No. 5, December 1952: Electron microscopy of soil clays and related materials, by Earl B. Kinter, Adolph M. Wintermyer and Max Swerdlow; A cooperative study of fillers in asphaltic concrete, by Carl A. Carpenter
No. 2, June 1952: The effect of barrier-line location at no-passing zones, by Charles W. Prisk; Age-strength relations for air-entrained concrete, by Frank H. Jackson
United States. Department of Commerce. Bureau of Public Roads
1952-04-01
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Data on the basis of preliminary figures, motor-vehicle travel on main and local roads for the country as a whole was higher during April 1952 than in any previous April.
No. 1, April 1952: Weighing vehicles in motion, by O.K. Normann and R.C. Hopkins; New publication: Highway Statistics, 1950; Weathering tests on SR-4 strain gages, by E.G. Wiles
No. 12, February 1952: The effect of travel time and distance on freeway usage, by Darel L. Trueblood; Highway subdrainage, by E. S. Barber and C. L. Sawyer;
This publication, the sixth of an annual series, presents the 1950 statistical and analytical tables of general interest on motor fuel, motor vehicles, highway-user taxation, financing of State highways, highway mileage, and Federal aid for highways. Data for the financing of highways by county and local rural governments are also included. Informa
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