Speed limits — Virginia Permit Test
Speed limits on the Virginia permit test — 12 rules, each with the reason behind it and a question on it while it is fresh.
The rules
A speed limit is the fastest you may legally travel under ideal conditions. You may drive slower, as long as you do not hold up the normal flow of traffic.
The number was measured on a dry road in daylight, so it is a ceiling rather than a target and never a promise that the speed is safe.
Unless a sign says otherwise, the speed limit for cars and motorcycles is 25 miles per hour in school, business and residential areas.
Someone struck at this speed usually lives, and at twice it usually does not, which is why the number is set where people walk.
Unless a sign says otherwise, the speed limit on unpaved roads is 35 miles per hour.
Loose surfaces give the tires much less to hold onto, so the same steering that works on pavement slides the car on gravel.
Unless a sign says otherwise, the speed limit for cars and motorcycles on all other roads is 55 miles per hour.
A road with no sign on it still has a limit, and the driver who assumes otherwise finds that out in court.
Driving 20 or more miles per hour above the speed limit, or above 85 miles per hour at any limit, is reckless driving. Reckless driving is a criminal misdemeanor.
Past this margin the charge stops being a ticket and becomes a criminal record, which follows a driver into work and insurance.
Any speed above 85 miles per hour is reckless driving, whatever the posted limit is on that road.
At this speed a car covers the length of a football field in under three seconds, so the limit stops mattering to how long you have.
A driver convicted of going between 81 and 85 miles per hour in a 65 mile per hour zone faces an additional fine of $100.
The extra fine covers the gap below the reckless threshold, so speeds that clear the limit by a lot still cost more than a normal ticket.
It is illegal to use a radar detector in Virginia.
The device has one purpose, which is to speed where nobody is measuring, so the state treats owning it in a moving car as the offense.
You must drive slower where a sign shows a school zone or work zone speed limit is in force, and where construction or bad weather makes the posted speed unsafe.
These limits are set for the hour of the day the sign is flashing, which is when the children or the workers are actually there.
You may be ticketed for driving too fast for the conditions in rain, snow or ice even when you are at or below the posted speed limit.
Wet pavement can double the distance your car needs to stop, and the posted number was never measured on a wet road.
Some school zones use automated photo enforcement, shown by a sign reading Speed Photo Enforced or something similar.
The camera runs whether or not a patrol car is there, so slowing down only when you see a police car does not work in these zones.
A driver convicted of exceeding the speed limit in a highway work zone may be fined up to $500.
The fine is higher because the same speed is more dangerous where people are standing beside the lane.
On the test
What does a posted speed limit describe?
The fastest legal speed in good conditions. The number was measured on a dry road in daylight, so it is a ceiling rather than a target and never a promise that the speed is safe.
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.
Where these come from
Every rule here is checked against Virginia Driver’s Manual, published by the Virginia Department of Motor Vehicles, and against the state code itself. Last checked 2026-09-02.
- https://www.dmv.virginia.gov/licenses-ids/exams/know-exam
- https://www.dmv.virginia.gov/sites/default/files/forms/dmv39.pdf
- https://www.dmv.virginia.gov/sites/default/files/documents/dmv39i.pdf
- https://www.dmv.virginia.gov/licenses-ids/learners/apply
- https://www.dmv.virginia.gov/licenses-ids/learners/restrictions
- https://law.lis.virginia.gov/vacode/title46.2/section46.2-870/
- https://law.lis.virginia.gov/vacode/title46.2/section46.2-873/
- https://law.lis.virginia.gov/vacode/title46.2/section46.2-874/
- https://law.lis.virginia.gov/vacode/title46.2/section46.2-862/