AMP: 90
Location: Northwest Expy and Kendall Rd, Tyngsborough
Erroneous cutout reassurance marker after Route 113 – this is intended for green sign applications, not standalone. That said, there are a lot of these on US 3 in particular, which is fun.
AMP: 88
Location: Northwest Expy and Swan Rd, Tyngsborough
In a mile, we’ll approach Route 40.
AMP: 88
Location: Northwest Expy and Swan Rd, Chelmsford
Welcome to Chelmsford!
AMP: 87
Location: Northwest Expy and Groton Rd, Chelmsford
1/2 mile to Route 40.
AMP: 87
Location: Northwest Expy and Groton Rd, Chelmsford
Unusual junction signage as we approach 40 in a grade-separated interchange.
AMP: 86
Location: Northwest Expy and Groton Rd, Chelmsford
Exit for Route 40, which heads west to Groton.
S to MA 4, N to Everett Tpk/NH State Line
W to MA 119/MA 225, E to MA 3A
