An existing 4-lane dual carriageway highway with a base free flow speed 100 km/h

Question

An existing 4-lane dual carriageway highway with a base free flow speed 100 km/hr is expected to experience an estimated 10% traffic growth rate. Currently, it has directional design hourly volume (DDHV) of 1800 veh/hr (comprises of 80% car/taxi/van, 5% motorcycles, 10% buses, 2% trucks, and 3% RV) with a peak hour factor (PHF) of 0.95. The highway is located at following terrain with the K and D factor has been estimated to be 0.15 and 0.60 respectively. The lanes are 3.3 m wide with 1.2 m obstruction on both sides of the highway and the adjacent highway segments have an average of 0.2 interchanges/km. (a) Calculate the estimated number of traffic operating the highway in a day. (b) Determine the level of service (LOS) that the highway is currently operates. (c) Determine at what year the highway will reach capacity.

Explanation / Answer

Please mention the question clearly. Some clarity was missing in question a. Please revise the question and send it again. Otherwise you may get wrong explanations. Dont think otherwise.

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