Interstate 66

Not to be confused with U.S. Route 66.

Interstate 66 is an Interstate Highway in the United States. It goes from Middletown, Virginia east to Washington, D.C.. The route is 76.28 miles (122.76 km) long.^[1]

Interstate 66
Route information
Length	76.28 mi[1] (122.76 km)
NHS	Entire route
Major junctions
West end	I-81 in Middletown, VA
Major intersections	US 340 / US 522 near Front Royal, VA US 17 near Warrenton, VA US 15 in Haymarket, VA SR 234 in Bristow, VA US 50 near Fairfax, VA I-495 in Dunn Loring, VA SR 267 near Falls Church, VA
East end	US 29 in Washington, D.C.
Location
Country	United States
Highway system
Interstate Highway System Main Auxiliary Suffixed Business Future