Traffic Engineering(Departmental Elective - II) — Winter 2019

Explain PIEV theory in brief.

Explain vehicular characteristics in brief.

Define traffic engineering. What is the scope of traffic engineering?

List out various regulatory signs and Draw any five.

Write the advantages and disadvantages of manual count in traffic volume study.

What are the design factors to be considered in traffic rotary?

Write a note on Grade separated intersections.

Draw following for spot speed data presentation graphically.

Histogram and frequency distribution curve. ii) Cumulative frequency curve

Write a note about fixed time signals.

Explain pavement road markings as per IRC.

Write the factors affecting PCU.

Discuss about Informatory sign in brief.

The following information was collected during ‘Moving observer study’ on a 0.8 km road length. Journey Journey Sr Data type North South No. bound bound 1 Journey time (minutes) 0.94 1.06 2 Stopped time ( minutes) 0.10 0.09 3 Vehicle met in the opposite direction Car 10 Bus 3 Truck 2 0 Motor cycle 6 4 Number of overtaking vehicles 2 5 Number of overtaken vehicles 1 Determine flow in both the directions in PCU/hr. Also find journey speed and running speed.

Define the following:

Traffic volume ii) PCU iii) Space mean speed

Write the causes of accidents.1

Explain off-street parking methods in detail.

Define the following:

Time mean speed ii) Modal speed iii) AADT

Enlist the methods for the travel time and delay study. Explain any one in detail.

Explain collision and condition diagram.

Draw figures of channelized intersections.

Define the following:

Luminous flux ii) Lumen iii) Luminous intensity iv) Candela

Describe the factors to be considered in the design of street lighting.

Write advantages and disadvantages of traffic island.

Explain the types of light sources.

Explain the fundamental factors of night vision.