Warning signs — New Hampshire Permit Test
Warning signs on the New Hampshire permit test — 14 rules, each with the reason behind it and a question on it while it is fresh.
The rules
This sign warns that a road crosses the one being traveled, a short distance ahead.
Traffic can arrive from either side at a crossroad, so it is worth covering the brake before you reach it.
Cross Road Ahead
This sign warns that traffic will be joining the road being traveled.
Somebody is about to arrive in your lane, and adjusting speed early is easier than braking late.
Merging Traffic
This sign warns that a lane is about to end and traffic in it must move over.
Merging early and at speed is safe. Running to the end of the lane and forcing in is not.
Lane Ends
This sign warns that a divided highway begins ahead, with traffic separated by a median.
It is the point where a driver stops meeting oncoming traffic, and where they must take the correct side.
Divided Highway Begins
This sign warns that a divided highway is ending and the road ahead carries traffic in both directions.
It is the moment a driver starts meeting oncoming cars again, and drifting left stops being harmless.
Divided Highway Ends
This sign warns that a traffic signal is ahead on the road being traveled.
A signal hidden by a rise or a curve gives no warning of its own, and this sign is what replaces it.
Traffic Signal Ahead
This sign warns that a stop sign is ahead on the road being traveled.
It appears where a driver could not otherwise see the stop in time to slow for it comfortably.
Stop Sign Ahead
This sign warns of a sharp curve ahead on the road being traveled.
A sharp curve has to be slowed for before it starts, and this sign is how a driver knows to.
Sharp Curve Ahead
This sign gives the advisory speed for the curve it is posted at.
The advisory speed is the one the curve was measured for, which is usually well below the posted limit.
Advisory Speed Around Curve
This sign marks a school crossing, where children may be crossing the roadway.
Children step out without checking, and the sign is placed where a driver has to be ready for that.
School Crossing
This sign warns of a pedestrian crossing ahead.
People on foot are hard to see and slow to clear the road, so the warning comes early.
Pedestrian Crossing
This sign warns a driver of a bicycle crossing ahead.
A bicycle arrives faster than a walker and is harder to see, which is why the crossing is signed at all.
Bicycle Crossing
This sign warns that the roadway ahead is slippery when wet.
Some surfaces lose grip in rain far more than others, and there is no way to tell by looking at them.
Slippery When Wet
This sign identifies a narrow or single lane bridge ahead, which drivers should look out for on rural roads.
A bridge narrower than the road it carries gives no room for two cars, so both drivers need to know before they reach it.
Drivers should look for warning signs identifying narrow or single lane bridges.
On the test
What does this sign warn a driver of?
A road crossing ahead. Traffic can arrive from either side at a crossroad, so it is worth covering the brake before you reach it. New Hampshire Driver's Manual, p.21: “Cross Road Ahead”
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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All New Hampshire permit topics
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)