Interstate 581

Interstate 581 (I-581) is a spur off Interstate 81 into Roanoke, Virginia, United States, completely overlapping U.S. Route 220. It is planned to be connected to Interstate 73. Future I-73 Corridor signs are marked on I-581 on the southbound side just after Exit 2.

Interstate 581
Route information
Auxiliary route of I-81
Maintained by VDOT
Length6.35 mi[1] (10.22 km)
Existedlate 1950s–present
Major junctions
South end US 220 / SR 24 in Roanoke
North end I-81 / US 220 near Hollins
Location
CountiesCity of Roanoke, Roanoke
Highway system
← I-564→ SR 598

Route description
Northern terminus of I-581 at I-81 in Roanoke County.
View north along I-581/US 220 just north of SR 24 in Roanoke

The I-581 designation ends at the Elm Avenue (State Route 24) interchange in downtown Roanoke, Virginia, where US 220 continues south as the Roy L. Webber Expressway. I-581 was constructed as a six lane highway for its entire length and has not been widened in its history.

Many of I-581's exits are cloverleaf interchanges, which results in weaving. The northern terminus has short merge areas with I-81, particularly the left-lane southbound merge.

Roanoke Regional Airport, Valley View Mall, and the Roanoke Civic Center are all located adjacent to I-581. The Hershberger Road (State Route 101) exit has become a focus of development. In addition to Valley View, two large hotels were constructed in the early 1980s with another group of hotels being constructed from the mid-1990s through the present. In 2002, local CBS affiliate WDBJ constructed its new facility, designed to broadcast in HDTV, on Hershberger Road near I-581.

The southern end of I-581 offers views of the downtown Roanoke skyline, most prominently the Hotel Roanoke, the Wells Fargo Tower, the former Roanoke Shops of Norfolk Southern, the Norfolk Southern tower, and St. Andrews Catholic Church. The Mill Mountain Star is also clearly visible.

Future

The road is planned to become part of an extension of Interstate 73 in Virginia.

History

Roy L. Webber Expressway

In 1980, the highway was extended approximately 3.3 miles (5.3 km) from the Elm Avenue interchange to State Route 419 near Tanglewood Mall in Roanoke County. US 220 continues as a four lane arterial road south of the SR 419 interchange. Since the extension was not constructed to full Interstate Highway standards, it only carried the US 220 designation and was named the Roy L. Webber Expressway after a former mayor of Roanoke. The primary interchange along the expressway is at Wonju Street, which links Franklin Road (U.S. Route 220 Business) and Colonial Avenue and Brandon Avenue (U.S. Route 11). This exit provides quick access to downtown Roanoke from residential areas in southwest Roanoke. Wonju Street is named after Wonju, South Korea, one of Roanoke's sister cities. The expressway was originally constructed with four lanes but was widened to six lanes in the mid-1990s.

Exit list
CountyLocationmi[1]kmExitDestinationsNotes
City of Roanoke0.000.00 US 220 south – MartinsvilleContinuation beyond SR 24; south end of US 220 overlap; future I-73
6 SR 24 (Elm Avenue) – VintonSouthern terminus
0.661.065
US 11 / US 220 Bus. south – Downtown		Southbound exit and northbound entrance
0.971.564 US 460 (Orange Avenue) – Berglund CenterSigned as exits 4E (east) and 4W (west)
2.654.263CValley View Boulevard – AirportDiverging diamond interchange completed in November 2016 with new south bound exit and northbound entrance ramps, now providing complete access
3.766.053 SR 101 (Hershberger Road) – AirportSigned as exits 3E (east) and 3W (west)
5.518.872 SR 117 (Peters Creek Road)Signed as exits 2N (north) and 2S (south)
Roanoke​6.3510.221 I-81 / US 220 north – Salem, Bristol, LexingtonI-81 exit 143; northern terminus; signed as exit 1N (north) and left 1S (south); tri-stack interchange
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

References
  1. "Jurisdiction Report - Roanoke County" (PDF). Virginia Department of Transportation. 2012. Retrieved September 9, 2013.

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