Traffic Engineering(Departmental Elective - II) — Winter 2020

Explain the various physical factors of road user characteristics.

Explain static and dynamic characteristics of vehicles and their importance.

Enlist the various methods available for traffic volume counts and explain the manual count method

Define the following:1) 85th Percentile Speed 2) Median Speed 3) Space Mean Speed.

What is PCU, explain the factors for deciding the PCU. Give the PCU of cycle, Scooter, Bus, Bullock Cart

Discuss the purpose and methods of conducting Origin and Destination study. Explain any one method of conducting Origin and Destination study

Explain the presentation of spot speed data with help of Cumulative Frequency curve.

What are the causes of road accidents? Also discuss collision and condition diagram with neat sketch.

Explain the design factors for Rotary Intersection with its advantages and disadvantages

Explain the three types of traffic signs with the help of neat sketches

Explain the various types of road markings with the help of neat sketches as per IRC.

Explain in detail the Webster method for designing traffic signals

Define the following terms: Luminous flux, Candela, Overhang.

Define the following: Parking Load, Parking Space Hour, Parking Index, Turn Over

Enlist the types of grade separated intersections. Draw a neat sketch of Full Clover Leaf intersection

Write the importance and functions of traffic control devices

Show the lamp installation at ‘T’ junction, cross-roads and rotary intersection with the help of sketch.

The average normal flow of traffic on cross roads Aand Bduring design 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

Explain the types of parking with the help of sketches.

Write short note on: 1) Accuracy check of O-Ddata 2) Presentation of O-Ddata

Discuss the purpose and method of conducting Public Transportation study.

Explain the causes of accidents and preventive measures to avoid accidents.

Explain the following: 1)Hourly Volume 2) ADT 3)AADT

Discuss the Rotary Design Elements.