Seatwork

A six$-$lane multilane highway section with a full median

carries a peak$-$hour volume of $2800ve\frac{h}{h}r$ in the

heaviest direction. There are $14\%$ trucks and $4\%RVs$ in

the traffic stream. Motorists are primarily regular users

of the facility. The section under study is on a $4\%$

sustained grade, $1$ km in length, with the following

characteristics: posted speed limit $=70k\frac{m}{h}r$;$3\mathrm{.}2-m$

lanes; median clearance of $0\mathrm{.}6$ m ; frequent obstructions

located $1\mathrm{.}2$ m from the right pavement edge; $30$ access

points $\frac{?}{km}$ on the right side of the facility. The PHF is

$0\mathrm{.}90.$ Determine the speed, density, and level of service

at which this facility operates in the upward direction

during the peak hour.