Chapter 4-2: Traffic lights

The “Traffic Lights” section of the Ontario truck driver knowledge test assesses a driver’s understanding of signal lights and their meanings.

Ontario Truck Driver Test - Chapter 4-2: Traffic lights

1 / 5

What does a green traffic light mean you may do?

Only go straight without yielding

Turn right only without stopping

Stop and wait for a yellow light

Turn left, go straight, or turn right after yielding to vehicles and pedestrians already in the intersection

2 / 5

What does a red traffic light require you to do?

Proceed if you are turning right

Bring your vehicle to a complete stop

Slow down but keep moving

Stop only if there are other cars present

3 / 5

If there is no marked stop line at a red light, where must you stop first?

Before entering the block

In the middle of the intersection

At the crosswalk, whether it is marked or not

Anywhere as long as you eventually stop

4 / 5

If there is no stop line, crosswalk, or sidewalk at a red light, where must you stop?

At the edge of the intersection

One car length past the traffic light

Next to the nearest parked car

After you have entered the intersection

5 / 5

What should you do when facing a yellow (amber) traffic light?

Stop only if you see pedestrians

Stop if you can do so safely; otherwise, proceed with caution

Ignore it and drive as if it were green

Speed up to get through the intersection quickly

Your score is

Truck drivers must know how to respond to red, yellow, and green lights, as well as flashing signals and arrows. This section also includes questions on pedestrian signals and advanced green lights. Understanding traffic lights is vital for safe and legal driving, especially at busy intersections. Drivers should be able to interpret signals quickly and react appropriately to ensure road safety. A thorough study of the Official MTO Truck Handbook and practice tests will help candidates master this section.