Research Article
Evaluation of the Rain Effects on Gap Acceptance Behavior at Roundabouts by a Logit Model
Table 8
A Logit model development.
| Variables | β | S.E, | P | Exp (β) |
| X1 (Gap, Seconds) | 1.300 | 0.059 | < 0.001 | 3.669 | X2 (Type of Circulating Vehicles, 0: Passenger Car, 1: Heavy Vehicle) | -0.437 | 0.217 | 0.045 | 0.646 | X3 (Traffic Volume at the Circulating lane) | -0.003 | 0.000 | < 0.001 | 0.997 | X4 (Weather Condition, 0: Good weather, 1: Rainy Condition) | -0.815 | 0.170 | < 0.001 | 0.443 | Constant | -3.158 | 0.274 | < 0.001 | 0.043 | Number of Observations | 2,181 | Log-likelihood Function | -635.530 | Restricted Log-likelihood Function | -1417.961 |
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