Methods for Real-Time Control of Highway Traffic

by Nathan H. Gartner, Univ of Lowell, Lowell, MA, USA,

Document Type: Proceeding Paper

Part of: Computing in Civil Engineering


The paper describes the development of computational strategies for demand-responsive decentralized traffic signal control. First, a Dynamic Programming procedure is developed which serves as a standard of performance for demand-responsive control. Next, the procedure is simplified to make it suitable for on-line calculation. The procedure is then further refined by introducing a rolling horizon approach. This provides a practical approach for using on-line traffic data. Performance of the strategy is tested via the NETSIM simulation model.

Subject Headings: Control systems | Computer models | Highways and roads | Traffic management | Traffic models | Traffic signals | Computer programming | Traffic signs

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