MTO Roadway Design & Engineering 3

Question 1

In traffic engineering, what does 'LOS' stand for?

Accepted Answer

Level of Service

Answer

LOS (Level of Service) is a qualitative measure describing traffic flow conditions, ranging from A (free flow) to F (forced/breakdown flow).

Question 2

What is the minimum recommended sight distance at a railroad grade crossing called?

Accepted Answer

Crossing sight distance

Answer

Crossing sight distance (also called highway-rail grade crossing sight distance) is the minimum distance a driver must be able to see approaching trains.

Question 3

A 'crest vertical curve' is used when:

Accepted Answer

The road profile forms a hill or high point

Answer

A crest vertical curve connects an ascending grade to a descending grade, forming a summit or high point in the road profile.

Question 4

Which of the following best describes 'context-sensitive design' in roadway engineering?

Accepted Answer

Balancing roadway function with community values and environmental context

Answer

Context-sensitive design balances transportation function with the surrounding community, environmental, and aesthetic context to develop appropriate roadway solutions.

Question 5

What is the purpose of a 'taper' in a lane drop or merge area?

Accepted Answer

To gradually transition vehicles from one lane to another over a distance

Answer

A taper provides a gradual transition zone that allows drivers to merge or diverge smoothly and safely over an appropriate distance.

MTO - Ministry of Transportation Practice Test

MTO - Ministry of Transportation Practice Test

MTO Roadway Design & Engineering 3