Example Problem: LOS on $5$ lane Highway with TWLTL

Step $1$: Input Data

$10280$ ft segment

$2\%$ grade of $5280ft,$ followed by $5000ft$ of level terrain

Lane width : $12ft$

Lateral clearance, both sides : $12ft$

$6\%$ truck, $3\%$ RVs

Access points per mile :

Level segment : $10$ EB$,13$ WB

Grade segment : $10$ EB$,10$ WB

PHF : $0\mathrm{.}9$

$f_p=1$

Peak hour demand $1500$ veh$/$h

Upgrade occurs in westbound direction

Posted speed limit : $45mph$