Research Article
Quantifying the Impact of Weather Events on Travel Time and Reliability
Table 2
Analysis results from regression models.
| Time Periods | Model | Travel time under clear condition (min) | % increase in travel time under rain condition | % increase in travel time under snow condition |
| 18:40-6:25, weekdays | Mean | 7.8 | 4.1 | 19.5 | 80th | 7.9 | 4.3 | 18.7 | 95th | 8.0 | 10.5 | 98.6 |
| 6:25-9:05, Mon/Fri | Mean | 9.5 | 35.1 | 39.9 | 80th | 11.2 | 37.8 | 60.2 | 95th | 13.7 | 77.1 | 92.4 |
| 6:25-9:05, Tue-Thu | Mean | 11.3 | 22.5 | 47.2 | 80th | 13.0 | 28.7 | 36.8 | 95th | 17.0 | 54.0 | 209.1 |
| 9:05-14:50, weekdays | Mean | 7.9 | 7.0 | 13.6 | 80th | 7.8 | 8.6 | 11.0 | 95th | 8.7 | 25.5 | 59.0 |
| 14:50-18:40, Mon-Wed | Mean | 8.1 | 13.7 | 14.0 | 80th | 8.0 | 29.4 | 16.9 | 95th | 10.6 | 37.2 | 46.5 |
| 14:50-18:40, Thu-Fri | Mean | 9.1 | 15.2 | 26.5 | 80th | 10.2 | 16.9 | 50.3 | 95th | 13.9 | 27.9 | 61.6 |
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