Inclement weather — Maryland Permit Test
Inclement weather on the Maryland permit test — 7 rules, each with the reason behind it and a question on it while it is fresh.
The rules
Traction is the grip between your tires and the road that makes it possible to start, stop and change direction. Wet roads reduce traction and increase the chance of a crash.
Grip is what turns the wheel and the brake into anything at all.
Traction is the grip between your tires and the road that
Avoid slamming on your brakes in bad weather, because it may cause a skid. If your vehicle does not have an anti-lock braking system, pump the brakes to prevent skidding.
A locked tire slides, and a sliding tire will not steer at all.
If your vehicle does not have an anti-lock braking system, pump the brakes to prevent skidding.
Ramps and bridges freeze before roads, and plowed roads may refreeze at night or hold icy patches from snow that melted during the day.
Cold air gets under a bridge as well as over it, so it loses heat from both sides.
Ramps and bridges freeze before roads. Also, plowed roads may refreeze at night or have icy patches from snow that melted during the day.
Black ice is a thin layer of ice on blacktop that can be very hard or impossible to see, caused by ice or snow melting and re-freezing.
It looks exactly like wet road, which is why it catches people out.
It can be very hard or impossible to see a thin layer of ice on blacktop (asphalt) roads. This is sometimes called black ice. It is caused by ice or snow melting and re-freezing.
There is no such thing as a completely safe speed on ice and snow, and a four-wheel drive vehicle can slide on them too.
Four-wheel drive helps you get going; it does nothing to help you stop.
Four-wheel drive vehicles can also slide on ice and snow.
On snow or ice, start very slowly and then test your brakes gently to find out how well you can stop, and start slowing down long before an intersection or a turn.
Testing the brakes early tells you what you have before you need it.
Start very slowly, then test your brakes gently to find out how well you can stop.
Remove all ice and snow from your vehicle before driving, and keep your windows and lights clear.
Snow off a roof at speed lands on the windshield of the car behind you.
Keep your windows and lights clear. Remove all ice and snow from your vehicle before driving.
On the test
What is traction?
The grip between your tires and the road. Grip is what turns the wheel and the brake into anything at all. Maryland Driver's Manual, p.28: “Traction is the grip between your tires and the road that”
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.
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Where these come from
Every rule here is checked against Maryland Driver's Manual, published by the Maryland Department of Transportation Motor Vehicle Administration, and against the state code itself. Last checked 2026-09-06.