Task 3:

(20 Marks)

A class I two-lane highway is on Rolling terrain with a measured free-flow speed of 90 km/h. and 80%

no passing zones. The analysis direction flow rate is 324 veh/h, the opposing direction flow rate is 216

veh/h, and the PHF = 0.87. There are 5% large trucks and 10% recreational vehicles. Determine the

level of services.

Answer