Monthly average for collisions and arrests for the experimental and control periods
| 2001–7 Period | Control period | Experimental period | Percentage change | |
| Arrests for traffic violations | 3344.39 | 3978.78 | 1532.48 | −61.48 |
| Collisions with injuries for Quebec City | 146.65 | 145.25 | 150.67 | +3.73 |
| Collisions with material damages only for Quebec City | 612.68 | 601.73 | 643.95 | +7.02 |
| Collisions with injuries for the rest of the province | 2845.14 | 2833.65 | 2877.95 | +1.56 |