Interstate 66 West - Arlington to Fairfax

Tolls are collected electronically along Interstate 66 as part of the Inside the Beltway Express Lanes.
07/28/24
07/28/24
SR 110 concludes northbound at a wye interchange with I-66 ahead of Exit 73 at North Rosslyn.
12/27/22
12/27/22
I-66 west of U.S. 29 (Lee Highway) at Rosslyn is a part of the tolled 66 Inside the Beltway Express Lanes. All lanes operate as High Occupancy/Toll (HOT) weekdays between 3 and 7 PM.
07/28/24
07/28/24
Motorists meeting the HOV-3 requirement with E-ZPass Flex transponders can use the Inside the Beltway Express Lanes toll free.
12/27/22
12/27/22
A split diamond interchange joins Interstate 66 with parallel U.S. 29 at Exit 73 in Rosslyn.
07/28/24
07/28/24
U.S. 29 (Lee Highway) shifts south from the frontage road system of I-66 west of Scott Street.
12/27/22
12/27/22
A half diamond interchange (Exit 72 eastbound) connects U.S. 29 (Lee Highway) at Cherrydale with I-66 westbound ahead of this confirming marker by the N Lincoln Street overpass.
12/27/22
12/27/22
A half diamond interchange (Exit 71) joins I-66 westbound with SR 120 (Glebe Road) in 0.75 miles.
07/12/24
07/12/24
Exit 71 connects I-66 with the Ballston neighborhood in Arlington, Marymount University and the Arlington Campus of George Mason University.
12/27/22
12/27/22
Interstate 66 passes under a parking structure between Quincy and Stafford Streets between Cherrydale and Ballston.
08/04/13
08/04/13
Exit 71 departs from I-66 west for SR 120 (Glebe Road). SR 120 follows a circuitous route between U.S. 1 at Crystal City and SR 123 at the Chain Bridge.
07/28/24
07/28/24
The succeeding exit along I-66 west serves the independent city of Falls Church from Sycamore Street south to Roosevelt Street.
12/27/22
12/27/22
Exit 69 is a split diamond interchange with Sycamore Street westbound and U.S. 29 (Lee Highway) from I-66 eastbound.
12/27/22
12/27/22
Sycamore Street winds 1.50 miles northward from Falls Church to East Falls Church and Williamsburg Boulevard.
12/27/22
12/27/22
Overpasses carry SR 237 (Washington Boulevard) and U.S. 29 (Lee Highway) across I-66 beyond the East Falls Church Metro Station.
12/27/22
12/27/22
SR 267 (Dulles Access Road) branches north from I-66 at a wye interchange (Exit 67) in one mile. Exit 67 provides the connection from I-66 west to I-495 north to Montgomery County, Maryland.
12/27/22
12/27/22
Great Falls Street (SR 694) passes over Interstate 66 west a half mile from SR 267 (Dulles Access Road). SR 267 extends west along the Hirst Brault Expressway beyond Washington Dulles International Airport (IAD) to SR 7 at Leesburg.
07/28/24
07/28/24
An entrance ramp for the I-66 Outside the Beltway Express Lanes separates from Interstate 66 west within the exchange for the I-495 (Capital Beltway).
07/28/24
07/28/24
Traffic splits with two lanes continuing on I-66 west and two lanes joining SR 267 (Dulles Access Road).
07/28/24
07/28/24
The I-66 roadways separate around the West Falls Church VT / UVA Metro Station leading to a directional cloverleaf interchange (Exit 66) with SR 7 (Leesburg Pike).
07/28/24
07/28/24
SR 7 (Leesburg Pike) leads west from Exit 66B to Tysons Corner and Reston. SR 7 travels 71.5 miles in length between U.S. 11/522 in Winchester and U.S. 1 in Alexandria.
07/28/24
07/28/24
Curving southwest, I-66 advances to the directional cloverleaf interchange (Exit 64) with Interstate 495 (Capital Beltway).
07/28/24
07/28/24
Exit 64 provides access to both the Interstate 495 General Purpose Lanes and Express Lanes south.
07/28/24
07/28/24
I-495 south reaches Annandale in 3.5 miles and the Springfield Interchange with I-95/395 in eight miles.
07/28/24
07/28/24
Entrance ramps for the I-495 Express Lanes and the I-66 Outside the Beltway Express Lanes depart simultaneously from Interstate 66 westbound at Exit 64.
07/28/24
07/28/24
A number of additional ramps were added at the exchange joining I-66/495 for the I-66 Outside the Beltway Express Lanes.
12/27/22
12/27/22
The ground level distance sign posted west of I-495 was carbon copied and still incorrectly references Fort Royal at 60 miles instead of 56 miles.
07/28/24
07/28/24
The I-66 Outside the Beltway Express Lanes project converted the cloverleaf at Exit 62 with SR 243 (Nutley Street) in Vienna to a diverging diamond interchange (DDI).
07/28/24
07/28/24
SR 243 (Nutley Street) extends 1.2 miles north from Interstate 66 to SR 123 (Chain Bridge Road) within the town of Vienna.
07/28/24
07/28/24
The 1.88 mile route of SR 243 along Nutley Street concludes just south of Exit 62 at U.S. 29 (Lee Highway) and Merrifield.
07/28/24
07/28/24
A collector distributor roadway extends west from SR 243 (Nutley Street) to Exit 62 A for parallel Country Creek Road east to the Vienna / Fairfax Metro Station.
07/28/24
07/28/24
Photo Credits:
- AARoads: 08/04/13
- Brent Ivy: 07/12/24, 07/28/24
- Alex Nitzman: 12/27/22
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Page Updated Thursday January 01, 2026.


