Research Article
Traffic Light Optimization Based on Modified Webster Function
Table 2
Intersection traffic flow and saturation table.
| ā | From south to north | From east to west | From north to south | From west to east |
| Direction | Turn left | Straight | Turn right | Turn left | Straight | Turn right | Turn left | Straight | Turn right | Turn left | Straight | Turn right |
| Green letter ratio | 0.228571 | 0.228571 | 0.407143 | 0.178571 | 0.228571 | 0.407143 | 0.228571 | 0.228571 | 0.407143 | 0.178571 | 0.228571 | 0.407143 |
| Maximum traffic | 1800 | 1800 | 1800 | 1800 | 1800 | 1800 | 1800 | 1800 | 1800 | 1800 | 1800 | 1800 |
| Traffic | 306 | 412 | 162 | 130 | 616 | 188 | 206 | 396 | 188 | 164 | 582 | 214 |
| Saturation | 0.17 | 0.228889 | 0.09 | 0.072222 | 0.342222 | 0.104444 | 0.114444 | 0.22 | 0.104444 | 0.091111 | 0.323333 | 0.118889 |
|
|