Show V aff mil ING GREAT GRE AT ECONOMY IN PAVING ROADS one of the lie surprising things about the Is the number of facts he can tell ua about aves that we did not know lu in tile the last few years the figure man tins fins himself to arid and trucking and he be seem to have flare proved that when actually needed ite eded cost coata less than nothing for those driving cars because tile the driving expense la Is so BO r reduced that the savins saving is more than the drivers share of the paving cost guy the indiana partner farmer por for a halt half dozen years engineers and statisticians for highway alons allons tire companies fuel stations i and n companies have been nt at work wark learning exactly nhat alie aca jav ins ing Is when hard liall surfaced roads roada are traveled rind and they hiiro found that a driver mills milet it a K year will save SIX ve a little mire that tsiun ma 18 it if gaso line sells for id 20 cents this Is 11 between hard surfacing anti and grind gravel roads boing aron earth oads loads to pavement will v s ave M a acar year there nio are other wings that aliat lie have not been so accurately figured tires cost much less lesh when used 0 on pavement but there li Is no exact data t 0 on tile subject an exo example mple hn liott ever cr 1 14 cited by tile the inglina Ind lina highway commis oin nili slon alon A bus owner oner uses ft a 30 0 maissen gor ger car on pave 1 rondi roads rind a senen passenger car on rael gravel roads tho the distance Is equal in both bolh cases bases the big bus bug goes goe 20 to inal allies on 0 one set of tires on oil pavement but the ho little bus goes only to l miles on gravel front from tills it Is apparent that the saving on tires alone might pay the drivers share of hard surfacing cost roughly sp speaking enking it will cost three thre quarters of a cent wore more a ton nille mile ta travel on earth than on paving rind it will cost one third of a cent more it ton mile to travel on gravel than on paving A ton mile mlle of tragic traffic Is the equivalent of driving a car and lond weighing lug one ton tits the distance cf if ono one milt mile if a car and its load weighs two tons it has given a 0 ton mile of traffic when it tins hns gone a half mile A flivver loaded with three persons produces a ton mile in nhouy one mile these are the figures of F n R white chief engineer of tilt the iowa state hilgh elsh way commission sir mr white shows 9 that hat on an earth road 14 ton nilles miles may be expected from n pallon gallon of gils alne on n gravel road 21 ton mlle 9 and on oil pavement 1 31 11 ton miles ills his rule Is that when an earth road carries ton miles dally daily average it la Is economy to pave the road and when a gravel road tins has ton antles of ti rank it Is economy to pave it some bottle day we nye may expect tile fl figure men to give us the total conla comparison ar between earth gravel anti pavel paved roads taking into account not only the costa of fuel nud nd tires but tile the upkeep caused by vibration shock al and I 1 a lar jar the loss of paint balut rind similar ar items there la Is no doubt that a car will last much lonser longer if driven over pavement than it if driven on earth or gravel highways but the be ro kalns does not make inake comparisons co based on the wear and tear fear |