I-66 West of Fairfax County Parkway
I-95 at Springfield Interchange.
14th and E St NW
Cam 13 @ Rt123W (near I-495) in West McLean
Cam 1, SR-687 @ Colonial Ave (Roanoke)
I-95 at Springfield Tower
Cam 15 @ I-495S at RT-7 in West McLean
I-95 Mine Rd.
Leesburg Pike & Fashion Blvd.
Chain Bridge & Boone Blvd.