Chapter 4-1: Signs

The “Signs” section of the Ontario truck driver knowledge test evaluates a candidate’s ability to recognize and understand the meaning of various road signs.

Ontario Truck Driver Test - Chapter 4-1: Signs

1 / 30

What does a railway crossing sign look like?

Triangle, orange background with black outline

Round, yellow background with black X

X-shaped, white background with a red outline

Square, red background with white X

2 / 30

What do warning signs tell you?

Locations of rest areas only

Parking regulations only

That your lane is ending immediately

Dangerous or unusual conditions ahead (e.g., curve, turn, dip, sideroad)

3 / 30

At a stop sign, where must you stop if there is a stop line?

At the stop line

At the edge of the intersection

At the edge of the sidewalk

In the middle of the crosswalk

4 / 30

What is the shape and colour of a typical school zone sign?

Rectangular, green background with white letters

Eight-sided, red background with white letters

Diamond-shaped, yellow background with black symbols

Five-sided, fluorescent yellow/green background with black symbols

5 / 30

What does the slow-moving vehicle sign look like?

Rectangular orange sign with black letters

White triangle with a black border

Orange triangle with a red border

Diamond-shaped yellow sign

6 / 30

What does a green circle on a regulatory sign mean?

It is a recommended speed

There is a temporary condition ahead

The activity is not allowed

You may or must do the activity shown

7 / 30

What is the purpose of dangerous goods safety marks, placards or labels?

Identify the classification and nature of danger of dangerous goods

Indicate the vehicle’s maximum speed

Show that the vehicle is oversized

Mark the vehicle as a school bus

8 / 30

What do some information signs include at the bottom to help emergency vehicles and drivers?

A red flashing light

A numbering system to assist in determining an appropriate route

A speed limit reminder

A reflective slow-moving triangle

9 / 30

What do temporary condition signs warn of?

Unusual temporary conditions like road work, diversions, detours, lane closures

Permanent speed limit changes

Railway crossings only

School zones only

10 / 30

What should you do when you encounter bilingual road signs in designated bilingual areas?

Ignore the sign if it is not in your first language

Read the message in the language you understand best

Stop and call police for clarification

Assume it applies only to local residents

11 / 30

Why is it important to recognize LCV rear signage on the highway?

To anticipate extended length and limited speed when preparing to pass

To know that it is carrying dangerous goods

To know that you have the right-of-way over it

So you can follow it closely for drafting

12 / 30

What are EDR (Emergency Detour Route) signs used for?

To show locations of emergency services only

To indicate school zones

To mark construction zones

To guide traffic around unscheduled highway closures and back onto the highway

13 / 30

What is the usual shape and colour of warning signs?

Square, red background with white letters

Rectangular, green background with white letters

Diamond-shaped, yellow background with black letters or symbols

Triangle, fluorescent yellow/green background

14 / 30

What is the usual colour scheme of information and direction signs that tell you about distances and destinations?

Rectangular, blue background with yellow letters

Diamond-shaped, yellow background with black letters

Rectangular, green background with white letters

Square, red background with white letters

15 / 30

What is the typical shape and background colour of temporary condition signs?

Diamond-shaped, yellow background with black letters

Diamond-shaped, orange background with black letters or symbols

Rectangular, green background

Square, white background

16 / 30

What do regulatory signs generally do?

Warn only of railway crossings

Suggest optional driving tips

Indicate tourist attractions only

Give directions that must be obeyed

17 / 30

What should other drivers do when they see a slow-moving vehicle sign?

Honk and pass immediately

Maintain speed and follow closely

Watch for these vehicles and reduce speed as necessary

Turn on hazard lights and stop

18 / 30

What is the shape and colour pattern of a yield sign?

Triangle, white background with a red border

Square, red background with white letters

Diamond, yellow background with black symbols

Triangle, yellow background with black border

19 / 30

What special requirement applies to oversize load signs when travelling at night?

They must be removed at night

They must be illuminated by red lights only

They must be blue instead of yellow

They must be made of high-intensity, retro-reflective material

20 / 30

What should you do when you see a railway crossing sign?

Slow down, look both ways for trains, and be prepared to stop

Stop only if the gates are down

Ignore it if you do not see a train immediately

Speed up to clear the tracks quickly

21 / 30

What does a school zone sign warn you about?

You are coming to a school zone; slow down and watch for children

You must come to a complete stop

You are approaching a railway crossing

You are entering a construction zone

22 / 30

How may bilingual messages appear on road signs?

Only in English on the front and French on the back

Together on the same sign or on separate signs one after the other

Only on separate signs far apart

Only in electronic variable message boards

23 / 30

What does a red circle with a line through it on a sign mean?

You must yield to oncoming traffic

Construction is ahead

The activity shown is not allowed

The activity is recommended

24 / 30

In addition to flags, what must oversize vehicles/loads display?

A reflective triangle on the bumper only

An “OVERSIZE LOAD” or “D” sign visible from at least 150 metres

A sign that says “WIDE TURN” only

A flashing green light only

25 / 30

Which vehicles must display a slow-moving vehicle sign when on a road?

Only buses and trucks

All vehicles driving over 100 km/h

Only emergency vehicles

Farm tractors, farm implements/machinery and vehicles not capable of sustaining over 40 km/h

26 / 30

What must you do at a yield sign?

Let traffic in or close to the intersection go first

Always stop and remain stopped until a police officer directs you

Honk your horn and proceed through

Proceed without slowing down if you don’t see a stop sign

27 / 30

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

In the middle of the intersection

At any convenient point

Past the sidewalk

At the edge of the sidewalk

28 / 30

What is the shape and colour of a stop sign in Ontario?

Rectangle, red background with black letters

Triangle, red background with white letters

Eight-sided, red background with white letters

Eight-sided, yellow background with black letters

29 / 30

What is a long commercial vehicle (LCV)?

A vehicle used only in construction zones

A double trailer that can be up to 40 metres in length

A single large truck up to 20 metres in length

Any vehicle carrying dangerous goods

30 / 30

How must vehicles/loads in excess of legal dimensions be marked?

With bright red or orange flags at least 40 cm square at the extremities

With white flags on the roof only

No special markings are required

With blue flags at least 20 cm square at the front only

Your score is

Truck drivers must identify regulatory, warning, and information signs to ensure safe and lawful driving. This section covers stop, yield, speed limit, and prohibition signs, as well as signs for lane usage, curves, and pedestrian crossings. Familiarity with these signs is essential for making safe driving decisions, preventing accidents, and complying with Ontario’s road regulations. Studying the official driver’s handbook and practicing with sample questions will help candidates succeed in this critical part of the test.