Institutional Repository
Technical University of Crete
Technical University of Crete
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| URI: | http://purl.tuc.gr/dl/dias/46F3A0EE-30D2-404D-909C-BA80D6372666 | ||
| Year | 2002 | ||
| Type of Item | Peer-Reviewed Journal Publication | ||
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| Bibliographic Citation | M. Papageorgiou, A. Kotsialos, "Freeway ramp metering: an overview," Intelligent Transportation Systems, IEEE Transactions on, vol. 3, no.4, pp. 271 - 281, 2002, doi: 10.1109/TITS.2002.806803 https://doi.org/10.1109/TITS.2002.806803 | ||
| Appears in Collections |
Recurrent and nonrecurrent congestion on freeways may be alleviated if today's "spontaneous" infrastructure utilization is replaced by an orderly, controllable operation via comprehensive application of ramp metering and freeway-to-freeway control, combined with powerful optimal control techniques. This paper first explains why ramp metering can lead to a dramatic amelioration of traffic conditions on freeways. An overview of ramp metering algorithms is provided next, ranging from early fixed-time approaches to traffic-responsive regulators and to modern sophisticated nonlinear optimal control schemes. Finally, a large-scale example demonstrates the high potential of advanced ramp metering approaches.
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