A four$-$lane multilane highway segment with a full median carries a peak$-$hour volume of $3200$

veh$/$h in the heaviest direction:

$11$ ft lanes

$2$ ft clearance at both the roadside and in the median

$20$ access points$/$mile

$15\%$ trucks, standard mix

Peak Hour Factor $=0\mathrm{.}86$

The segment is on a sustained $5\mathrm{.}5\%$ grade, $1\mathrm{.}5$ miles in length.

The base FFS may be taken as $60m\frac{i}{h}.$

LOSA

LOS B

LOSC

LOS D

LOS E

LOS F