You are the County Engineer for a mostly rural county. One of the roadways you will be reconstructing in the coming year is the main road that links the County Seat to the largest town in the county. The road is two lanes wide presently, with varying widths, and no additional lanes are proposed. The distance between the County Seat and the largest city is $6$ miles. The road presently supports approximately $7,000$ vehicles per day and has a posted speed limit of $45$ MPH$.$ There is no transit service and truck percentage is less than $5\%.$ Total available Right$-$of$-$

Way width is $33$ feet and no additional ROW is proposed to be purchased. You need to provide a cost estimate for budget purposes.

a$.$ What is the most appropriate roadway class and roadway type for this roadway?

b$.$ How wide should the lanes be$?$

c$.$ How wide will the shoulders be$?$

d$.$ Is a parking lane necessary?

e$.$ Are bike lanes necessary?

f$.$ What will be the proposed cross slope?

g$.$ Are sidewalks necessary?