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

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

At the edge of the sidewalk

In the middle of the crosswalk

At the edge of the intersection

At the stop line

2 / 30

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

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

To indicate school zones

To show locations of emergency services only

To mark construction zones

3 / 30

What is the usual shape and colour of warning signs?

Square, red background with white letters

Triangle, fluorescent yellow/green background

Rectangular, green background with white letters

Diamond-shaped, yellow background with black letters or symbols

4 / 30

How may bilingual messages appear on road signs?

Only in English on the front and French on the back

Only in electronic variable message boards

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

Only on separate signs far apart

5 / 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

In the middle of the intersection

Past the sidewalk

6 / 30

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

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

Ignore it if you do not see a train immediately

Speed up to clear the tracks quickly

Stop only if the gates are down

7 / 30

What does a green circle on a regulatory sign mean?

You may or must do the activity shown

The activity is not allowed

It is a recommended speed

There is a temporary condition ahead

8 / 30

What do temporary condition signs warn of?

Railway crossings only

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

Permanent speed limit changes

School zones only

9 / 30

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

Square, white background

Diamond-shaped, orange background with black letters or symbols

Rectangular, green background

Diamond-shaped, yellow background with black letters

10 / 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

11 / 30

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

They must be illuminated by red lights only

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

They must be removed at night

They must be blue instead of yellow

12 / 30

What does the slow-moving vehicle sign look like?

Orange triangle with a red border

Rectangular orange sign with black letters

White triangle with a black border

Diamond-shaped yellow sign

13 / 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

14 / 30

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

A reflective triangle on the bumper only

A sign that says “WIDE TURN” only

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

A flashing green light only

15 / 30

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

Triangle, white background with a red border

Triangle, yellow background with black border

Diamond, yellow background with black symbols

Square, red background with white letters

16 / 30

What do warning signs tell you?

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

Locations of rest areas only

Parking regulations only

That your lane is ending immediately

17 / 30

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

To anticipate extended length and limited speed when preparing to pass

So you can follow it closely for drafting

To know that it is carrying dangerous goods

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

18 / 30

What must you do at a yield sign?

Honk your horn and proceed through

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

Let traffic in or close to the intersection go first

Always stop and remain stopped until a police officer directs you

19 / 30

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

Assume it applies only to local residents

Stop and call police for clarification

Ignore the sign if it is not in your first language

Read the message in the language you understand best

20 / 30

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

With white flags on the roof only

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

21 / 30

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

All vehicles driving over 100 km/h

Only emergency vehicles

Only buses and trucks

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

22 / 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

Rectangular, blue background with yellow letters

Rectangular, green background with white letters

Square, red background with white letters

23 / 30

What do regulatory signs generally do?

Suggest optional driving tips

Indicate tourist attractions only

Give directions that must be obeyed

Warn only of railway crossings

24 / 30

What does a railway crossing sign look like?

Triangle, orange background with black outline

X-shaped, white background with a red outline

Square, red background with white X

Round, yellow background with black X

25 / 30

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

The activity shown is not allowed

Construction is ahead

The activity is recommended

You must yield to oncoming traffic

26 / 30

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

Show that the vehicle is oversized

Mark the vehicle as a school bus

Indicate the vehicle’s maximum speed

Identify the classification and nature of danger of dangerous goods

27 / 30

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

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

Eight-sided, red background with white letters

Diamond-shaped, yellow background with black symbols

Rectangular, green background with white letters

28 / 30

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

A speed limit reminder

A red flashing light

A numbering system to assist in determining an appropriate route

A reflective slow-moving triangle

29 / 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

30 / 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

Honk and pass immediately

Watch for these vehicles and reduce speed as necessary

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.