Route 1A

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New Hampshire Route 1A

NH 1A extends Massachusetts Route 1A north 18.3 miles from Salisbury through Seabrook, Hampton and Portsmouth along the Seacoast. The state route branches east from South Seabrook to Seabrook Beach and a northerly turn along the Atlantic Ocean. A former toll bridge spans Hampton Harbor Inlet north from Seabrook Beach to Hampton Beach, where NH 1A separates into the couplet of Ocean Boulevard north and Ashworth Avenue south.

Continuing north through the town of Hampton, New Hampshire 1A remains along the coast from Hampton Beach to North Beach and Plaice Cove. The state route enters North Hampton along Ocean Boulevard ahead of Little Boars Head and the town of Rye at Rye Beach. NH 1A hooks westward in north Rye to Foyes Corner and Sagamore Avenue across Sagamore Creek into the city of Portsmouth.

New Hampshire State Route 1A North
NH 1A (Ocean Boulevard) north runs alongside Hampton Beach State Park from N Street to Great Boars Head in Hampton Beach.

NH 1A (Ocean Boulevard) north runs alongside Hampton Beach State Park from N Street to Great Boars Head in Hampton Beach.

07/30/07

Scenes of the Atlantic Ocean and Hampton Beach State Park from alongside NH 1A (Ocean Boulevard) northbound.
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Scenes of the Atlantic Ocean and Hampton Beach State Park from alongside NH 1A (Ocean Boulevard) northbound.

07/30/07

The eastern reaches of NH 101 separate into a couplet using Highland Avenue east and Church Street west in Hampton Beach. NH 101 leads west from NH 1A (Ocean Boulevard) to Eastman Point and the Hampton town center. This small green sign was replaced with a shield assembly by 2012.

The eastern reaches of NH 101 separate into a couplet using Highland Avenue east and Church Street west in Hampton Beach. NH 101 leads west from NH 1A (Ocean Boulevard) to Eastman Point and the Hampton town center.
This small green sign was replaced with a shield assembly by 2012.

07/30/07

NH 101 upgrades to a super-two expressway leading away from Hampton Beach and as a full freeway from NH 27 (Exeter Road) to Exeter and Manchester.

NH 101 upgrades to a super-two expressway leading away from Hampton Beach and as a full freeway from NH 27 (Exeter Road) to Exeter and Manchester.

07/30/07

NH 1A (Ocean Boulevard) north at NH 101 (Church Street) west. NH 101 sees interchanges with U.S. 1 and I-95 (Blue Star Turnpike) in Hampton over the next 4.5 miles. This sign was replaced with a shield assembly by 2012.

NH 1A (Ocean Boulevard) north at NH 101 (Church Street) west. NH 101 sees interchanges with U.S. 1 and I-95 (Blue Star Turnpike) in Hampton over the next 4.5 miles.
This sign was replaced with a shield assembly by 2012.

07/30/07

New Hampshire State Route 1A South
Parking lots occupy space between separate two lane roadways for NH 1A along Ocean Boulevard in Hampton Beach. The state route splits into a couplet just one block south of NH 101 east at Ashworth Avenue.

Parking lots occupy space between separate two lane roadways for NH 1A along Ocean Boulevard in Hampton Beach. The state route splits into a couplet just one block south of NH 101 east at Ashworth Avenue.

07/30/07

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Page Updated Tuesday February 17, 2015.