3. An urban radial freeway is to be designed on the basis of the following information: des year average annual daily tr
Posted: Fri Mar 04, 2022 9:56 am
3. An urban radial freeway is to be designed on the basis of the following information: des year average annual daily traffic, AADT = 82,000 veh/day, with the peak-hour fract of AADT (K) estimated at 10% and a peak directional proportion (D) of 0.55; 10% bus 5% recreational vehicles, 10% trucks, peak-hour factor of the traffic is 0.90: level terrain- extended section, no lateral obstructions; design standard-LOS D. Determine the nun ber of lanes needed if the estimated FFS = 65 mph.