White lane lines — Arizona Permit Test

White lines separate lanes of traffic moving in the same direction and mark the edge of the roadway, stop lines and crosswalks.

A white line means everyone on both sides is headed your way. It tells you which lanes you share with the flow.

White lines are used to separate lanes of traffic moving in the same direction and to mark the edge of the roadway, stop lines and pedestrian crosswalks.

Broken white lines may be crossed with caution, and you must signal your intention to change lanes.

The car in the next lane may be in your blind spot. A signal and a look tell it what you are about to do.

These lines may be crossed with caution.

Solid white lines are used for turn lanes and to prevent lane changes near intersections.

Near an intersection, a late lane change cuts off drivers who are already lined up to turn.

Solid white lines are used for turn lanes and to prevent lane changes near intersections.

Only cross the solid white line on the right edge of the roadway in an emergency or to avoid a road hazard.

The shoulder is where broken-down cars and people on foot wait. Driving on it can bring you right into them.

Only cross the solid line on the right edge of the roadway in case of emergency or to avoid a road hazard.

A double solid white line separates two lanes going in the same direction, and crossing it is prohibited.

The double line guards lanes where a sudden move over is too risky, such as next to a special lane.

A double solid white line separates two lanes of traffic going in the same direction. Crossing a double solid white line is prohibited.

What do white lane lines separate?

Lanes going the same way. A white line means everyone on both sides is headed your way. It tells you which lanes you share with the flow. Arizona Driver License Manual and Customer Service Guide, p.45: “White lines are used to separate lanes of traffic moving in the same direction and to mark the edge of the roadway, stop lines and pedestrian crosswalks.”