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.
S to MD-161, N to PA State Line
S to MD-623