Part I- Control of pavement slipperiness - contains the following papers: A skid resist ance study in four western states. Development and results of a skid research and road inventory program in pennsylvania. Recommandations for an international minimum skid-resistance standard for pavements. The logical design of optimum skid-resistant surface. Pavement friction and temperature effects. Relation between wear and physical properties of roadstones. Pre-evaluation of pavement materials for skid resistance - a review of U.S. techniques. Factors affecting skid resistance and safety of concrete pavements. Texturing of concrete pavement. Constructions of nonskid pavement surfaces. Reduction of accidents by pavement grooving. Part II - Asphalt pavement cracking - contains the following four papers: Wheel load equivalency based on flexural fatique of asphaltic concrete. Thermal fracture phenomena in bituminous surfaces. Pavement cracking: Causes and some preventive measures. Reduction in transverse pavement cracking by use of softer asphalt cements.
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