$9-7$ An urban freeway is to be designed using the following information:

AADT$=52,000ve\frac{h}{?}$ day

$K($proportion of AADT occurring during the peak hour$)$: $0\mathrm{.}11$

$D($proportion of peak hour traffic traveling in the peak direction$)$: $0\mathrm{.}65$

Trucks: $8\%$ of peak hour volume

$PHF=0\mathrm{.}95$

Lane width: $12ft$

Shoulder width: $10ft$

Total ramp density: $0\mathrm{.}5$ interchange$/$mile; all interchanges are to be cloverleaf interchanges.

Terrain: rolling