New Hampshire Route 1A is an 18.32-mile (29.48 km) long state highway located in southeast New Hampshire. The route runs along the Atlantic coastline from the Massachusetts border north to Rye, then turns toward downtown Portsmouth. The southern terminus is at the Massachusetts state line in Seabrook where it continues south as Massachusetts Route 1A. The northern terminus is at a junction with U.S. Route 1 in downtown Portsmouth. For the length of the road's run along the shore, its local name is Ocean Boulevard. In the northern part of Rye, it is known as Pioneer Road, and in Portsmouth, it is known as Miller Avenue and Sagamore Avenue.
New Hampshire Route 111 is a 50.027-mile-long (80.511 km) east–west highway in Hillsborough and Rockingham counties in southeastern New Hampshire. The road runs from the Massachusetts border at Hollis to North Hampton on the Atlantic shore.
New Hampshire Route 101 is a state-maintained highway in southern New Hampshire extending from Keene to Hampton Beach. It is the major east–west highway in the southern portion of the state.
New Hampshire Route 27 is a 37.621-mile-long (60.545 km) long east–west highway in southeastern New Hampshire. The western terminus of NH 27 is in Hooksett at U.S. Route 3 and New Hampshire Route 28 north of Manchester. The eastern terminus is in Hampton Beach at New Hampshire Route 1A, which runs along the New Hampshire coastline adjacent to the Atlantic Ocean.
New Hampshire Route 28 is an 85.413-mile-long (137.459 km) north–south state highway in eastern New Hampshire. It connects the town of Ossipee in east-central New Hampshire with Salem on the Massachusetts border, while passing through Manchester, the largest city in the state.
New Hampshire Route 33 is an 9.090-mile-long (14.629 km) east–west highway in the Seacoast Region of southeastern New Hampshire, connecting Stratham with Portsmouth. The western terminus is at New Hampshire Route 108 in Stratham. The eastern terminus is at U.S. Route 1 in downtown Portsmouth. It is a former routing of New Hampshire Route 101.
New Hampshire Route 84 is a 4.184-mile-long (6.733 km) secondary east–west state highway in Rockingham County in southeastern New Hampshire. The western terminus is in Kensington at New Hampshire Route 150. The eastern terminus of NH 84 is in Hampton Falls at U.S. Route 1.
New Hampshire Route 87 is a 6.317-mile-long (10.166 km) east–west highway in Rockingham County in southeastern New Hampshire connecting Newfields to Epping. The eastern terminus of NH 87 is in Newfields at its junction with New Hampshire Route 85. The western terminus is in Epping at its junction with New Hampshire Route 125.
New Hampshire Route 88 is a 6.676-mile-long (10.744 km) east–west state highway in Rockingham County in southeastern New Hampshire, United States. It runs from Hampton Falls to Exeter.
New Hampshire Route 102 is a 23.956-mile-long (38.553 km) state highway in Rockingham and Hillsborough counties in the southern part of the U.S. state of New Hampshire. NH 102 runs southwest to northeast between Hudson and Raymond, but is signed as an east–west route.
New Hampshire Route 107 is a 69.108-mile-long (111.219 km) north–south state highway in eastern New Hampshire. It connects Laconia in the Lakes Region with Seabrook on the Atlantic coast. The southern terminus of NH 107 is at U.S. Route 1 in Seabrook near the entrance to Seabrook Station Nuclear Power Plant. The northern terminus is at U.S. Route 3 on the Laconia/Gilford town line.
New Hampshire Route 108 is a 42.430-mile-long (68.284 km) north–south state highway in Rockingham and Strafford counties in southeastern New Hampshire. The southern terminus of NH 108 is at the Massachusetts state line in Plaistow. The northern terminus is at an intersection with New Hampshire Route 125 and New Hampshire Route 202A in downtown Rochester.
New Hampshire Route 125 is a 51.994-mile-long (83.676 km) north–south state highway in Rockingham, Strafford and Carroll counties in southeastern New Hampshire. The southern terminus is in Plaistow at the Massachusetts state line, where the road continues south into Haverhill as Massachusetts Route 125. The northern terminus is in Wakefield at New Hampshire Route 16 and New Hampshire Route 153.
New Hampshire Route 150 is a 5.743-mile (9.242 km) north–south state highway in Rockingham County in southeastern New Hampshire, United States.
New Hampshire Route 236 is a 2.589-mile-long (4.167 km) east–west state highway located entirely in the city of Somersworth, New Hampshire. Its western terminus is at an intersection with New Hampshire Route 108 west of downtown. Its eastern terminus is at the Maine state line, where the highway crosses the border into Berwick, Maine overlapped with New Hampshire Route 9. The roadway continues into Maine as Maine State Route 9.
New Hampshire Route 202A (NH 202A) is a 14.639-mile-long (23.559 km) east–west state highway in Strafford and Rockingham counties in southeastern New Hampshire, serving as a northern loop of U.S. Route 202. Its western terminus is in Northwood at US 202 and New Hampshire Route 9, and its eastern terminus is in Rochester at New Hampshire Route 108 and New Hampshire Route 125.
New Hampshire Route 152 is a 15.449-mile-long (24.863 km) east–west highway in Rockingham and Strafford counties in southeastern New Hampshire. It runs from an intersection with U.S. Route 4 near the Northwood/Nottingham town line east to an intersection with New Hampshire Route 108 in Newmarket.
New Hampshire Route 156 is a 6.424-mile-long (10.338 km) secondary north–south highway in Rockingham County in southeastern New Hampshire. The road runs from Raymond to Nottingham.
Route 97 is a south–north highway in Essex County in northeastern Massachusetts, United States. It connects the cities of Beverly and Haverhill before continuing into Salem, New Hampshire as New Hampshire Route 97.
In the U.S. state of New Hampshire, U.S. Route 1 is a north–south state highway through Hampton and Portsmouth. It lies between Interstate 95 and New Hampshire Route 1A.
NH 27 / NH 111A in Exeter 
NH 101 in Exeter
NH 108 in Newfields 
