:
Total width of the road surface, in whole feet, for both the primary and secondary direction of traffic.
:
Caclulated using the following formula:
Surface Width = Primary Outside Shoulder Width + (Primary Auxiliary Lanes * Primary Auxiliary Lane Width) + (Primary Thru Lanes * Primary Thru Lane Width ) + (Primary Left Turn Lanes * Primary Left Turn Lane Width) + Primary Inside Shoulder Width + Median Width + Secondary Inside Shoulder Width + (Secondary Left Turn Lanes * Secondary Left Turn Lane Width) + (Secondary Thru Lanes * Secondary Thru Lane Width ) + ( Secondary Auxiliary Lanes * Secondary Auxiliary Lane Width) + Secondary Outside Shoulder Width