(Solved): An eight-lane freeway (four lanes in each direction) is on a Level Terrain and has 12-ft lanes wit ...

An eight-lane freeway (four lanes in each direction) is on a Level Terrain and has 12-ft lanes with a 5-ft right-side shoulder. The total ramp density is 2.0 ramps per mile. The directional peak-hour traffic volume is 5250 vehicles with 6% large trucks and 4% buses (no recreational vehicles). The traffic stream consists of regular users and the PHF is 0.90. It has been decided that large trucks will be banned from the freeway during the peak hour. A. Find the Free Flow Speed. o 69 mph o 70 mph 65 mph 68 mph