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| State Route 40 (Virginia) | |
|---|---|
| State | VA |
| Type | VA |
| Route | 40 |
| Length mi | 124.57 |
| Established | 1923 |
| Direction a | West |
| Terminus a | Tennessee |
| Direction b | East |
| Terminus b | Smithfield |
| Counties | Grayson County, Carroll County, Giles County, Pulaski County, Montgomery County, Roanoke County, Bedford County, Campbell County, Pittsylvania County, Charlotte County, Prince Edward County, Lunenburg County, Nottoway County, Surry County, Isle of Wight County |
State Route 40 (Virginia) is an east–west primary state highway traversing southern and southwestern Virginia from the Tennessee state line to Smithfield near the James River. The route links small towns, regional centers, and rural corridors across the Blue Ridge Mountains foothills, the Ridge and Valley region, and the coastal plain, intersecting major highways such as US 23, US 58, US 29, and Interstate 95. SR 40 serves agricultural, industrial, and historic communities including Galax, Pulaski, Blackstone, and Chase City.
SR 40 begins at the Tennessee state line near the community of Mount Airy and runs eastward through Grayson County into the independent town of Galax, where it meets US 58 Alt. and SR 89. Continuing through the New River Valley, the highway intersects US 23 and proceeds toward Pulaski in Pulaski County, providing access to Radford University via connecting routes. East of Pulaski SR 40 crosses the Roanoke River corridor and traverses Montgomery County and Roanoke County, connecting to U.S. Route 220 and US 11 near smaller communities.
Beyond the Blue Ridge foothills, SR 40 enters Campbell County and serves the town of Brookneal before crossing into Charlotte County and linking with US 15 near agricultural areas. The highway continues east through Prince Edward County and Lunenburg County, intersecting U.S. Route 360 and providing access to Farmville via spur connections. In its final stretch SR 40 passes through Nottoway County and Surry County, crosses major freight corridors, and terminates at SR 10 in Smithfield, within reach of the James River Bridge and Norfolk Southern Railway lines.
The corridor that became SR 40 traces historic stage, turnpike, and plantation roads used during the 18th and 19th centuries for commerce between the Tennessee highlands and Chesapeake Bay ports such as Norfolk and Hampton Roads. Early 20th-century road-building programs by the Virginia Department of Highways formalized many of these alignments. Adopted into the state highway system in the 1920s, the route received its SR 40 designation during statewide renumbering efforts that also affected routes like US 58 and U.S. Route 360. Subsequent decades saw incremental paving, widening, and realignment projects influenced by the Great Depression era public works, Interstate era funding priorities, and local industrial shifts tied to textile, tobacco, and furniture manufacturing in towns such as Galax and South Boston.
Notable historical intersections include the creation of bypasses around downtown Pulaski and realignment at the Roanoke River crossings to replace older bridges, some of which were featured in state preservation initiatives with the Virginia Department of Historic Resources. SR 40's role in supporting World War II logistics to nearby military installations and later in facilitating regional tourism to sites like Blue Ridge Parkway and National D-Day Memorial contributed to incremental upgrades.
SR 40 intersects a number of principal routes and facilities that structure transportation across southern Virginia. Major junctions include connections with US 23 near Galax, US 58 and US 58 Alt. corridors, US 29 near Chatham, U.S. Route 360, I-85 near Keysville and US 1/I-95 access via connecting state routes. The eastern terminus at SR 10 in Smithfield provides links to Norfolk and Virginia Beach via regional arteries. County seat and industrial access points include Pulaski, Brookneal, Chase City, and Blackstone.
Several short auxiliary segments and former alignments associated with SR 40 exist, including business routes through downtowns such as the SR 40 Business alignment in Pulaski and connector spurs serving industrial parks and rail terminals in Galax and South Boston. Historic turnpikes converted to local secondary routes appear in Lunenburg County and Prince Edward County, and state-maintained spurs link SR 40 to facilities including the Virginia National Guard armories, regional hospitals, and university campuses like Longwood University via signed connectors.
Traffic volumes on SR 40 vary from low-density rural counts in the Appalachian foothills to moderate arterial flows near towns and industrial sites. The Virginia Department of Transportation monitors average daily traffic, with peak loads concentrated at junctions with US 23, US 58, and I-95 connectors. Pavement preservation, bridge inspections, and winter maintenance are ongoing priorities, with state funding supplemented by federal STBG allocations and locally administered improvement projects. Safety upgrades, including shoulder widening, guardrail installations, and intersection signalization, have been implemented at high-crash locations identified through VDOT crash data programs.
Planned improvements for SR 40 focus on targeted bridge replacements, pavement rehabilitation, and capacity enhancements at key intersections to support freight movements tied to Port of Virginia activity and regional economic development initiatives. Coordination with regional planning commissions aims to integrate SR 40 projects with bicycle and pedestrian strategies, multimodal freight plans, and resilience measures related to flooding near the James River. Potential corridor studies consider bypass options around constrained town centers, but major realignments await environmental review under National Environmental Policy Act procedures and funding commitments from the Virginia Commonwealth Transportation Board.