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

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

They must be removed at night

They must be blue instead of yellow

They must be illuminated by red lights only

2 / 30

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

Triangle, red background with white letters

Rectangle, red background with black letters

Eight-sided, yellow background with black letters

Eight-sided, red background with white letters

3 / 30

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

Watch for these vehicles and reduce speed as necessary

Maintain speed and follow closely

Honk and pass immediately

Turn on hazard lights and stop

4 / 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

Stop and call police for clarification

Read the message in the language you understand best

Assume it applies only to local residents

5 / 30

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

At any convenient point

In the middle of the intersection

Past the sidewalk

At the edge of the sidewalk

6 / 30

How may bilingual messages appear on road signs?

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

Only in English on the front and French on the back

7 / 30

What do warning signs tell you?

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

That your lane is ending immediately

Parking regulations only

Locations of rest areas only

8 / 30

What do regulatory signs generally do?

Give directions that must be obeyed

Warn only of railway crossings

Indicate tourist attractions only

Suggest optional driving tips

9 / 30

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

At the stop line

At the edge of the sidewalk

In the middle of the crosswalk

At the edge of the intersection

10 / 30

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

Diamond-shaped, orange background with black letters or symbols

Square, white background

Rectangular, green background

Diamond-shaped, yellow background with black letters

11 / 30

What does the slow-moving vehicle sign look like?

White triangle with a black border

Diamond-shaped yellow sign

Orange triangle with a red border

Rectangular orange sign with black letters

12 / 30

What does a railway crossing sign look like?

X-shaped, white background with a red outline

Round, yellow background with black X

Square, red background with white X

Triangle, orange background with black outline

13 / 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

So you can follow it closely for drafting

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

14 / 30

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

Diamond-shaped, yellow background with black letters

Square, red background with white letters

Rectangular, blue background with yellow letters

Rectangular, green background with white letters

15 / 30

What is a long commercial vehicle (LCV)?

Any vehicle carrying dangerous goods

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

A vehicle used only in construction zones

A single large truck up to 20 metres in length

16 / 30

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

To indicate school zones

To show locations of emergency services only

To mark construction zones

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

17 / 30

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

Show that the vehicle is oversized

Identify the classification and nature of danger of dangerous goods

Indicate the vehicle’s maximum speed

Mark the vehicle as a school bus

18 / 30

What do temporary condition signs warn of?

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

Railway crossings only

Permanent speed limit changes

School zones only

19 / 30

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

The activity shown is not allowed

The activity is recommended

You must yield to oncoming traffic

Construction is ahead

20 / 30

What does a green circle on a regulatory sign mean?

There is a temporary condition ahead

The activity is not allowed

You may or must do the activity shown

It is a recommended speed

21 / 30

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

Square, red background with white letters

Triangle, yellow background with black border

Triangle, white background with a red border

Diamond, yellow background with black symbols

22 / 30

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

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

Only emergency vehicles

All vehicles driving over 100 km/h

Only buses and trucks

23 / 30

What must you do at a yield sign?

Always stop and remain stopped until a police officer directs you

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

Let traffic in or close to the intersection go first

Honk your horn and proceed through

24 / 30

What is the usual shape and colour of warning signs?

Diamond-shaped, yellow background with black letters or symbols

Rectangular, green background with white letters

Triangle, fluorescent yellow/green background

Square, red background with white letters

25 / 30

What does a school zone sign warn you about?

You are entering a construction zone

You must come to a complete stop

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

You are approaching a railway crossing

26 / 30

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

A reflective slow-moving triangle

A numbering system to assist in determining an appropriate route

A red flashing light

A speed limit reminder

27 / 30

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

Eight-sided, red background with white letters

Diamond-shaped, yellow background with black symbols

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

Rectangular, green background with white letters

28 / 30

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

Ignore it if you do not see a train immediately

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

Stop only if the gates are down

Speed up to clear the tracks quickly

29 / 30

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

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

A reflective triangle on the bumper only

A sign that says “WIDE TURN” only

A flashing green light only

30 / 30

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

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

No special markings are required

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

With white flags on the roof 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.