholes due to repeated freeze-thaw cycles and intensive winter plowing operations. These issues exacerbate wear on the asphalt, leading to ratings of poor in localized surveys conducted by VTrans crews. Repairs in the Duxbury section, including at the intersection with Crossett Hill Road, began in August 2025 and are ongoing as of November 2025. In contrast, southern portions of the route, such as those in Killington and Stockbridge, have benefited from post-2011 Tropical Storm Irene reconstruction efforts, which included enhanced drainage and resurfacing to improve resilience against flooding. VTrans maintains the route through routine practices like patching, annual resurfacing where needed, and prioritized during the ski season, given its designation as the "Skiers' Highway." These activities ensure passability for seasonal but are constrained by the route's relatively low average daily volumes, which limit available compared to higher-volume interstates. Statewide, VTrans has warned that current levels could increase the percentage of very-poor pavements from 6% to about 48% by 2026, potentially impacting lower-traffic routes like VT 100. Key challenges include Vermont's harsh winters, which accelerate pavement degradation through formation and salting, as well as escalating flood risks driven by climate change-induced heavier events. Recent indicate that such storms have increased in frequency, straining and embankments along the route's mountainous path. To address these, VTrans has planned targeted projects, including proposed culvert upgrades in Lamoille County communities like and Jeffersonville to mitigate vulnerabilities; as of September 2025, these efforts are seeking federal funding.

Scenic and Recreational Role

Vermont Route 100 serves as the backbone of the 100 Byway, officially designated as a Vermont Scenic Byway on April 20, 2011, and extended on April 18, 2013, to encompass approximately 146 miles through central and southern . This designation highlights its role in showcasing the state's rural landscapes, with interpretive signage and markers along the route guiding visitors through historic sites, natural features, and cultural landmarks to foster an immersive travel experience. The byway promotes a cohesive itinerary that encourages exploration of 's , emphasizing its nickname as "Vermont's Main Street" for its connection of charming villages and outdoor attractions. The route supports a wide array of recreational activities, drawing enthusiasts year-round. It provides key access points to the , Vermont's segment of the , enabling hikers to traverse forested ridges and mountain summits directly from roadside trailheads. In winter, VT 100 earns its moniker "The Skier's Highway" by linking over a dozen major ski resorts, including Killington, , and , which offer diverse terrain for downhill skiing and . Summer and fall bring cyclists to organized events like the 200-on-100 Ride, a challenging 200-mile trek along the route, while scenic drives for leaf-peeping peak in , when vibrant autumn foliage transforms the corridor into a premier destination for motorists seeking panoramic views of maple-covered hills. Preservation initiatives along the byway, coordinated through the former Vermont Byways Council and ongoing efforts by the Vermont Agency of Transportation and regional commissions, prioritize eco-friendly infrastructure to protect the natural and . These include low-impact development standards for roadways and support for cultural markers such as farm stands showcasing local and historic inns that preserve 19th-century . Such measures aim to balance growth with , maintaining the route's intrinsic qualities like agricultural landscapes and wildlife habitats. Promotion of the byway continues to focus on , supported by state tourism grants that encourage responsible travel practices.

