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Development and Evaluation of Lane-by-Lane Gap-Out Based Actuated Traffic Signal Control.
| 题名： | Development and Evaluation of Lane-by-Lane Gap-Out Based Actuated Traffic Signal Control. |
| 作者： | J. Lee; E. Strack; B. Park; |
| 关键词： | lane-by-lane gap-out, intersections, optimization, simulation |
| 摘要： | Actuated traffic signal controls at isolated intersections largely benefit from gap-out and phase skip features as they allow unused green times to be re-allocated to those movements need them. A few studies indicated that lane-by-lane gap-out should be implemented for multi-lane approaches instead of traditional combined single channel gap-out. While the lane-bylane gap-out is logically better than the combined channel gap-out, no studies have shown the delay benefits under the optimized green splits and gap-out times. This research developed a lane-by-lane gap-out-based actuated signal control optimization method and evaluated its performance using four demand cases covering volume-to-capacity ratios between 0.4 and 1.3. A simulation-based study indicated that the lane-by-lane gap-out outperformed the combined single channel gap-out for all these cases. It was found that over 12% total delay savings were observed for high volume-to-capacity ratio cases. |
| 总页数： | 18p |
| 报告类型： | 科技报告 |
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