Show P ciss or 77 MU STATE mais M ais WIDTH OP OF euins A um or IS teet reet for liard hard surface roads is recommended recommend ea by tile bureau or of public roads of tile the united states department ot of agriculture ri the maximum width or of truck body generally permit permitted tea is 8 feet and 6 5 teet feet is the ordinary clearance width ot of automobiles autom biles at an all average speed of 30 miles an all hour it is unreasonable to expect the driver of an automobile autom bilo bile to drive with the wheels closer than 1 Vs feet to tile the edge of tile the pavement says tile the buican for trucks at au in average peed of 15 miles an hour this distance should not bo be less than 1 feet on oil account of the great width of the rear wheel three feet seems to be a minimum sare safe clearance between bodies inasmuch as a certain amount of 0 truck traffic is to bo be expected on all main country roads the minimum ath of surface should be IS feet to provide these clearances when an all automobile meets a truck where the frequency with which trucks pass each other becomes n a big factor as in the neighborhood D of large cities the minimum width or pavement should be 20 teet feet to provide a clearance of 3 feet and a sate safe distance of wheels from edge ol 01 0 pavement |