assume a 5- lane highway with the following characteristics, 1 mile long, level grade 50 mph BFFs, 12-ft lane width, two-way left-turn lane (TWLTL) in the center, 1500 v/h/in peak hour volume,6% trucks/ buses, 0.90 PHF, 10 access points/mile on each side of the roadway, 12 ft minimum lateral clearance on either side. base on the given condition determine for the peak hour: Free flow speed, average travel speed, Density, Level of service