Research Article
Impacts of Snowy Weather Conditions on Expressway Traffic Flow Characteristics
Table 2
Traffic flow characteristics of expressway under various weather conditions.
| Time period | Morning peak | Evening peak | Off-peak | Weather condition | Heavy snow | Normal weather | Heavy snow | Normal weather | Heavy snow | Normal weather |
| Average speed (km/h) | 56.60 | 54.96 | 59.84 | 46.05 | 64.36 | 71.71 | Volume per hour (veh./h) | 1632 | 4722 | 1378 | 4952 | 832 | 2751 | Speed change on heavy snowy day (%) | | | ā10.26 | Volume reduction (%) |
65.44
|
72.17
|
69.76
|
|
|