| New Hampshire Route 155 | ||||
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| Route information | ||||
| Maintained by NHDOT | ||||
| Length: | 11.26 mi[1] (18.12 km) | |||
| Major junctions | ||||
| South end: | NH Route 125 in Epping | |||
| U.S. Route 4 in Lee | ||||
| North end: | NH Route 9 in Dover | |||
| Highway system | ||||
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New Hampshire Route 155 (abbreviated NH 155) is an 11.26-mile (18.12 km) long secondary north–south highway in southeastern New Hampshire. The highway runs from Epping in Rockingham County to Dover in Strafford County. There is also a secondary loop from NH 155 into Durham designated as New Hampshire Route 155A.
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The southern terminus of NH 155 is in Epping at the junction with New Hampshire Route 125 (Calef Highway). Only 0.4 mile (0.7 km) north, the road crosses the county line into Strafford County and the town of Lee. NH 155 travels through the center of Lee, and then makes a northerly turn toward Dover, where NH 155A heads east into Durham. NH 155 then meets U.S. Route 4 at a half-diamond interchange, limiting access to two movements: US 4 eastbound to NH 155 and NH 155 to US 4 westbound. NH 155 then meets the northern terminus of NH 155A before traveling along the western edge of Durham and the eastern part of Madbury. The northern terminus of NH 155 is in Dover at New Hampshire Route 9 just west of the exit 8 interchange of the Spaulding Turnpike.
| County | Location | Mile | Destinations | Notes |
|---|---|---|---|---|
| Rockingham |
Epping | 0.00 | NH Route 125 | Southern terminus of NH Route 155. |
| Strafford |
Lee | NH Route 152 | ||
| NH Route 155A | Southern terminus of NH Route 155A. | |||
U.S. Route 4 West |
Partial interchange; access to Route 155 from US-4 East only. No access to US-4 East from Route 155. |
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| NH Route 155A | Northern terminus of NH Route 155A. To U.S. Route 4 East. |
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| Dover | 11.26 | NH Route 9 | Northern terminus of NH Route 155. To the Spaulding Turnpike, via Route 9 East. |
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| 1.000 mi = 1.609 km; 1.000 km = 0.621 mi | ||||