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03000CE366052001

b) The result of a speed study in a highway location is given in the form of a
frequency distribution table. Find the values of upper and lower speed limit to
be implemented for the given location. Draw histogram and cumulative

frequency distribution of given data.

Speed Range km/hr) | Frequency

01-10

PART B
Answer any two full questions, each carries 15 marks.

a) Explain the terms traffic capacity, basic capacity, possible capacity and practical
capacity.

b) Mention and explain the steps involved in determining peak-hour flow rate, free
flow speed and LOS for the level terrain portion of the highway segment of
undivided four-lane highway.

a) Write short notes on Signal Coordination

b) The width of a carriage way approaching an intersection is given as 15 m. The
entry and exit width at the rotary is 10 m. The traffic approaching the
intersection from the four sides (in PCUs / hour) is shown in figure. Find the

capacity of the rotary using the given data.

w ५ 505 0 भ ‏س‎ 8
350 250
510 420 | ३0
4
5

a) Define passenger car unit (PCU). What are the factors upon which PCU value
depends?

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