Missouri Permit Practice Test

"Move Over" laws require you to:

Explanation. Move Over laws apply when you pass any stopped emergency vehicle, tow truck, or roadside-assistance vehicle with flashing lights.

A white diamond painted on the pavement indicates:

Explanation. White diamond markings designate HOV (carpool) lanes — typically requiring 2 or more occupants during posted hours.

When parking uphill on a road with a curb, your front wheels should be:

Explanation. Uphill with a curb: turn wheels AWAY from the curb (left). If brakes fail, the car rolls back and the rear tire stops it on the curb.

Refusing a chemical test when arrested for DUI typically results in:

Explanation. Refusing a chemical test triggers automatic license suspension in every state — usually 6 months to 1 year for a first refusal.

In most US states, the unposted speed limit in a residential or business district is:

Explanation. 25 mph is the standard default residential and business district speed limit in nearly every US state when no sign is posted.

What does ABS (Anti-lock Braking System) do?

Explanation. ABS prevents wheels from locking up during hard braking, which lets you continue to steer. Apply firm, continuous pressure — do not pump.

A downward-pointing equilateral triangle with a red border means:

Explanation. A downward-pointing triangle is used only for the YIELD sign. Slow down and let cross-traffic and pedestrians clear before proceeding.

Driving a vehicle with a broken windshield wiper in rain is:

Explanation. A broken wiper that prevents safe operation in rain is generally illegal — equipment violations and unsafe-vehicle citations apply.

A blue painted curb means:

Explanation. Blue curbs are reserved for vehicles displaying a valid disabled placard or plate.

At a four-way stop where two cars arrive at the same time, who has the right of way?

Explanation. When two vehicles arrive at a four-way stop simultaneously, the vehicle on the right has the right of way.

Two solid yellow lines down the center of a road mean:

Explanation. Double solid yellow lines prohibit passing in both directions. Cross only to enter or exit a driveway when safe.

When should you turn on your headlights?

Explanation. Most states require headlights from sunset to sunrise and whenever visibility is below ~1,000 feet (rain, fog, snow, dusk).

A blind pedestrian carrying a white cane has stepped into the crosswalk. You must:

Explanation. Pedestrians with white canes or guide dogs always have the right of way, regardless of where they are crossing. Stop and wait.

Green background signs with white letters typically indicate:

Explanation. Green signs provide guidance: street names, exit numbers, mile markers, and distances to towns.

A driver with a disabled placard is entitled to park in:

Explanation. Disabled placards permit parking only in spaces specifically marked as accessible (typically with a blue background and wheelchair symbol).

Driving slower than other traffic on a freeway is:

Explanation. Driving too slowly on a freeway can be a hazard. Most states have minimum speeds (typically 40 mph) and require slow drivers to use the right lane.

A "Stop Ahead" sign is shaped like a:

Explanation. "Stop Ahead" is a warning sign — yellow diamond — used where a stop sign may be hidden by curves, hills, or vegetation.

An orange diamond-shaped sign means:

Explanation. Orange is reserved for temporary traffic-control situations: construction, maintenance, and emergency operations.

When driving in heavy rain, you should reduce your speed by approximately:

Explanation. A reduction of about one-third is recommended in rain. In heavy snow or ice, reduce by half or more.

A round yellow sign with a black "RR" symbol is:

Explanation. The round yellow railroad advance warning sign tells you a railroad crossing is ahead. The actual crossing is marked by the white X-shaped crossbuck.