Traffic Engineering and Management — Summer 2022

As per IRC, mention the weight and maximum dimensions allowed in India.

What is bottleneck? Discuss the assumptions in Lighthill and Witham’s theory.

Explain how the speed and delay studies are carried out.

What is the need for traffic forecasting?

Describe types of traffic. How the period traffic forecasting affect the transportation facility?

Discuss traffic forecasting based on past trends.

Explain Oand Dsurvey used for travel demand.

How to collect accident data? Discuss accident situation in Indian context.

Draw condition and collision diagram used for accident study.

Which are the design standards for parking facilities? Discuss in detail.

Which statistical methods are used for analysis of accident data?

Discuss E’s for road accident prevention.

Explain various aspects to be investigated at the time of parking studies.

Discuss advantages and limitations of rotary intersection regarding Indian traffic conditions.

Differentiate grade separated and at grade intersections

Explain various types of traffic signals. How the signal timings are decided?

Describe warrants for traffic signals.

Explain various design factors considered in rotary intersection design.

Design an isolated fixed time 2 – phase traffic signal for following design hour traffic flow for a right-angled intersection. Design optimum cycle length using Webster’s formula and sketch timing diagram and phase diagram. Flow/legs North East South West Flow q in PCU/hr 1250 1350 900 930 Flow s in PCU/hr 3000 3500 2750 25501

Discuss the concept of level of service at the time of deciding the capacity of the highway

Show conflict point diagram for one way and two way traffic system

Discuss PCU for rural and urban area according to stated in Indo-HCM.

List out the factors affecting highway capacity and level of service.

Discuss role of ITS in traffic management system

How theoretical capacity of highway is determined? Also explain basic capacity and practical capacity of highway.