AMP: 16
Location: North Rd and I-495, Chelmsford
Reassurance shield after the I-495 junction.
AMP: 17
Location: North Rd and Northwest Expy, Chelmsford
A mile and a half later, we’ll approach the US 3 freeway. This is a cutout! But really one intended for green sign applications, not for standalone use.
AMP: 17
Location: North Rd and Northwest Expy, Chelmsford
Stay straight through the light for US 3 north and Route 4 north.
AMP: 17
Location: North Rd and Northwest Expy, Chelmsford
Turn right for US 3 south to Boston.
AMP: 17
Location: North Rd and Northwest Expy, Chelmsford
Reassurance shield after the 3 south ramp.
AMP: 17
Location: North Rd and Northwest Expy, Chelmsford
As we cross over US 3, turn left at the light to follow 4 north to the ramp to 3 north.
AMP: 17
Location: North Rd and Northwest Expy, Chelmsford
Turn left for 4 north to 3 north.
AMP: 17
Location: North Rd and Northwest Expy, Chelmsford
After the turn, keep right to stay on 4 north. Stay in the middle lanes to merge onto 3 north. Keep left to u-turn around to 3/4 south.
AMP: 17
Location: North Rd and Northwest Expy, Chelmsford
Exit right for 4 north to Lowell.
AMP: 17
Location: North Rd and Northwest Expy, Chelmsford
Keep left to loop back around to 4 south and the ramp to 3 south.
AMP: 17
Location: North Rd and Northwest Expy, Chelsmford
Stay straight for US 3 north to New Hampshire.
