Massachusetts Route 3A, MA 14 to MA 139

AMP: 24

Location: Tremont St and Church St, Duxbury
Just after Route 14, we’ll approach Route 139.

AMP: 24

Location: Tremont St and Church St, Duxbury

Turn right for 139 west, which heads northeast to Green Harbor and Fieldston, serving as a business loop of sorts for 3A. Turn left for 139 east, which heads west to Route 14.

N to MA 139, S to MA 3

E to MA 14, W to MA 3A

W to MA 139