From: Bi-level route guidance method for large-scale urban road networks
 |  | Average saturation of road networks | |||
---|---|---|---|---|---|
0.3 | 0.4 | 0.5 | 0.6 | 0.7 | |
User optimum | 0.35 | 1.02 | 2.29 | 3.14 | 4.38 |
System optimum | 0.34 (2.9%) | 0.93 (8.8%) | 1.97 (14.0%) | 2.65 (15.6%) | 3.58 (18.3%) |
Bi-level route guidance | 0.35 (0) | 0.99 (2.9%) | 2.10 (8.3%) | 2.73 (13.1%) | 3.81 (13.0%) |