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Gap-accepteance parameters for roundabouts: a systematic review
European Transport Research Review
Purpose The critical and follow-up headways are the two gap-acceptance parameters which explain the traffic interaction of a minor street vehicle when enters the roundabout, merging into or crossing one or more circulating (major) streams. Several studies and researches provide measurements of critical and follow-up headways from real data at roundabouts. The objective of our research is to synthesize the data from the series of selected studies to interpret variation across the studies.doi:10.1007/s12544-015-0190-4 fatcat:o4xyodrqdbhzjdgs64z42qfw24