00333nam a22000977a 4500082001700000245008600017260005400103300003300157526003700190650000800227  a388.127bIMP  aImproving Truck Safety at InterchangesbImplementation Advance highway Technology  aVirginia bU.S Department of Transportationc1989  a31 p.:billus, Mapes.c29 CM  a0b0c0d388_127000000000000_IMP  aMCE