From Wikipedia, the free encyclopedia
New Hampshire Route 1B (abbreviated NH 1B) is a 4.89 mile long state highway in southeast New Hampshire. The southern terminus is at New Hampshire Route 1A in New Castle a short distance southeast of Portsmouth. The road loops around over Great Island in the Piscataqua River through New Castle and then back into Portsmouth. The northern terminus is at the junction with U.S. Route 1 near the Maine state line.
[edit] Communities along the route
[edit] References
NH 1A in New Castle
US 1 in Portsmouth
