Question # $3$:

A $14$ m rural highway on a rolling terrain has an ADT$=15000$ vehicles in both directions, of

which $20\%$ are trucks. The design speed is $75$ Km$/$h in a rolling terrain and the obstructions are

located within $1$m from one side

a$)$ Determine the actual practical capacity.

b$)$ Check if any reconstruction of the cross section will be necessary after $30$ years, if the annual

increase is estimated for $3\%.$

c$)$ Find the number of lanes and draw a neat cross section for the suggested road showing the

utilities location;