Lane Closure and Traffic Impact Updates

03/25/2025

Closures needed for delivery and installation of bridge beams; Motorists should follow posted detours

FAIRFAX, VA - Beginning Thursday night, March 27, and continuing weeknights through April 17, the exit ramp from southbound I-495 (Capital Beltway Outer Loop) collector road to Georgetown Pike (Exit 44), and the on-ramp from northwest George Washington Memorial Parkway (GWMP) to southbound I-495 will be closed. Closures and detours will occur Monday through Friday, between the hours of 10 p.m. to 5 a.m. Crews will be installing beams for new express lanes ramp connections at GWMP, as part of the I-495 Express Lanes Northern Extension (495 NEXT) project.