New Hampshire State Route 1A runs north-south along the Atlantic coast of Rockingham County. It runs from the Massachusetts/New Hampshire State Line, near Seabrook Beach, to U.S. Rt. 1, at Portsmouth. NH St Rt 1A passes through the following towns in Rockingham County. Seabrook Beach
Hampton Beach
Great Boars Head Little Boars Head Rye Beach Rye North Beach Wallis Sands Portsmouth NH St Rt 1A is not multi-plexed in Rockingham County. NH St Rt 1A intersects the following highways in Rockingham County. New Hampshire State Route 286, at Seabrook Beach.
New Hampshire State Route 101, at Hampton Beach. New Hampshire State Route 101E, near Great Boars Head. New Hampshire State Route 27, near Great Boars Head. New Hampshire State Route 111, at Little Boars Head. New Hampshire State Route 1B, at Portsmouth. U.S. Rt. 1, at Portsmouth.
NB NH St Rt 1A at the New Hampshire Welcome Sign. NB NH St Rt 1A at a drawbridge in Hampton Beach. NB NH St Rt 1A at Hampton Beach.
