Highway Safety: Pavements and Shoulders

Federal Highway Administration Video VH-48E Highway Safety: Pavements and Shoulders The functional requirements of pavements and shoulders are described, beginning with the elements of pavements and shoulders and the characteristics that contribute to poor performance. Skid resistance, measurement of pavement friction and polishing aggregates are discussed, along with drainage and vehicle steering factors. Tining, grooving, edge drop-off, roughness, and rutting are also covered. Shoulder types are described and their functions are outlined. Design requirements for shoulder width, strength, cross slope, joint, and contrast are described. Wet weather accidents are shown in a short video segment.