District of Columbia Permit Test: Lanes & Passing Practice Questions

Correct answer: One-half

On a two-lane or narrow highway you must grant the approaching vehicle one-half of the paved road.

Source: Driving Rules – Keep Right, Signaling, Passing, Lanes, Turns

Correct answer: 100 feet

You must not pass when crossing or within 100 feet of an intersection or a railroad crossing.

Source: Driving Rules – Keep Right, Signaling, Passing, Lanes, Turns

Correct answer: On one-way roads with room, or 4+ lane highways

It is legal to pass on left or right on one-way roads with room for more than one line, and on highways with four or more lanes.

Source: Driving Rules – Keep Right, Signaling, Passing, Lanes, Turns

Correct answer: When you see both headlights in your mirror

Return to the right lane when you see both headlights of the passed vehicle in your rearview mirror.

Source: Driving Rules – Keep Right, Signaling, Passing, Lanes, Turns

Correct answer: At least three feet

When passing a cyclist, allow a minimum of three feet clearance and do not use your horn.

Source: Driving Rules – Keep Right, Signaling, Passing, Lanes, Turns

Correct answer: It is lawful to pass only when safe

The end of a no-passing zone does not mean it is safe to pass, only that it is lawful to pass when safe.

Source: Driving Rules – Keep Right, Signaling, Passing, Lanes, Turns

Correct answer: Slow down and move left in your lane or over a lane

If you see a vehicle stopped on the shoulder, slow down and move to the left part of your lane or to the next lane if available.

Source: Driving Rules – Keep Right, Signaling, Passing, Lanes, Turns

Correct answer: The right lane

When driving more slowly than traffic on a highway with two or more lanes in your direction, move to and stay in the right lane.

Source: Driving Rules – Keep Right, Signaling, Passing, Lanes, Turns

Correct answer: Speed up only after finding a gap

On a short entrance without an acceleration lane, speed up only after you have found a gap; generally stop before entering while waiting for a break.

Source: Interstate and Other Limited Access Highways

Correct answer: In the deceleration lane

Don’t slow down on the main highway; start slowing as soon as you get into the deceleration lane.

Source: Interstate and Other Limited Access Highways

Correct answer: Stop on the shoulder, raise the hood, stay with it

Stopping in travel lanes is prohibited; on the shoulder raise the hood or tie a white cloth, and stay with your vehicle; never walk along the interstate.

Source: Interstate and Other Limited Access Highways

Correct answer: No, under any circumstances

Do not back up on any highway, under any circumstances.

Source: Interstate and Other Limited Access Highways

Correct answer: The right lane

It is legal to pass on left or right, but slow-moving vehicles must stay in the right lane.

Source: Interstate and Other Limited Access Highways

Correct answer: Continue off the ramp and find a way back

If you exit at the wrong place, continue until you are off the ramp and look for a way to re-enter.

Source: Interstate and Other Limited Access Highways

Correct answer: Blink your headlights

Let the truck driver know you are passing by blinking your headlights, especially at night.

Source: Sharing the Road With Large Trucks