Traffic Engineering(Departmental Elective - II) — Winter 2021

Define traffic engineering. What is scope of traffic engineering?

Explain (any two) physical factors of road users.

Enlist method of traffic volume study and explain mechanical counters method with advantages.

How do different vehicular characteristics affect road features? Explain briefly.

Discuss presentation of spot speed data with neat sketches.

Explain various methods of Oand Dstudy.

Discuss distribution of light on the street.

Explain about classified traffic volume count survey with observation table.

Explain various types of road marking as per IRC.

Enlist different types of interchanges and explain cloverleaf interchange.

th Define: Space mean speed, time mean speed, 85 Percentile speed.

Explain trial cycle method of signal design.

Describe various traffic signs as per IRC with neat sketches.

Define: Luminous flux, Lumen, Candela.

What is the importance of highway lighting ? State the factors influencing night visibility.

Enlist various types of traffic signals? Explain fixed time signals with its advantages and disadvantages.

Define: Traffic capacity, basic capacity, practical capacity.

Explain design factors for street lighting.

What is Traffic island? Describe it functions, advantages and disadvantages.

Draw fundamental diagrams of traffic flow.

What is PCU? Give factors affecting PCU.

Enlist purposes of travel time and delay study. Also explain fixed delay and operational delay.

Explain AADT and ADT.

Explain various methods of on-street parking.

Explain collision and condition diagram. List preventive measure for road accidents.