References

  1. https://www.energy.gov/sites/prod/files/2015/06/f22/EIS-0503-DEISv1-2015.pdf
  2. https://www.sevendaysvt.com/arts-culture/what-route-100-says-about-vermont-a-journey-in-five-parts-36315258/
  3. https://greenmountainbywayvt.com/history/
  4. https://www.smithsonianmag.com/travel/vermonts-venerable-byway-14075289/
  5. https://www.travelandleisure.com/vermont-route-100-11834621
  6. https://centralvtplanning.org/wp-content/uploads/2012/03/100_Byway_CMP_72dpi1.pdf
  7. https://vtrans.vermont.gov/planning/maps/route-logs
  8. http://www.billburmaster.com/rmsandw/vermont/state/vt100.html
  9. https://www.tripsavvy.com/vermont-route-100-scenic-drive-complete-guide-5082054
  10. https://vermontvacation.com/things-to-do/trip-ideas-itineraries/scenic-drives/vermont-byways/
  11. http://vermonthistory.org/journal/71/vt713_404.pdf
  12. https://greenmountainbywayvt.com/about/
  13. https://www.aaa.com/roadtrips/new-england/scenic-route-100-byway-SB565066
  14. https://accd.vermont.gov/press-releases/vermonts-outdoor-recreation-economy-grows-21-billion-2023
  15. https://www.scenic.org/wp-content/uploads/2023/02/VT-Official-One-Pager_2023_2.pdf
  16. https://www.fs.usda.gov/r09/gmfl/recreation/scenic-route-100-byway
  17. https://vermontvacation.com/where-to-view-fall-foliage/
  18. https://roadtrippers.com/magazine/vermont-route-100-guide/
  19. https://www.mountsnow.com/
  20. https://www.vtstateparks.com/parks/jamaica
  21. https://www.newenglandwaterfalls.com/vt-hamiltonfalls.html
  22. https://historicsites.vermont.gov/calvin-coolidge
  23. https://backroadramblers.com/route-100-vermont-road-trip-itinerary/
  24. https://newenglandwanderlust.com/vermont-route-100/
  25. https://www.killington.com/
  26. https://www.sugarbush.com/
  27. https://www.sugarbush.com/mountain/terrain-and-maps
  28. https://www.madrivervalley.com/attraction/local-covered-bridge-tour/
  29. https://www.visit-vermont.com/central/covered-bridges/
  30. https://www.roadtriplocals.com/blog/vermont-route-100
  31. https://www.centralvtplanning.org/wp-content/uploads/2012/03/VT-100-Access-Management-Plan1.pdf
  32. https://www.snowmagazine.com/features/focus-on/cruising-route-100-the-skier-s-highway
  33. https://www.greenmountainclub.org/the-long-trail/
  34. https://tboard.vermont.gov/sites/transboard/files/2018%20Green%20Mountain%20Byway%20Plan%20Update%20finalpackagesmall.pdf
  35. https://greenmountainbywayvt.com/
  36. https://vtransmaps.vermont.gov/Maps/VTrans_RouteLogs/RouteLogs_2021_Nov/V100-0214_0.0_5.752_STAMFORD.pdf
  37. https://vtransmaps.vermont.gov/Maps/VTrans_RouteLogs/RouteLogs_2019_Dec/V100-1322_24.52_31.822_WILMINGTON.pdf
  38. https://resources.vtrans.vermont.gov/FactSheet/default.aspx?pin=21V217
  39. https://vtransmaps.vermont.gov/Maps/VTrans_RouteLogs/RouteLogs_2014_Apr/V100-1405_85.084_86.051_BRIDGEWATER.pdf
  40. https://resources.vtrans.vermont.gov/FactSheet/default.aspx?pin=17T308
  41. https://www.trorc.org/wp-content/uploads/2020/09/Appendix-D-Transportation-Corridors.pdf
  42. https://centralvtplanning.org/wp-content/uploads/2012/03/VT-100-Access-Management-Plan1.pdf
  43. https://vtrans.vermont.gov/sites/aot/files/documents/ROUTELOGAADT2024_reduced.pdf
  44. https://vtransmaps.vermont.gov/Maps/VTrans_RouteLogs/RouteLogs_2021_Nov/V100A1412_0.0_4.762_PLYMOUTH.pdf
  45. https://vtransmaps.vermont.gov/Maps/VTrans_RouteLogs/RouteLogs_2021_Nov/V100A1405_4.762_6.971_BRIDGEWATER.pdf
  46. https://www.trorc.org/wp-content/uploads/2015/10/CorridorUS4West.pdf
  47. https://vermontbiz.com/news/2025/august/10/aot-road-construction-report-week-august-11
  48. https://vtransmaps.vermont.gov/Maps/VTrans_RouteLogs/V100B1212_0.0_7.841_MORETOWN.pdf
  49. https://vtransmaps.vermont.gov/Maps/VTrans_RouteLogs/V100B1210_7.841_7.945_MIDDLESEX.pdf
  50. https://www.exitexplorer.com/ee/hwy/us/I-89/VT/
  51. https://www.benjerry.com/waterbury
  52. https://centralvtplanning.org/wp-content/uploads/2012/03/MadRiverByway100BCMPweb.pdf
