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Class II two-lane highway needs to be redesigned for an area with rolling terrain. There are...

Class II two-lane highway needs to be redesigned for an area with rolling terrain. There are 380 vehicles traveling in the analysis direction and 300 vehicles are traveling in the opposing direction. The PHF is 0.92. The traffic stream includes 8% large trucks, 2% buses and no recreational vehicles. What is the maximum percentage of no- passing zones effect (fnp) that can be built into the design with LOS D maintained?

using vp= V/PHF • fg • fhv
NOT vp= V/ PHF •N• fhv
Engineering   Civil-Engineering   
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