A flow-maximizing adaptive local ramp metering strategy

Emmanouil Smaragdis, Markos Papageorgiou and Elias Kosmatopoulos

Transportation Research Part B: Methodological, 2004, vol. 38, issue 3, 251-270

Abstract: An extension of the feedback local ramp metering strategy ALINEA is proposed that allows the automatic tracking of the critical occupancy to help maximize the mainstream flow. The developed AD-ALINEA strategy may be valuable whenever the critical occupancy cannot be estimated beforehand or is subject to real-time change due to changing environmental conditions or traffic composition (e.g. trucks). An upstream-measurement based version of the adaptive strategy (AU-ALINEA) is also developed. Both strategies are successfully tested in a stochastic macroscopic simulation environment under various scenarios.

Date: 2004
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Citations: View citations in EconPapers (13)

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