This set of Traffic Engineering Multiple Choice Questions & Answers (MCQs) focuses on “Purpose of OD Studies”.
1. Which of the following is not an objective of OD Studies?
a) To determine the amount of by passable traffic that enters a town and thus establishes the need for diversion
b) To develop trip generation and trip distribution models
c) To determine the potential of the present highway system and plan for new facilities
d) To assess the pedestrian pattern
Explanation: To assess the pedestrian pattern is an objective of OD Studies. To determine the amount of by passable traffic that enters a town and thus establishes the need for diversion, to develop trip generation and trip distribution models, and to determine the potential of the present highway system and plan for new facilities are some of the objectives of OD Studies.
2. What do you mean by trips?
a) One-way movement of a person from origin to destination
b) Two-way movement of a person from origin to destination
c) Continuous movement
d) A movement that is more than 50 kms
Explanation: Trip is a one-way movement of a person form origin to destination i.e. from start to where the person is going. OD Studies are used to determine and analyse trips.
3. Trips are classified into how many categories?
Explanation: Trips are classified into 3 categories and they are internal, external, and through. Internal trip is from one point on post to another point on post, external trip is from on-post to off-post or vice versa and through is from off-post to off-post.
4. Which one of the following is not a common application OD survey?
a) Weaving-area studies
b) Freeway studies
c) Major activity centre studies
d) Traffic volume studies
Explanation: Weaving-area studies, freeway studies, and major activity centre studies are some of the applications of origin-destination studies. Traffic volume studies is not an application of OD studies.
5. OD surveys are conducted to study the pattern of persons and goods in a specific area of study during a certain period of time.
Explanation: The statement, “OD surveys are conducted to study the pattern of persons and goods in a specific area of study during a certain period of time” is true. They are also used to plan new facilities.
6. Why are screen lines required?
a) To check the accuracy
b) To divide different types of vehicles
c) To divide different types of goods and passengers
d) To divide areas into urban and rural
Explanation: Screen lines are required to check the accuracy of the survey data. More the screen line more accurate is the data collected. Screen line divides an area into two or more parts. Physical barriers are also considered as screen line in some cases.
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