U.S. Route 1, MD-161 to MD-623

 

Location: Conowingo Rd and Castleton Rd, Harford Cty

Just after 161, we’ll approach MD 623.

Location: Conowingo Rd and Castleton Rd, Harford Cty

Turn right for 623 east, which is a short spur back to Darlington.

Location: Conowingo Rd and Castleton Rd, Harford Cty

Turn right for 623 east/south. Turn left for 623 north.

 N to MD-222, S to MD-440

 S to MD-161, N to PA State Line

 S to MD-623