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AASHO Road Test accidents administration American areas Arthur Association auto automobile automotive Award bill bridge Bureau of Public Butler cent chairman Committee Company Conference National construction Continued controlled-access cost Dear Sir director driver expressway facilities Federal highway Federal-Aid Highway financing freeway gasoline going Governor groups Highway Act highway departments highway engineer Highway Highlights Highway Officials highway program Highway Transportation Congress Highway Trust Fund Highway Users Conference improvement increase industry Interstate System issue laws left to right legislation meeting ment mileage miles million motor vehicle motorists National Highway Users National Press Building NHUC North Dakota operation parking planning president Press Building Washington problem Public Roads reimbursement revenue right-of-way road program route rural Secretary Senator speed streets things tion tires toll roads traffic engineer traffic safety truck Vice-Chairman