7. (20 points) A group of transportation students are asked to evaluate the performance of a segment of the l-20/59 in Tuscaloosa Alabama area in January 2020. During the study

period the following information was collected during the traffic study: Six-lane freeway (three lanes in each direction); Lane-width = 12 ft; Eastbound right-side lateral clearance = 3 ft Commuter traffic (regular users) Measured eastbound hourly volume2500 veh/hr Peak hour factor (PHF) = 0.91 Traffic composition: 5% trucks and buses; 1% RVs Ramp density = 3 ramps/mi. Using the Highway Capacity Manual's Operational Analysis application, determine the Level of Service (LOS) of the eastbound lanes during the study period. (Note: You must show necessary steps to get full credit for this question.)