Map of southeastern New Hampshire and northeastern Massachusetts with NH 108 highlighted in solid red and with MA 108 highlighted in dotted red
|Maintained by NHDOT|
|Length||42.430 mi (68.284 km)|
|South end||Route 110 in Haverhill, MA|
|North end||NH 125 / NH 202A in Rochester|
|Counties||Essex (MA), Rockingham, Strafford|
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.
NH 108 is notable in being one of two routes (the other being New Hampshire Route 9) to intersect both U.S. Route 4 and New Hampshire Route 4 (a rare case of two completely separate routes in one state having the same number).
Massachusetts Route 108
Route 108 begins at an intersection with Route 110 north of downtown Haverhill, Massachusetts, near Kenoza Lake. The highway proceeds due north, passing underneath I-495 before crossing into Plaistow, New Hampshire, where it becomes NH 108.
Plaistow to Exeter
NH 108 runs along the eastern edge of Plaistow, near the Massachusetts border, before crossing through Newton into East Kingston, where it crosses NH 107A, then turns eastward to form a brief wrong-way concurrency with NH 107. Continuing north, NH 108 passes through Kensington, where it meets the north end of NH 150 and continues north into Exeter. In Exeter, NH 108 meets NH 27, NH 111 and NH 111A, forming a very brief overlap with the former two routes. NH 108 meets the western end of NH 88, then interchanges with the NH 101 freeway at exit 11.
Stratham to Dover
NH 108 crosses into Stratham where it meets NH 33, a connector to US 1 in Portsmouth which also interchanges with I-95, at a traffic circle. Continuing northward, NH 108 passes through Newfields and Newmarket, intersecting with NH 85 and NH 152 along the way. The road crosses into Durham and Strafford County, passing through the center of town just east of the University of New Hampshire main campus, and then interchanging with US 4. NH 108 continues through eastern Madbury and into the city of Dover.
Dover to Rochester
NH 108 interchanges with the Spaulding Turnpike (NH 16) at exit 7, becoming Central Avenue, the main road in downtown Dover. The road intersects NH 9 and NH 4 at Silver Street. NH 4 has its western terminus here. The three routes briefly run concurrently in the center of Dover, before NH 4 splits off towards South Berwick, Maine via Portland Avenue. NH 9 and NH 108 continue north until NH 9 splits off towards Berwick, Maine, near an intersection with the Spaulding Turnpike at Exit 9 (via Indian Brook Drive). NH 108 continues north into the city limits of Somersworth, where it meets NH 236, a short connector to NH 9 bound for Berwick. NH 108 serves as Somersworth's industrial strip, then continues north into Rochester. NH 108 terminates at the intersection of South Main Street and Columbus Avenue (NH 125), a terminus it shares with NH 202A. South Main Street continues into downtown as NH 202A westbound.
The Dover to Rochester section of NH 108 is scheduled for a $11.36 million improvement project, to begin in 2022, "to improve safety and mobility for drivers, pedestrians, bikers and transit users," according to NHDOT.
|Essex||Haverhill||0.00||0.00||Route 110 (Amesbury Road / Kenoza Avenue) – Amesbury, Lawrence||Southern terminus|
|Massachusetts–New Hampshire state line|
|Rockingham||East Kingston||8.023||12.912||NH 107A (Powwow River Road / Burnt Swamp Road) – Kingston, South Hampton|
|9.191||14.791||NH 107 north (Depot Road) – Kingston||Southern end of wrong-way concurrency with NH 107|
|10.077||16.217||NH 107 south (East Road) – Kensington, Seabrook||Northern end of wrong-way concurrency with NH 107|
|Kensington||13.399||21.564||NH 150 south (Amesbury Road) – Kensington, Amesbury MA||Northern terminus of NH 150|
|Exeter||15.252||24.546||NH 111 west (Front Street) – Kingston||Southern end of concurrency with NH 111|
|15.336||24.681||NH 27 / NH 111A west (Water Street) – Brentwood, Epping||Southern end of concurrency with NH 27|
eastern terminus of NH 111A
|15.567||25.053||NH 27 / NH 111 east (High Street) – Hampton, North Hampton||Northern end of concurrency with NH 27 / NH 111|
|16.515||26.578||NH 88 east (Holland Way) – Hampton Falls||Western terminus of NH 88|
|NH 101 (Exeter-Hampton Expressway) to I-95 – Hampton, North Hampton, Epping, Manchester||Exit 11 on NH 101|
|18.934||30.471||NH 33 east (Portsmouth Avenue) – Greenland, Portsmouth||Western terminus of NH 33|
|Newfields||20.615||33.177||NH 85 south (Main Street) to NH 87 – Newfields||Northern terminus of NH 85|
|Newmarket||23.266||37.443||NH 152 west (South Main Street) – Lee||Eastern terminus of NH 152|
|US 4 (Piscataqua Road) – Concord, Portsmouth||Interchange|
|Spaulding Turnpike / NH 16 – Portsmouth, Boston, Somersworth, Rochester||Exit 7 on Spaulding Turnpike|
|32.189||51.803|| NH 9 west (Silver Street) to NH 155 – Madbury|
|Western terminus of NH 4; southern end of concurrency with NH 9|
|32.717||52.653||NH 4 east (Portland Avenue) – Rollinsford, South Berwick ME||Northern end of concurrency with NH 4|
|34.891||56.152|| NH 9 east (Indian Brook Drive) – Somersworth, Berwick ME|
Indian Brook Drive to NH 16 / Spaulding Turnpike / Sixth Street
|Northern end of concurrency with NH 9|
|Somersworth||38.168||61.425||NH 236 east (West High Street) – Somersworth, Berwick ME||Western terminus of NH 236|
|Rochester||42.430||68.284|| NH 125 (Columbus Avenue) – Gonic, Milton|
NH 202A west (South Main Street)
|Northern terminus; eastern terminus of NH 202A|
|1.000 mi = 1.609 km; 1.000 km = 0.621 mi|
- Bureau of Planning & Community Assistance (February 20, 2015). "NH Public Roads". Concord, New Hampshire: New Hampshire Department of Transportation. Retrieved April 7, 2015.
- MassDOT (2009). "Road Inventory Downloads". Archived from the original on September 27, 2006. Retrieved March 25, 2011.
- Stucker, Kyle (March 1, 2019). "Route 108 upgrades in works in Tri-Cities". Foster's Daily Democrat. Dover, New Hampshire. Retrieved March 2, 2019.
- Bureau of Planning & Community Assistance (April 3, 2015). "Nodal Reference 2015, State of New Hampshire". New Hampshire Department of Transportation. Retrieved April 7, 2015.
- Town of Plaistow, Rockingham County
- Town of East Kingston, Rockingham County
- Town of Kensington, Rockingham County
- Town of Exeter, Rockingham County
- Town of Stratham, Rockingham County
- Town of Newfields, Rockingham County
- Town of Newmarket, Rockingham County
- Town of Durham, Strafford County
- City of Dover, Strafford County
- City of Somersworth, Strafford County
- City of Rochester, Strafford County
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