The 10 Worst Illinois Speed Trap Cities
As reported by motorists to The National Speed Trap Exchange over the the past 5 years:
| Rank | # of Speed Traps | City | Acknowledgement Rate* |
|---|---|---|---|
| 1 | 2 | Mound City | 97% |
| 2 | 1 | Carbondale | 75% |
| 3 | 1 | Joliet | 50% |
| 4 | 1 | River Grove | 50% |
* Acknowledgement Rate = the number of “Yes, this is a speed trap” votes for the city over the defined period of time divided by the total number of Yes plus No votes