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Gap Acceptance Characteristics for Ramp-Freeway Surveillance and Control
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1965-07-01
[PDF-1.68 MB]
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Abstract:The purpose of this investigation was to determine gap acceptance characteristics and merging delay characteristics for six inbound entrance ramps on the Gulf Freeway Surveillance and Control Project. A 20-pen graphic recorder operated by four men stationed adjacent to the merging area between the freeway and the frontage road was used in collecting the data. Merging vehicles were divided into two groups--those in which the driver rejected gaps before finally accepting a gap and those in which the driver of a ramp vehicle accepted the first gap.
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