Research Article
Group Gap Acceptance: A New Method to Analyze Driver Behavior and Estimate the Critical Gap at Multilane Roundabouts
| Author(s) | Year | Analysis method | Critical gap (s) | Type of roundabout | City, country |
| Flannery and Datta [3] | 2007 | Maximum likelihood method | 3.94 | 1-lane | Florida and Maryland, USA | Xu and Tian [4] | 2008 | Maximum likelihood method | 4.8 | California, USA | Mensah et al. [5] | 2010 | Raff’s method | 2.55 | Maryland, USA | Fitzpatrick et al. [6] | 2013 | Raff’s method | 2.2 | Massachusetts, USA |
| Xu and Tian [4] | 2008 | Maximum likelihood method | L: 4.70/ R: 4.40 | 2-lane | California, USA | Guo [7] | 2010 | Raff’s method | 2.91 | Dalian, China | Revised Raff’s method | 2.78 | Maximum likelihood method | 2.65 | Ashworth method | 3.2 | Kusuma and Koutsopoulos [8] | 2011 | Maximum likelihood method | 3.58 | Stockholm, Sweden |
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