G1 Road Signs Practice Test

Signs, traffic lights and pavement markings, with answers.

Road signs are a big part of the Ontario G1 knowledge test. These free questions cover regulatory and warning signs, traffic lights, railway crossings and pavement markings. Look at each sign, pick your answer, then tap Show answer to see the explanation.

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Question 1 · Traffic Signs
You approach this sign at an intersection. What must you do?
1. A. Slow down and continue
2. B. Come to a complete stop
3. C. Stop only if another vehicle is approaching
4. D. Honk and proceed
Show answer
Answer: B. Come to a complete stop
A stop sign requires you to come to a complete stop.
Question 2 · Railway Crossings
What should you do when approaching this sign?
1. A. Speed up to cross quickly
2. B. Reduce speed, check in both directions and be ready to stop
3. C. Stop only if you can see a train
4. D. Pass any vehicle that has stopped
Show answer
Answer: B. Reduce speed, check in both directions and be ready to stop
Near a railway crossing, ease off, check both ways for trains and be ready to stop.
Question 3 · Traffic Lights
What does a solid red traffic light require you to do?
1. A. Stop
2. B. Proceed if there is no traffic
3. C. Speed up before the light changes
4. D. Proceed if another driver signals you
Show answer
Answer: A. Stop
A solid red traffic light requires you to stop.
Question 4 · Pavement Markings
What does the white line in this picture divide?
1. A. Vehicles heading in opposite directions
2. B. Vehicles heading the same way
3. C. Roads from sidewalks only
4. D. School zones from other areas
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Answer: B. Vehicles heading the same way
A white line divides lanes of vehicles that are moving the same way.
Question 5 · Traffic Signs
What does this sign require you to do?
1. A. Always come to a complete stop
2. B. Speed up before entering the intersection
3. C. Give way to other vehicles, stopping only if you need to
4. D. Proceed without checking for traffic
Show answer
Answer: C. Give way to other vehicles, stopping only if you need to
A yield sign tells you to give way to others. You only stop when that is needed to let them through.
Question 6 · Traffic Lights
When is a left turn on a red light permitted?
1. A. Turning from one one-way street into another, after stopping fully
2. B. On any two-way road with no traffic
3. C. When you signal and the way is clear
4. D. When there is a left-turn lane
Show answer
Answer: A. Turning from one one-way street into another, after stopping fully
A left on red is allowed only from a one-way street into another one-way street, and only after a full stop.
Question 7 · Pavement Markings
A continuity line along the left side of your lane usually indicates:
1. A. You must stop
2. B. The road is for HOV vehicles only
3. C. Your lane is about to finish or become an exit, so shift over to keep travelling the same way
4. D. Passing is prohibited
Show answer
Answer: C. Your lane is about to finish or become an exit, so shift over to keep travelling the same way
Continuity lines signal that your lane is about to end or leave the road; move over if you want to keep going the same way.
Question 8 · Traffic Signs
What does a red circle with a diagonal line through a symbol generally mean?
1. A. The action is required
2. B. The action is recommended
3. C. That behaviour is prohibited
4. D. The sign applies only at night
Show answer
Answer: C. That behaviour is prohibited
A red circle crossed by a slash usually prohibits whatever the symbol depicts.
Question 9 · Traffic Lights
What must you do at this signal?
1. A. Slow down and proceed
2. B. Proceed if no traffic is coming without stopping
3. C. Treat it like a yield sign
4. D. Stop completely, then continue once you have checked the way is clear
Show answer
Answer: D. Stop completely, then continue once you have checked the way is clear
Stop fully at a flashing red light, then go through after confirming it is safe.
Question 10 · Pavement Markings
What does the yellow line in this picture divide?
1. A. Vehicles heading the same way
2. B. Vehicles heading in opposite directions
3. C. Bike lanes from vehicle lanes
4. D. Parking from driving lanes
Show answer
