Most of Northbound 495 Closing Tonight, Thursday Night in Tysons Corner

Three lanes of the northbound Beltway, I-495 and three ramps from I-495 to Route 123 will be closed overnight tonight, Wednesday, Aug. 31, and tomorrow night, Thursday, Sept. 1 because of Metro construction.
 
The closings are from 11 p.m. to 5 a.m. as follows:

Northbound I-495
Three right lanes of northboundI-495 - closed from 3,000 feet south of Leesburg Pike (Route 7) to Route 123.

Ramp from northbound I-495 to northbound Route 123
Ramp closed. Detour: Traffic will continue on northbound I-495, exit Georgetown Pike (Route 193, Exit 44), turn around on to southbound I-495, then exit northbound Route 123 (Exit 46A).

Ramp from northbound I-495 to southbound Route 123
Ramp closed. Detour: Traffic will continue on northbound I-495, exit Georgetown Pike (Route 193, Exit 44), turn around on to southbound I-495, then exit northbound Route 123 (Exit 46A).

Ramp from southbound Route 123 to southbound I-495
Ramp closed. Detour: Traffic will continue on southbound Route 123, turn right on International Drive, right on Galleria Drive, right on Tysons Boulevard, left on Route 123, then make an immediate right on to the entrance ramp to southbound I-495.