MOTOR VEHICLE OPERATING COSTS, ROAD ROUGHNESS AND SLIPPERINESS OF VARIOUS BITUMINOUS AND PORTLAND CEMENT CONCRETE SURFACES

TESTS WERE RUN ON FIVE TYPES OF BITUMINOUS SURFACES AND ON TWO TYPES OF CONCRETE SURFACES, EACH WITH WIDELY DIFFERENT SURFACE CHARACTERISTICS. DETAILED OBSERVATIONS AND MEASUREMENTS WERE MADE OF GASOLINE AND OIL MILEAGE, TIRE WEAR, VEHICLE REPAIRS AND MAINTENANCE, ROAD ROUGHNESS, AND ROAD SLIPPERINESS. NO DIFFERENCES WERE FOUND BETWEEN CONCRETE AND BITUMINOUS SURFACES IN TERMS OF VEHICLE OPERATING COSTS. IN VIEW OF THE CRITICAL RUBBER SHORTAGE DUE TO THE WAR, TIRE WEAR AND ROAD SLIPPERINESS TEST RESULTS WERE MOST IMPORTANT. TIRE WEAR IS A FUNCTION OF SPEED AND ROAD ROUGHNESS. TO REDUCE WEAR, USE OF A SEAL COAT WHICH PROVIDES A SLIGHT EXCESS OF ASPHALT, WITHOUT CAUSING BLEEDING AND A SLIPPERY ROAD CONDITION WHEN WET, IS RECOMMENDED AS AN EMERGENCY MEASURE SO LONG AS THE NATIONAL SPEED LIMIT REMAINS 35 MPH, SINCE THE SKIDDING HAZARD AT SPEEDS ABOVE 35 IS A CAUSE OF ACCIDENTS.

  • Supplemental Notes:
    • Vol 22, pp 13-52, 35 FIG, 5 TAB
  • Authors:
    • Moyer, R A
  • Publication Date: 1943

Media Info

  • Monograph Title: Proceedings of the Twenty-Second Annual Meeting of the Highway Research Board Held at Hotel Statler, St. Louis, Missouri December 1-4, 1942
  • Serial:

Subject/Index Terms

Filing Info

  • Accession Number: 00207284
  • Record Type: Publication
  • Files: TRIS, TRB
  • Created Date: Jun 29 1971 12:00AM