Traffic control and driver information. Paper presented at the 50th Annual Meeting of the Highway Research Board HRB, Washington, D.C., January 1971.

The principal thrust of the papers included in this record is how to make signals, signs, and pavement markings better serve the interests of improved traffic flow and safety. The findings can be very helpful to ensure greater safety and convenience to drivers. Each paper is described separately. See B 1290 – B 1295 and A 7051, A 7053, A 7054, A7063, and A 7109.