| Speed calculation parameters of two cars | Range of value | Speed calculation parameters of two cars | Range of value |
| φ1 | 0.75 ± 0.05 | φ2 | 0.75 ± 0.05 |
| s1/m | 17.5 | s2/m | 9.5 |
| m1 | 1670 | m2 | 1540 |
| α/(˚) | 40 | β/(˚) | 41 |