Virginia State Route 55

State Route 55
State Route 55
Route information
	Maintained by VDOT
Length	64.71 mi (104.14 km)
Existed	1928–present
Tourist; routes	Virginia Byway
Major junctions
West end	US 48 / WV 55 near Star Tannery
	I-81 / US 48 in Strasburg; US 11 in Strasburg; US 340 / US 522 in Front Royal; I-66 / US 17 in Marshall; SR 245 in The Plains; US 15 in Haymarket;
East end	US 29 / SR 619 in Gainesville
Location
Country	United States
State	Virginia
Counties	Frederick, Shenandoah, Warren, Fauquier, Prince William
Highway system
	Virginia Routes; Interstate; US; Primary; Secondary; Byways; History; HOT lanes;

State Route 55 (SR 55) is a primary state highway in the U.S. state of Virginia. Known for most of its length as John Marshall Highway, the state highway runs 64.71 miles (104.14 km) from the West Virginia state line, where the highway continues as West Virginia Route 55 (WV 55), east to U.S. Route 29 (US 29) in Gainesville. West of its interchange with Interstate 81 (I-81) in Strasburg, SR 55 runs concurrently with the easternmost portion of US 48 as part of Corridor H. East of Front Royal, the state highway serves as the local complement of I-66 as it passes through the towns of Marshall, The Plains, and Haymarket.

Most of SR 55 is a Virginia Byway.

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