FREE District of Columbia DMV Written Test (2023)

1. Lanes of traffic moving in the same direction are divided by ____ lines.

2. What should drivers do when they see this road sign?

look for a human flagger.
increase their speed to cross the intersection before a train arrives.
come to a complete stop and wait for a train to cross.
slow down, look for a train, and be prepared to stop.

3. Before you change lanes, you should:

check behind you by looking quickly over your left shoulder.
keep other vehicles out of your blind spots.
check your left mirror.

4. To drive defensively, you must:

assume that a driver who approaches a STOP sign on a side road is actually going to stop.
not check behind you through your mirrors.
anticipate errors by other drivers.
use only one hand on the wheel.

5. When a hazard is seen ahead, reaction distance:

equals total stopping distance minus perception distance.
is the sum of perception distance and braking distance.
is how far a vehicle will continue to travel, in ideal conditions, before the driver hits the brakes.
None of the above.

6. Vertical panels, barricades, drums and cones are the most commonly used devices to guide drivers safely through work zones.

True
False

7. Traffic signs and pavement markings must be:

followed only when a police officer is present.
followed only when other vehicles are present.
used as a guide only.
always obeyed.

8. If the entrance lane is too short to allow acceleration to highway speed, you should:

go to the next entrance ramp.
stop and wait for a large gap in traffic, then enter the highway and accelerate quickly.
merge into highway traffic as soon as possible.
None of the above.

9. If an approaching driver does not dim the headlights, you should:

move your eyes to the left to help avoid the glare of approaching high beams.
flash your headlights to low beam for a second, then return to high beam.
move your eyes to the right and avoid looking directly at the bright lights.
switch to daytime lights.

10. Alcohol:

increases reaction time.
makes drivers more prone to take chances.
makes it difficult for drivers to judge their condition.
All of the above.

DISTRICT OF COLUMBIA DMV WRITTEN TEST