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Journal of Advanced Transportation
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2019
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Article
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Tab 3
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Review Article
Review of Roundabout Capacity Based on Gap Acceptance
Table 3
Critical gap and following gap estimated in HCM 2010 (s).
ā
Single lane
Left lane in Multi lanes
Right lane in Multi-lanes
4.8
4.7
4.4
2.5
2.2
2.2