VDOT News - Northern Virginia



Michelle Holland 703-586-0487


June 18, 2021

Full Overnight Closures of I-66 West at I-495 Continue This Weekend, June 18 and 19, and Next Week, June 21-25, for Overhead Bridge Work at I-66/I-495 Interchange

FAIRFAX – Overnight full closures of westbound I-66 approaching I-495 will continue this weekend, June 18 and 19, and next week, June 21-25, for installation of bridge beams for new ramps at the I-66/I-495 Interchange. Traffic will be detoured using I-495 and Route 50. The ramps from I-495 North to I-66 West, and from I-66 West to I-495 South and the 495 Express Lanes South will remain open during this period. The I-66 and I-495 Interchange is being rebuilt as part of the Transform 66 Outside the Beltway Project.

Drivers traveling on I-66 West during this time should expect delays and consider using alternate routes.

Details include:

Friday, June 18; Saturday, June 19; Monday, June 21 through Friday, June 25

I-66 West at I-495

  • All I-66 West travel lanes will be closed at I-495 nightly from 11 p.m. to 5 a.m. (until 6 a.m. on Saturday and Sunday).
  • All thru-traffic will be directed to exit the interstate at I-495 South, exit at Route 50 (Arlington Boulevard) East, stay to the right toward Fairview Park, then take the left fork for Fairview Park North, bear left at the traffic signal and stay to the right following signs to I-495 North and I-66, then follow signs to I-66 West.
  • The ramp from I-66 West to I-495 South and the 495 Express Lanes South will remain open to traffic.
  • All lanes will reopen by 5 a.m. (by 6 a.m. Saturday and Sunday).

Ramp from I-495 North to I-66 West

  • The ramp from northbound I-495 to I-66 West will be reduced to a single travel lane from 9:30 p.m. to 5 a.m. Monday through Thursday nights, and from 10 p.m. to 8 a.m. on Friday and Saturday nights.
  • All lanes will open by 5 a.m. (by 8 a.m. Saturday and Sunday).

All work is weather dependent and will be rescheduled if inclement conditions occur.

The I-66/I-495 Interchange is being modified with several new ramps and connections as part of the Transform 66 Outside the Beltway Project. Improvements at the interchange include adding access to and from the existing 495 Express Lanes and the new I-66 Express Lanes, as well as building new connections between express and general purpose lanes. 


Information in VDOT news releases was accurate at the time the release was published. For the most current information about projects or programs, please visit the project or program Web pages. You may find those by searching by keyword in the search Virginia DOT box above.

Page last modified: Aug. 17, 2023