Download GTU (Gujarat Technological University Ahmedabad) B.Tech/BE (Bachelor of Technology/ Bachelor of Engineering) 2020 Winter 7th Sem 2170613 Traffic Engineering Previous Question Paper
Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE- SEMESTER?VII (NEW) EXAMINATION ? WINTER 2020
Subject Code:2170613 Date:19/01/2021
Subject Name:Traffic Engineering
Time:10:30 AM TO 12:30 PM Total Marks: 56
Instructions:
1. Attempt any FOUR questions out of EIGHT questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
MARKS
Q.1 (a) Explain the various physical factors of road user characteristics.
03
(b) Explain static and dynamic characteristics of vehicles and their
04
importance.
(c) Enlist the various methods available for traffic volume counts and explain
07
the manual count method
Q.2 (a) Define the following:1) 85th Percentile Speed 2) Median Speed 3) Space
03
Mean Speed.
(b) What is PCU, explain the factors for deciding the PCU. Give the PCU of
04
cycle, Scooter, Bus, Bullock Cart
(c) Discuss the purpose and methods of conducting Origin and Destination
07
study. Explain any one method of conducting Origin and Destination study
Q.3 (a) Explain the presentation of spot speed data with help of Cumulative
03
Frequency curve.
(b) What are the causes of road accidents? Also discuss collision and condition
04
diagram with neat sketch.
(c) Explain the design factors for Rotary Intersection with its advantages and
07
disadvantages
Q.4 (a) Explain the three types of traffic signs with the help of neat sketches
03
(b) Explain the various types of road markings with the help of neat sketches
04
as per IRC.
(c) Explain in detail the Webster method for designing traffic signals
07
Q.5 (a) Define the following terms: Luminous flux, Candela, Overhang.
03
(b) Define the following: Parking Load, Parking Space Hour, Parking Index,
04
Turn Over
(c) Enlist the types of grade separated intersections. Draw a neat sketch of Full
07
Clover Leaf intersection
Q.6 (a) Write the importance and functions of traffic control devices
03
(b) Show the lamp installation at `T' junction, cross-roads and rotary
04
intersection with the help of sketch.
(c) The average normal flow of traffic on cross roads A and B during design
07
period 500 and 250 pcu per hour. The saturation traffic flow values on these
roads are estimated as 1200 and 900 pcu per hour respectively. The all red
time required for pedestrian crossing is 12 seconds. Design a two phase
traffic signal by Webster method.
1
Q.7 (a) Explain the types of parking with the help of sketches.
03
(b) Write short note on: 1) Accuracy check of O-D data 2) Presentation of
04
O-D data
(c) Discuss the purpose and method of conducting Public Transportation
07
study.
Q.8 (a) Explain the causes of accidents and preventive measures to avoid
03
accidents.
(b) Explain the following: 1)Hourly Volume 2)
04
ADT 3)AADT
(c) Discuss the Rotary Design Elements.
07
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This post was last modified on 04 March 2021