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AUTOMATED HIGHWAY SYSTEM MERGING CONTROL. PART III, EVALUATION.
| 题名： | AUTOMATED HIGHWAY SYSTEM MERGING CONTROL. PART III, EVALUATION. |
| 作者： | Ran-Bin; Leight-Shawn; Chang-Ben |
| 关键词： | automated-highways; merge-control-systems; traffic-flow |
| 摘要： | This paper addresses the issue of Automated Highway System (AHS) interfaces with other transportation facilities. AHS interfaces may cause problems, due to either AHS interactions with conventional systems or internal limitations from AHS merging capabilities. The paper addresses the AHS interface problem by presenting a microscopic simulation model for one scenario of the automated merging maneuver. The results from this model show that for low flows and conventional highway speeds (55 mph), a one lane AHS merging section with a dedicated automated entrance ramp behaves with much of the same characteristics as a two lane section of conventional highway with or without fixed time ramp metering. However, when the conventional freeway begins to "break down" near its capacity, the AHS, in this model, continues to perform with little delay. These results seem to be reasonable. Because the merging maneuver from a single on ramp should have little effect on AHS mainline operations, if the control and communication methods used in this paper are applied. However this paper does not show the effect of operations where several on and off ramps are used, neither does it show the interaction between these ramps. It also should be noted that the model presented in this paper is simplified in that it does not account for variances in acceleration or deceleration rates or vehicle types. |
| 总页数： | ITS America. Meeting (8th : 1998 : Detroit, Mich.). Transportation technology for tomorrow : conference proceedings. 1998. pp21 |
| 报告类型： | 科技报告 |
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