  53. https://resources.vtrans.vermont.gov/FactSheet/default.aspx?pin=13c066
  54. https://www.flyrodshop.com/lamoille-river/
  55. https://vtransmaps.vermont.gov/Maps/VTrans_RouteLogs/RouteLogs_2021_Nov/V100C0806_0.0_4.508_JOHNSON.pdf
  56. https://vtransmaps.vermont.gov/Maps/VTrans_RouteLogs/LaneDepartureLogs/V100C0805_4.508_4.595_HYDE_PARK.pdf
  57. https://resources.vtrans.vermont.gov/FactSheet/default.aspx?pin=10B240
  58. https://www.lcpcvt.org/vertical/Sites/%7B3C01460C-7F49-40F5-B243-0CA7924F23AF%7D/uploads/2018_Green_Mountain_Byway_Plan_Update_finalpackagesmall(1).pdf
  59. https://vtransmaps.vermont.gov/Maps/Publications/Historical/History_Details_1931_1935.pdf
  60. https://vtrans.vermont.gov/planning/maps/historic
  61. https://strattonmagazine.com/scenery/route-100-legendary-skiers-highway-vermont/
  62. https://vtdigger.org/2011/08/29/irene-causes-worst-flooding-in-decades-in-southern-vermont/
  63. https://www.burlingtonfreepress.com/story/life/2021/08/27/hurricane-irene-vt-tropical-storm-phish-concert-10-years-later-storm-preparedness-winooski-river/5599530001/
  64. https://www.vtcng.com/waterbury_record/news/local_news/a-town-that-can-take-a-punch/article_1e414bee-6ac8-11e6-ac3c-7f920a583757.html
  65. https://www.cbsnews.com/pictures/irenes-flooding/
  66. https://www.valleyreporter.com/index.php/news/local-news/16046-ten-years-on-tropical-storm-irene-left-a-lasting-impact-on-the-valley
  67. https://vtdigger.org/2011/09/20/irene-2/
  68. https://www.benningtonbanner.com/local-news/gov-road-rebuilt-after-irene-damaged-again/article_86f258e9-7583-5f52-a674-9920013684ce.html
  69. https://www.reformer.com/local-news/on-the-2nd-anniversary-of-irene-we-revisit-the-havoc/article_ed55fd20-8bb1-5d8d-82b7-81af604a0e77.html
  70. https://greenmountainbywayvt.com/towns-and-villages/stowe-vermont/
  71. https://mountaintimes.info/2025/05/14/aot-plans-to-replace-four-bridges-on-route-100-100a/
  72. https://resources.vtrans.vermont.gov/FactSheet/default.aspx?pin=13c068
  73. https://www.benningtonbanner.com/local-news/jamaica-structure-part-of-accelerated-bridge-program/article_e02cdbbd-8ea8-5ec3-a043-32eb0db47b0b.html
  74. https://vtrans.vermont.gov/road-construction
  75. https://www.vtcng.com/waterbury_record/news/local_news/route-100-roadwork-moving-toward-stowe/article_e2d0fcd8-965a-11e8-83ba-d32649cdc48c.html
  76. https://vtdigger.org/2023/07/19/after-irene-vermont-built-back-smarter-it-has-more-work-to-do/
  77. https://vtrans.vermont.gov/climate/trpt
  78. https://storymaps.arcgis.com/stories/f67e4a5fa5404f008682b8da3f401be2
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  81. https://www.waterburyroundabout.org/news-archive/road-work-aug-23-29
  82. https://resources.vtrans.vermont.gov/FactSheet/default.aspx?pin=12B234
  83. https://vtrans.vermont.gov/operations/winter-maintenance/faq
  84. https://citizenportal.ai/articles/6316582/VTrans-warns-current-funding-could-push-verypoor-pavement-from-6-to-about-48-committee-debates-tradeoffs
  85. https://e360.yale.edu/features/vermont-floods
  86. https://www.vtcng.com/news_and_citizen/news/local_news/towns-seek-federal-funds-for-infrastructure-fixes/article_e45c1eb7-10a4-4c72-a766-cb659b7966ce.html
  87. https://www.vermontpublic.org/vpr-news/2013-04-24/what-is-a-scenic-byway-and-why-does-it-matter
  88. https://nsbfoundation.com/sb/scenic-route-100-byway/
  89. https://www.roadtripusa.com/appalachian-trail/vermont/route-100-the-skiers-highway/
  90. https://jeff-foliage.com/2022/03/25/route-100-the-skiers-highway/
  91. http://100-200.org/
  92. https://www.yourplaceinvermont.com/scenic-route-100/
  93. https://www.scenic.org/state/vermont/
  94. https://windhamregional.org/transportation/updated-route-100-scenic-byway-cmp
  95. https://accd.vermont.gov/tourism/destination-development
  96. https://accd.vermont.gov/tourism/funding-and-incentives/transformational-tourism-events-and-regional-marketing-t-term-grants
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