A traffic signal date management system for urban transportation planning. Paper presented at the 48th Annual Meeting of Highway Research Board (HRB), 1969.

The design of this data management system is prediated on utilization of a computer for data manipulation, data storage, and for the printing of permanent output records. Timing, location etc. of each traffic signal are coded. Each agency will receive copies of the printed output for uses as planning of maintenance, development of signal timing a and phasing revisions to improve traffic flow.