Regulatory signs rules ok — Oklahoma Permit Test

A 4-WAY or ALL-WAY plate added below a stop sign means all traffic approaching the intersection must stop.

Knowing that every driver must stop tells you to take turns rather than expect cross traffic to keep going.

Added below a stop sign, means all traffic approaching this intersection must stop.

Regulatory signs tell you what you must do and what you must not do, and you are required to obey them just like other traffic laws.

A sign is the law written at the spot it applies, so ignoring one is breaking the law.

REGULATORY SIGNS tell you what you must do and what you must not do.

When you see the School Zone speed sign, you must reduce your speed to the limit shown when the yellow light is flashing, watch carefully for children and be ready to stop.

The light flashes when children are arriving or leaving, the times they are most likely to step into the street.

When you see the “School Zone” sign, you must reduce your speed to the limit shown when the yellow light is flashing.

In Oklahoma, do not park or stop in a parking space reserved for disabled people unless you have a disabled license plate or disability placard.

Those spaces are wider and closer so people who cannot walk far can reach the door.

Do not park or stop your vehicle in a parking space reserved for disabled people unless you have a disabled license plate or disability placard.

A lane-use sign with a straight-ahead arrow and the word ONLY means no turns from that lane.

Drivers beside you expect your lane to go straight, so a sudden turn from it cuts across their path.

No turns from this lane.

Where lane-use signs show lane 1 must go left, lane 2 is optional: either left or straight ahead.

Knowing which lane allows which move lets you pick your lane early instead of cutting across at the line.

Lane 1 must go left. Lane 2 is optional, either left or straight ahead.

A CENTER LANE ONLY sign with left-turn arrows means enter that lane only to make a left turn.

Drivers from both directions turn left from the center lane, so anyone using it for anything else may meet them head-on.

Enter this lane only to make a left turn.

You must not pass in a center left-turn lane.

A car passing in the center lane can run head-on into a driver waiting there to turn.

You must not pass in this lane.

What does a 4-WAY or ALL WAY plate below a stop sign mean?

All traffic coming to it must stop. Knowing that every driver must stop tells you to take turns rather than expect cross traffic to keep going. Oklahoma Driver Manual, p.19: “Added below a stop sign, means all traffic approaching this intersection must stop.”