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Show BEST ROAD FOR TIRES1NTED Tests to Be Made to Learn Surface Which Causes Least Wear To find the type of road surface causlnp the least amount of wear on automobile fires and thereby reduce the pr.'sent $1,000,000 annual tire bill. Is to be the object of exhaustive tests contemplated by the Asphalt Association Associa-tion In co-ordination with other Interests. Inter-ests. Eighteen million nutornoblls and trucks with their 72,000.000 tires, need onlv . 1 1 for an average annual 'outlay of fl.lS to make the total out !for tires 11.000.000. This Is far in' excess of the annual expenditure for construetlon and maintenance of high- ways and If a type of surface Is designed de-signed to effect a reduction of only 10 per enl In tire costs It will release a sum which capitalised nl I Pi cent, will .-amount to $2. Oou.i nuo. Official! of the Asphalt association express their belief thut the most gruelling tests Which ina be designed cannot fall to demonstrate thai the usphnitic typee of hignwa) with their imooth resiliency are the best con-nerers con-nerers of automobile tires. When the tests are made ihe will, he under the auspices of n national board of disinterested engineers whose finding! win bf beyond an) crlticlera of bike oj prejudice. Coincident with the tire t. sis Will be a series of I' .'ts to determine how beat to resist iiuhikI-irig iiuhikI-irig Impact of heay truck wheels. Hero again, the asphalt . nr neers ; re quietly confident of tho cushioning power of asphalt to ah.sorh the heaviest heavi-est blows no i |