U.S. Route 20, MA 60 to MA 16

AMP: 147

Location: Main St and Linden St, Waltham
No reassurance shield after Route 60 as we pass over some railroad tracks.

AMP: 147

Location: Main St and Gore St, Waltham
Reassurance shield as we head out of Waltham.

AMP: 149

Location: Main St and Galen St, Watertown

A mile later, we’ll enter Watertown and approach Route 16, though the shield is missing here.

AMP: 149

Location: Main St and Galen St, Watertown

Turn right for 16 west to West Newton. Follow 16 east to Cambridge. Stay on U.S. 20 for Brighton.