From VDOT:
Route 17 northbound and southbound will be narrowed slightly at the Exit 133/Falmouth overpasses beginning next Wednesday evening, February 20, to provide space for crews to build new interstate bridges, part of the I-95 Southbound Rappahannock River Crossing: https://bit.ly/2GI4BUn
The inside left lane will close on Route 17 northbound and southbound in the vicinity of the overpasses. …Work crews will be working behind concrete barriers in this area.
Route 17 northbound will continue to have three travel lanes at the interchange. The far right lane will become a shared through lane and merge lane for the I-95 ramps.
On Route 17 southbound, two travel lanes will remain open in the work zone.