Traffic Engineering(Departmental Elective - II) — Summer 2020

Explain various static vehicle characteristics affecting road design and traffic performance.

Explain about the elements involved in traffic operation.

Explain intersection volume count survey with typical survey format.

Indicate and explain how spacing of street lighting is decided.

Explain various design factors for street lighting.

Explain about visual factors of road users.

Explain the psychological factors of road users.

Explain Enoscope method to measure spot speed of vehicle.

What is condition and collision diagram ? Draw collision diagram of a typical accident spot.

State methods of origin and destination studies. Explain any one in detail.

Illustrate with an example about time mean speed and space mean speed.

What are the causes of accidents ? State the purposes of accident studies.

Explain the methods of presentation of time and delay study data.

Explain types of pavement markings.

Define following with respect to traffic signal : Cycle length, Interval, Intergreen period, Peak hour factor

Draw any ten traffic mandatory signs.

Draw a sketch of typical pavement marking at a Tjunction.

Explain Webster’s method of design of traffic signal.

Draw any ten traffic warning signs.

Give classification of at grade intersections.

Define: Luminuous intensity, Metre candle, Illumination,

Explain the principles of intersection design.

What is conflict point ? Show conflict points on one way cross road with one way regulation movement.

Define: Luminous flux, Lumen, Candela, Glare

What is the principle of rotary intersection ? Write advantages and disadvantages of rotary intersection.