5. The equation c = 2300 NWBT can be used to roughly estimate highway capacity, where c is the capacity in each directio
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5. The equation c = 2300 NWBT can be used to roughly estimate highway capacity, where c is the capacity in each directio
5. The equation c = 2300 NWBT can be used to roughly estimate highway capacity, where c is the capacity in each direction (veh/hr), N is the number of lanes in each direction, Wis a design adjustment factor, B. is the bus traffic adjustment factor, and T, is the truck traf- fic adjustment factor. A highway has, initially, four lanes and is designed with the following adjustment factors: W = 1,7-1, and B. = 1. Calculate the change in capacity of the highway if one lane is used for buses only (i.c., B. - 0.25 for the bus-only lane).
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