U.S. Route 1, US-50 to US-1 Alt

 

Location: Constitution Ave and 14th St, Washington

No reassurance shield as 1 joins 50.

Location: Constitution Ave and 6th St, Washington

At 6th Street, US 1/50 turns left. Stay straight here for US 1 Alt, which begins here.

 

 N to US-50, S to I-395

 W to I-66E to US-1

 N to US-50

 W to I-66E to US-1 Alt