Nightly closures on SB 495 Express Lanes near Tysons

September 11, 2024

Beginning on Sept. 11 and continuing through Nov., overnight milling and repaving work will take place on the 495 Express Lanes between mile markers 44 near Lee Highway and 55 near the northern terminus in Tysons. 

Work will be conducted weekdays from about 9:30 p.m. to about 5 a.m., and will require closures of ramps, segments of the 495 Express Lanes, and single left-lane closures in the general-purpose lanes. Travelers are encouraged to follow detours to the I-495 general-purpose lanes or seek alternate routes. 

Through September, expect the following overnight closures: 

Date 

Closure 

September 11 

495 Southbound Express Lanes Entrance Ramp at Scotts Crossing 

September 12 

495 Northbound Express Lanes Entrance Ramp at Scotts Crossing / Dulles Toll Road 

September 13 

495 Southbound Express Lanes Entrance Ramp at Dulles Toll Road 

September 16 

495 Southbound Express Lanes Entrance Ramp at Route 123 

September 16-19 

495 Express Lanes southbound from I-495 south to Route 7  

September 17-18 

495 Northbound Express Lanes Entrance Ramp at Route 123 

 

 

September 19 

495 Express Lanes Southbound Entrance Ramp at Route 7 

September 20 

495 Express Lanes Northbound Exit Ramp at Route 7 

September 20-25 

495 Express Lanes southbound Entrance Ramp from I-66 WB 

September 23 

495 Express Lanes Southbound Entrance Ramp from I-66 EB 

September 24 

495 Express Lanes Southbound Entrance Ramp from I-66 EB 

September 25 

495 Express Lanes Southbound Entrance Ramp at Route 29 

September 26 

495 Express Lanes Northbound Exit Ramp at Route 29 

September 26-27 

495 Express Lanes southbound from Route 7 to Lee Highway 

September 30-October 3 

495 Express Lanes southbound from I-495 to Route 7 

September 30-October 3 

495 Express Lanes northbound from I-66 to I-495