District of Columbia Interstate 66
1957 specification highway marker.
This is the first reassurance shield along westbound Interstate 66/U.S. 50 on the Theodore Roosevelt Bridge over the Potomac River.
Photo by Jeff Royston, 12/1998.
1957 specification highway marker.
This is the first reassurance shield along westbound Interstate 66/U.S. 50 on the Theodore Roosevelt Bridge over the Potomac River.
Photo by Jeff Royston, 12/1998.