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New Hampshire
Speed Limits
Truck speed limits in New Hampshire: Highway 65 mph, Rural 65 mph, Urban 55 mph. Same as passenger vehicles. Left lane: No specific truck left-lane restriction.
Winter & Chain Laws
No mandatory chain law; studded tires permitted; chains allowed during winter Construction: Construction season May-October; spring thaw weight restrictions February-April.
Restricted Routes
White Mountain notches (Franconia, Crawford, Pinkham) have steep grades and may close in winter; some local truck restrictions
Hours of Service & ELD
Standard federal HOS enforcement; NHSP commercial vehicle units ELD: Full federal ELD mandate compliance required.
Inspections & Enforcement
Moderate; NHSP conducts regular inspections on I-93 and I-95 Drug testing: Federal DOT drug testing requirements apply.
Parking Availability
Limited; small state with few truck stops; seasonal weight restrictions on many roads
Official Source
For the most current trucking regulations in New Hampshire, visit the official enforcement page at https://www.nh.gov/dot/org/operations/highwaymaintenance/overhaul/index.htm.
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Trucking regulations change frequently. Always verify current rules with the official state DOT or highway patrol before operating. This guide is for informational purposes only. Data reflects regulations as of early 2026.