A 2 lane highway has lane width of 2.75m, width 1.83m clear hard shoulders.There are no passing zones along 40%of its length.The directional split is 70/30 in favour of the peak direction.The percentage of the various heavy vehicles types are : trucks Pt-10%

buses Pb-4% Cars PC-2% the terrain is rolling calculate the service flow of the highway when running at full capacity