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Interstate 66
Although Interstate 66 is theoretically a mulit-state Interstate, 98% of it is in Virginia.
Only a couple of miles are in Washington, DC, a fast connector to Georgetown and the Mall area.
The purpose for Interstate 66 is to give a high speed connector road between the Shenandoah
Valley and Washington, DC. Although some people and other state governments have wanted to
extend I-66 Westward, there is no official plan on making a new road interstate standard due to
the fact that Virginia does not want to extend it.
At present time, I-66 a 4 lane limited access highway from I-81 near Strasburg, VA to US-29
near Gainesville, VA. East of Gainesville, the road becomes six lanes until Manassas, afterwhich,
it becomes 8 lanes with one lane in each direction serving as HOV-2 Lanes until the Capital
Beltway. Inside the Capital Beltway, is a much different story. Due to community opposition for
the highway when it was being built, I-66 inside the Beltway is a 4 lane, HOV-2 highway
(although it is 6 lanes close in to DC). Even still, I-66 is a commuter highway and frequently
gets backed up during rush hour time. At this time, there are the following exits on I-66:
Exit 1: I-81: Strasburg, and to Winchester
Exit 6: US 340: Front Royal
Exit 13: VA 79 to VA 55: Linden
Exit 18: Leeds Manor Road: Markham
Exit 23: US 17 North: Winchester
Exit 27: VA 55: Marshall
Exit 28: US 17 South/US 17 Business: Marshall, to Warrenton, to Fredericksburg
Exit 31: VA 245: The Plains
Exit 40: US 15: Haymarket
Exit 43: US 29: Gainesville, to Warrenton, to Manassas
Exit 44: VA 234 South: Manassas
Exit 47: VA 234 North/VA 234 Business: Manassas
(subnote: For access to VA 234 south of Manassas, take the ramp for VA 28 East into Manassas at the end of the 4 lane highway, make a right turn
at the light which comes up immediately, and follow that road until you see a light just past
Food Lion Shopping Center. Finally, make a right turn, and you will be back on VA 234 South.
Unfortunately, this is the only reasonably fast way to access it until the rest of the new VA 234
south of VA 28 is completed near 2004.)
Exit 52: US 29: Centreville
Exit 53: VA 28: Chantilly, to Manassas
(subnote: take VA 28 north for approx. 10 miles for easy access to
Dulles International Airport)
Exit 55: VA 7100, Fairfax County Parkway: Fair Oaks, to Reston, to Fairfax
Exit 57: US 50: Fairfax, to Chantilly
Exit 60: VA 123: Fairfax, to Vienna
(subnote: Take VA 123 South to access George Mason University)
Exit 62: Nutley Street/Vienna Metro Station: Vienna
Exit 64: Capital Beltway: Tyson's Corner, to Springfield
Exit 66: VA 7, Leesburg Pike: Falls Church
Exit 67: Dulles Toll and Access Road West (NO ACCESS EASTBOUND)
Exit 68: US 29/Westmoreland Street: Falls Church
Exit 69: Sycamore Street/North Roosevelt Street: Arlington
Exit 71W: Fairfax Street to Glebe Road (NO ACCESS FROM WESTBOUND LANES)
Exit 71E: Glebe Road (NO ACCESS FROM EASTBOUND LANES)
Exit 72: US 29: Arlington, to Washington VIA Key Bridge
Exit 73: US 29: Arlington, to Washington VIA Key Bridge (not a typo)
Exit 75: US 50, Arlington Blvd.: Arlington, to Washington VIA Memorial Bridge
DC Exits:
A ramp to the E Street Expressway to E Street
A ramp from Constitution Avenue
A ramp to Independence Avenue
A ramp to the Rock Creek and Potomac Parkway
A ramp to Georgetown
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