Speed limits — New Hampshire Permit Test
Speed limits on the New Hampshire permit test — 6 rules, each with the reason behind it and a question on it while it is fresh.
The rules
Speed limits are the maximum speed a driver may travel under ideal conditions.
A posted limit is a ceiling for a dry road in daylight, not a target to reach in rain or fog.
Speed limits are the maximum speed you may travel under ideal conditions.
The maximum speed limit is 30 miles per hour in any business or urban residence district.
Built-up streets have doors opening, people crossing and cars pulling out, and thirty is the speed a driver can still stop from.
30 miles per hour in any business or urban residence district as defined in RSA 259:118;
The maximum speed limit is 35 miles per hour in any rural residence district and on any Class V Highway outside the compact part of a city or town.
Houses are further apart than in town but people still live there, which is why the limit sits between the town and the open road.
35 miles per hour in any rural residence district as defined in RSA 259:93, and on any Class V Highway outside the compact part of any city or town as defined in RSA 229:5,IV;
The maximum speed limit is 45 or 55 miles per hour in other locations.
Away from houses and away from the interstate, the limit depends on the road, so the sign is what a driver has to read.
45 or 55 miles per hour in other locations
The maximum speed limit is 65 miles an hour on the interstate system and the turnpikes where those highways are divided with 4 or more lanes.
The divided highway is what earns the higher limit, because nothing is coming the other way into your lane.
65 miles an hour on the interstate system
The maximum speed limit is 70 miles per hour on the portion of I-93 from mile marker 45 to the Vermont border.
One stretch of one road is faster than anywhere else in the state, so a driver who assumes 65 everywhere is wrong in one place.
70 miles per hour on the portion of I-93 from mile marker 45 to the Vermont border.
On the test
What do posted speed limits describe?
The maximum speed under ideal conditions. A posted limit is a ceiling for a dry road in daylight, not a target to reach in rain or fog. New Hampshire Driver's Manual, p.15: “Speed limits are the maximum speed you may travel under ideal conditions.”
How this works
Most practice tests hand you a bank of questions and leave the manual somewhere else. This one puts them together.
You read one law and the reason behind it, then answer a question on that law while it is still fresh. Get it right and you move on; get it wrong and you have found the gap while it is cheap to fix, not on the morning of the exam.
Learning one rule at a time, and proving it immediately, is what turns a manual you skimmed into something you actually know — and it makes studying feel like getting somewhere rather than like waiting to find out.
What it costs
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Where these come from
Every rule here is checked against New Hampshire Driver's Manual, published by the New Hampshire Division of Motor Vehicles, and against the state code itself. Last checked 2026-09-16.
- src/assets/drivers-manuals/NH.pdf (New Hampshire Driver's Manual, Rev. 11/25, New Hampshire Division of Motor Vehicles, retrieved 2026-09-14)
- src/assets/drivers-manuals/NH.pages.txt (plain pdftotext over that PDF; sha256 pinned in SOURCES.json)
- src/assets/drivers-manuals/SOURCES.json (sha256, folio offset 6, folioMarker, nonLawPages, signGalleryPages and the extraction flag, each with its basis)