New Hampshire Route 1A, NH 1B to US-1

AMP: N/A

Location: Sagamore Ave and Wentworth Rd, Portsmouth

No reassurance shield after Route 1B.

Location: Miller Ave and Middle St, Portsmouth
As we come into downtown Portsmouth, we’ll come to an unsigned junction with US 1. Turn right for 1 north and left for 1 south. Route 1A ends.

S to NH 111

N to NH 1B, S to NH 33

N to US-1