Show T MINIMUM WIDTH OF HIGHWAY Surface Hard-Surface Roads Should Be at Least Eighteen Feet Wide for Safety of All Concerned Prepared by ty the United State Stale Department of Agriculture A minimum width of 18 feet for tor surface hard roads Is recommended by bythe bythe bythe the bureau of public roads of the I United bolted States Department of or ture The maximum width of truck body generally permitted Is 8 feet teet and 5 feet Is the ordinary clearance I width of automobiles At an average speed of 30 SO miles an hour It Is unreasonable unreasonable un un- un- un reasonable to expect the driver of an automobile to drive with the wheels closer than 1 13 feet to the edge of ot the pavement says Rays the bureau For trucks s at an average speed of 15 miles an nn hour this distance should not notI r. r aJ S I ru c J 3 Sheridan Big Sheridan Big Horn Road In Wyoming Before and After Improvement be less than 1 teet on account of ot the great width of the rear wheel Three feet seems to be a minimum safe clearance between bodies Inasmuch Inasmuch Inas Inas- much as a certain amount of truck traffic Is to be expected on all main country roads the minimum width of surface should be 18 feet to provide these rhese clearances when an automobile meets a truck Where the frequency with which trucks rucks pass each other becomes a n big actor Factor as In the Neighborhood of or large the width of ot pavement pavement pave pave- ment should be 20 feet to provide a r of 3 33 feet and a safe dIstance distance distance dis dIs- tance of wheels from edge of- of pave pave- ment |