State comparison · Updated October 2026
New Hampshire vs. Vermont Driving Laws (2026)
New Hampshire and Vermont part ways on 5 of 9 laws we track: max speed limit, car insurance, car sales tax, car inspection and helmet law.
Heading from Manchester to Burlington takes you across the border, and 5 of the rules switch at the line. Main routes are I-93 on the New Hampshire side and I-89 in Vermont; the capitals, Concord and Montpelier, set the rules for their side.
The largest difference: car tax on a $30,000 purchase differs by $1,800. Drivers based in Nashua who drive to South Burlington, and back, live under both rulebooks: New Hampshire's on I-89 and Vermont's once they cross on I-91. Read the New Hampshire vs Vermont guide before driving from Manchester and Burlington.
For a quick visit from Concord to Montpelier, pack your documents and proof of insurance, set navigation before leaving, and expect the limit to change from 70 to 65 mph after crossing.
| Topic | New Hampshire | Vermont |
|---|---|---|
| Max speed limit | 70 mph | 65 mph |
| Phone law | Hands-free law | Hands-free law |
| Learner's permit age | Permit at 15 | Permit at 15 |
| Car insurance | 25/50/25 | 25/50/10 |
| Car sales tax | None | 6% |
| Car inspection | No regular inspection | Safety + emissions |
| New resident deadline | 60 days | 60 days |
| Helmet law | No helmet law | All riders |
| Lane splitting | Not allowed | Not allowed |
Driving laws: New Hampshire vs Vermont
New Hampshire vs Vermont: New Hampshire and Vermont match on Hands-free law for phone law and learner's permit age: Permit at 15.
Max speed limit: New Hampshire vs Vermont
New Hampshire is faster on max speed limit, with New Hampshire with 70 mph and Vermont with 65 mph. Rural interstates reach 65 mph in New Hampshire and 65 mph in Vermont. Heading away from Manchester on the way to Burlington, verify the posted limit when you cross.
Owning a car side by side: New Hampshire vs Vermont
New Hampshire vs Vermont: New Hampshire and Vermont agree on new resident deadline (60 days).
Car insurance: New Hampshire vs Vermont
The law is higher in Vermont on car insurance: New Hampshire at 25/50/25 and Vermont with 25/50/10. New Hampshire is at-fault and Vermont is at-fault. Coverage bought in Manchester has to be updated if you relocate to Burlington.
Car sales tax: New Hampshire vs Vermont
Vermont is higher on car sales tax: New Hampshire at none and Vermont with 6%. For a $30,000 purchase, state tax comes to roughly $0 in New Hampshire and $1,800 in Vermont. Shoppers in Nashua or South Burlington pay car tax based on their registration address, not the dealer's.
Vehicle inspection and emissions testing: New Hampshire vs Vermont
Vermont is stricter on car inspection: New Hampshire with no regular inspection and Vermont at safety + emissions. A car registered in Nashua follows New Hampshire laws, even when driven to South Burlington.
Motorcycle: New Hampshire vs Vermont
New Hampshire vs Vermont: New Hampshire and Vermont match on Not allowed for lane splitting.
Motorcycle helmet laws: New Hampshire vs Vermont
New Hampshire is looser on helmet law, with New Hampshire at no helmet law and Vermont at all riders. Riders crossing from Manchester into Burlington switch to Vermont's helmet law at the line.
Crossing the line for good
- New Hampshire vs Vermont: relocating from New Hampshire to Vermont means 60 days for the car registration and 60 days for a license.
- Going from Vermont to New Hampshire: 60 days to register and 60 days to switch licenses.
New Hampshire vs Vermont: questions
Which has the higher speed limit, New Hampshire or Vermont?
New Hampshire (70 mph vs. 65 mph).
Is car tax lower — New Hampshire or Vermont?
New Hampshire costs less at the state level (None vs. 6%).
Do I need a helmet in both New Hampshire and Vermont?
New Hampshire: No helmet law; Vermont: All riders.