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 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

Speed up to clear the tracks quickly

Ignore it if you do not see a train immediately

2 / 30

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

Maintain speed and follow closely

Turn on hazard lights and stop

Watch for these vehicles and reduce speed as necessary

Honk and pass immediately

3 / 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

4 / 30

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

They must be blue instead of yellow

They must be removed at night

They must be illuminated by red lights only

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

5 / 30

What does the slow-moving vehicle sign look like?

Diamond-shaped yellow sign

White triangle with a black border

Orange triangle with a red border

Rectangular orange sign with black letters

6 / 30

What is the usual shape and colour of warning signs?

Rectangular, green background with white letters

Square, red background with white letters

Triangle, fluorescent yellow/green background

Diamond-shaped, yellow background with black letters or symbols

7 / 30

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

Diamond-shaped, orange background with black letters or symbols

Rectangular, green background

Diamond-shaped, yellow background with black letters

Square, white background

8 / 30

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

Only buses and trucks

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

All vehicles driving over 100 km/h

Only emergency vehicles

9 / 30

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

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

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

10 / 30

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

A flashing green light only

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

A sign that says “WIDE TURN” only

A reflective triangle on the bumper only

11 / 30

What does a school zone sign warn you about?

You must come to a complete stop

You are entering a construction zone

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

You are approaching a railway crossing

12 / 30

What is a long commercial vehicle (LCV)?

A single large truck up to 20 metres in length

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

A vehicle used only in construction zones

Any vehicle carrying dangerous goods

13 / 30

What does a railway crossing sign look like?

Square, red background with white X

Round, yellow background with black X

Triangle, orange background with black outline

X-shaped, white background with a red outline

14 / 30

What must you do at a yield sign?

Always stop and remain stopped until a police officer directs you

Honk your horn and proceed through

Let traffic in or close to the intersection go first

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

15 / 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

16 / 30

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

Triangle, red background with white letters

Eight-sided, red background with white letters

Rectangle, red background with black letters

Eight-sided, yellow background with black letters

17 / 30

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

Construction is ahead

The activity shown is not allowed

You must yield to oncoming traffic

The activity is recommended

18 / 30

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

At the edge of the sidewalk

At any convenient point

Past the sidewalk

In the middle of the intersection

19 / 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

20 / 30

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

At the edge of the intersection

At the stop line

In the middle of the crosswalk

At the edge of the sidewalk

21 / 30

How may bilingual messages appear on road signs?

Only on separate signs far apart

Only in electronic variable message boards

Only in English on the front and French on the back

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

22 / 30

What does a green circle on a regulatory sign mean?

There is a temporary condition ahead

You may or must do the activity shown

It is a recommended speed

The activity is not allowed

23 / 30

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

Diamond, yellow background with black symbols

Square, red background with white letters

Triangle, yellow background with black border

Triangle, white background with a red border

24 / 30

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

Read the message in the language you understand best

Ignore the sign if it is not in your first language

Assume it applies only to local residents

Stop and call police for clarification

25 / 30

What do regulatory signs generally do?

Give directions that must be obeyed

Suggest optional driving tips

Indicate tourist attractions only

Warn only of railway crossings

26 / 30

What do temporary condition signs warn of?

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

School zones only

Railway crossings only

Permanent speed limit changes

27 / 30

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

Show that the vehicle is oversized

Indicate the vehicle’s maximum speed

Mark the vehicle as a school bus

Identify the classification and nature of danger of dangerous goods

28 / 30

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

No special markings are required

With white flags on the roof only

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

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

29 / 30

What do warning signs tell you?

That your lane is ending immediately

Locations of rest areas only

Parking regulations only

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

30 / 30

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

Rectangular, green background with white letters

Rectangular, blue background with yellow letters

Diamond-shaped, yellow background with black letters

Square, red background with white letters

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.