Answer: B. Vehicles heading in opposite directions
A yellow line divides lanes of vehicles that are moving toward each other.
Question 11 · Traffic Signs
What does this sign warn drivers about?
1. A. A mandatory stop at every school
2. B. A railway crossing
3. C. A school zone where extra caution is required
4. D. A road reserved for school buses
Show answer
Answer: C. A school zone where extra caution is required
A school-zone sign warns drivers that they are entering a school zone and should slow down and use extra caution.
Question 12 · Traffic Lights
A pedestrian facing this signal:
1. A. Must wait for vehicles to clear
2. B. Should only cross at a crossover
3. C. May cross, and vehicles must yield to them until they reach the other side
4. D. May cross only if no vehicles are turning
Show answer
Answer: C. May cross, and vehicles must yield to them until they reach the other side
Someone on foot who is crossing on this signal takes priority over every vehicle until they are across.
Question 13 · Pavement Markings
A white arrow painted in your lane tells you:
1. A. You can go any direction
2. B. You must stop
3. C. You can overtake vehicles ahead
4. D. You must travel only the way the arrow points
Show answer
Answer: D. You must travel only the way the arrow points
Lane arrows limit you to the direction shown.
Question 14 · Traffic Signs
What does this sign mean?
1. A. A divided road begins, with each direction on its own roadway
2. B. The highway ends
3. C. Two-way traffic is on one road ahead
4. D. The road narrows to one lane
Show answer
Answer: A. A divided road begins, with each direction on its own roadway
The sign warns that the road ahead is divided, so opposing traffic uses separate roadways.
Question 15 · Traffic Lights
What does this signal mean?
1. A. You have the right-of-way over everything in the intersection
2. B. You must stop if any vehicle is waiting
3. C. You may continue straight or turn left or right, once vehicles and pedestrians still in the intersection have cleared
4. D. You may only go straight
Show answer
Answer: C. You may continue straight or turn left or right, once vehicles and pedestrians still in the intersection have cleared
A green light permits you to go, but anyone still in the intersection gets to finish first.
Question 16 · Pavement Markings
How is a crosswalk like the one in this picture marked?
1. A. A single yellow line
2. B. Two solid yellow lines
3. C. A pair of white lines running side by side across the roadway
4. D. A white X in each lane
Show answer
Answer: C. A pair of white lines running side by side across the roadway
Pedestrian crossings are outlined with two white lines across the road.
Question 17 · Traffic Signs
What should you do when you see this sign?
1. A. Speed up to merge
2. B. Stop immediately
3. C. Turn on high beams
4. D. Reduce speed
Show answer
Answer: D. Reduce speed
A roundabout is coming up, so slow down. Vehicles circulate around it counter-clockwise.
Question 18 · Traffic Lights
The traffic signals at an intersection look like this because of a power failure. You must:
1. A. Proceed without stopping
2. B. Stop only if a vehicle is on your left
3. C. Follow the vehicle ahead
4. D. Give way to traffic already in the intersection and to traffic approaching on your right
Show answer
Answer: D. Give way to traffic already in the intersection and to traffic approaching on your right
Dead signals mean the intersection works like one with no controls, so use the right-of-way rules.
Question 19 · Traffic Signs
What kind of information does a sign like this one usually give?
1. A. Temporary construction detours
2. B. A change in the speed limit
3. C. Guidance on destinations and how far away they are
4. D. A hazard ahead
Show answer
Answer: C. Guidance on destinations and how far away they are
Green signs with white lettering tell you where places are and how far away they are.
Question 20 · Traffic Signs
Who may use a parking space marked with this sign?
1. A. Only vehicles with a current accessible parking permit on display
2. B. Anyone parking for under 15 minutes
3. C. Any vehicle with its hazard lights on
4. D. Delivery vehicles only
Show answer
Answer: A. Only vehicles with a current accessible parking permit on display
Such spaces are reserved for vehicles showing a current Accessible Parking Permit.