Microcomputer Based Traffic Signal Inventory Recordsby Darrell W. Borchardt, Texas A&M Univ System, United States,
Abstract: This paper describes microcomputer software used by District 12 of the Texas State Department of Highways and Public Transportation to provide for a constantly updated inventory of traffic signals and the timing patterns. The software was developed by the Texas Transportation Institute (TTI) to replace the manual method previously used by the District. A separate record for each intersection includes equipment inventory (controller manufacturer and model), interconnect information, listing of other equipment included in the cabinet, intersection luminaries, and meter address. Space is also provided for entering three unique dates at each intersection: date timing prepared in the office, date timing installed, and date timing replaced. The inventory system for actuated traffic signals presently allows a maximum of one existing and four previously used/replaced timings at each intersection. Up to eight phases may be entered. Version 1.0 of the software allows for entering/ editing new/existing signal records, printing of the entire database or selected records only, provides back-up of previously installed and since removed signal timings at a given location, and allows viewing of the records on the computer monitor. Additional aspects of the subject are discussed.
Subject Headings: Traffic signals | Computer software | Inventories | Intersections | Traffic signs | Equipment and machinery | Highway engineering
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