This set of Traffic Engineering Multiple Choice Questions & Answers (MCQs) focuses on “Methods of Data Collection”.
1. How many methods are used for the origin-destination study?
a) 6
b) 1
c) 5
d) 4
View Answer
Explanation: There are 6 methods for conducting the origin-destination study. The data collected from these studies help to modify or plan the pattern of the road. It also helps to compare the current and future potential of the road.
2. Which among the following is an origin-destination study?
a) Licence plate mail-out method
b) Traffic mass study
c) Floating car method
d) Average speed method
View Answer
Explanation: Licence plate mail-out method is an origin-destination study by which data is collected to help develop trip generation and trip distribution models and to determine the potential of the present highway system and plan for new facilities.
3. In which of the following origin-destination study licence plate numbers of vehicles are recorded?
a) Licence plate mail-out method
b) Roadside interview
c) Phone survey
d) Mail back postcard survey
View Answer
Explanation: In Licence plate mail-out method of origin-destination study, licence plate numbers of vehicles are recorded on a selected roadway and the owner of the vehicle is traced and mail survey is sent to the owner.
4. How many methods can be used for obtaining licence plate number of the vehicles in Licence plate mail-out method of origin-destination study?
a) 2
b) 3
c) 4
d) 5
View Answer
Explanation: There are 2 methods by which licence plate number of the vehicles can be obtained by Licence plate mail-out method of origin-destination study. Taking photo or video or manually recording the tag on the vehicle are the two methods of recording licence plate number of the vehicles.
5. Which among the four method is preferred for high volume highways?
a) Photo/video
b) Manual recording
c) Interview
d) Questionnaire
View Answer
Explanation: Taking a photo/video is usually preferred for high volume highways when study is carried out by Licence plate mail-out method. Manual recording is generally preferred for low and medium volume highways.
6. Which of the following method has no disruption to normal traffic flow?
a) Licence plate mail-out method
b) Roadside interview
c) Questionnaire
d) Toll booths
View Answer
Explanation: Licence plate mail-out method is the origin-destination study which has no disruption to normal traffic flow because this method does not require vehicles to be stopped during the survey. The surveyor takes a photograph or video and records it without interrupting the flow of traffic.
7. Which of the following origin-destination study requires directing vehicles to a designated interview area and asking a series of short questions?
a) Licence plate mail-out method
b) Roadside interview
c) Phone survey
d) Mail back postcard survey
View Answer
Explanation: Roadside interview is the origin-destination study which requires directing vehicles to an assigned interview area and asking a series of short questions. The interview is a standard questionnaire regarding the origin and destination of vehicle that the owner of the vehicle has to answer.
8. Which of the following is not an advantage of Roadside interview method?
a) High response rate
b) Good sampling control
c) Broad geographic coverage
d) No interruption to traffic
View Answer
Explanation: Roadside interview method disrupts the flow of traffic. Other than that it is a very productive technique since it has a high response rate, good sampling control, and broad geographic coverage.
9. Roadside interview method is widely used for _________
a) Truck and auto trip collection
b) Village roads
c) National highways
d) Mountainous roads
View Answer
Explanation: Roadside interview method is widely used for truck and auto trip collection. This is because roadside interview method has a high response rate and good sampling control. This method provides complete information.
10. Which of the following is the primary disadvantage of Roadside interview method?
a) Traffic disruption
b) Requires more manpower
c) Skilled surveyors
d) Huge set of data
View Answer
Explanation: Traffic disruption is the primary disadvantage of Roadside interview method. This method requires more traffic control at the location of the survey. But this method provides complete information.
11. When is mail-back postcard surveys usually used?
a) When traffic volume is high
b) When traffic volume is low
c) When traffic is homogeneous
d) When traffic is heterogeneous
View Answer
Explanation: Mail-back postcard surveys is usually used when traffic volume is high. This method has less traffic disruption compared to Roadside interview method.
12. How is mail-back postcard surveys conducted?
a) Postcard with a brief questionnaire
b) Via email
c) Via post
d) Postcard with an elaborate questionnaire
View Answer
Explanation: Mail-back postcard surveys are usually conducted using a postcard with brief questionnaire. The postcard is distributed to motorists at rest stations or at signalised intersections.
13. Which of the following is an advantage of the mail-back postcard survey?
a) Less personnel required
b) Skilled personnel required
c) More personnel required
d) High response rate
View Answer
Explanation: Mail-back postcard survey requires less personnel. In this method, the postcard is distributed quickly at rest stops or signalised intersections. It has less impact on traffic. This survey has a low response rate.
14. Phone surveys are usually used for ___________
a) household travel survey
b) pedestrian survey
c) traffic volume
d) traffic flow
View Answer
Explanation: Phone surveys are usually used for Household travel survey. This method has a higher response rate than mail-back postcard survey and lower response rate than the road interview method.
15. Which of the following method used cell phone tracking technology?
a) Phone surveys
b) Mail-back postcard survey
c) Road interview method
d) GPS
View Answer
Explanation: GPS(Global Positioning System) uses cell phone tracking technology to determine origin-destination data for planning models. This method does not disrupt traffic and requires less personnel.
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