Consider a T-shaped signalized intersection with the following geometric conditions and arrival vehicular flows in pcu/h...

Consider a T-shaped signalized intersection with the following geometric conditions and arrival vehicular flows in pcu/h as shown below. Assume the following:

▪ Left turn from the exclusive left-turn lane of northbound traffic (Lane NB1) is protected.

▪ Left turn from the shared left-turn and through lane of westbound traffic (Lane WB 1) is protected.

▪ The saturation flow rate for the exclusive left turn lane is 1785 pcu/hour. The saturation flow rates for all other lanes are 1700 pcu/hour.

▪ Amber of 3 sec. and all red of 2 sec. follow each through/right-turn green interval.

▪ Amber of 3 sec. follows the protected left-turn green interval.

▪ The pedestrian walk speed is 1.0 m/s and the pedestrian clearance time is 5 s.

Determine the designed signal timing. Present the duration of green and intergreen intervals for all phases in a tabular form

Expert Solution

Ally Wells answered 1 year ago

An approach to a signalized intersection has a saturation flow rate of 1800 veh/h. At the...

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