Routes in Illinois: fatal crashes by route
76 signed routes in Illinois have 20 or more fatal crashes from 2015 to 2024.
| Route | Type | Fatal crashes | Deaths | Counties |
|---|---|---|---|---|
| Interstate 39 | Interstate | 36 | 42 | 7 |
| Interstate 55 | Interstate | 263 | 298 | 15 |
| Interstate 57 | Interstate | 223 | 264 | 18 |
| Interstate 64 | Interstate | 62 | 67 | 6 |
| Interstate 70 | Interstate | 74 | 84 | 7 |
| Interstate 72 | Interstate | 29 | 34 | 7 |
| Interstate 74 | Interstate | 88 | 97 | 12 |
| Interstate 80 | Interstate | 133 | 155 | 8 |
| Interstate 88 | Interstate | 51 | 58 | 8 |
| Interstate 90 | Interstate | 110 | 122 | 5 |
| Interstate 94 | Interstate | 165 | 177 | 2 |
| Interstate 255 | Interstate | 32 | 33 | 3 |
| Interstate 290 | Interstate | 91 | 109 | 2 |
| Interstate 294 | Interstate | 69 | 70 | 1 |
| State Route 1 | State highway | 111 | 129 | 13 |
| State Route 2 | State highway | 37 | 39 | 5 |
| State Route 3 | State highway | 91 | 100 | 8 |
| State Route 4 | State highway | 44 | 52 | 7 |
| State Route 9 | State highway | 20 | 24 | 6 |
| State Route 13 | State highway | 57 | 63 | 6 |
| State Route 15 | State highway | 46 | 52 | 5 |
| State Route 16 | State highway | 39 | 41 | 7 |
| State Route 17 | State highway | 38 | 40 | 6 |
| State Route 19 | State highway | 38 | 40 | 3 |
| State Route 23 | State highway | 43 | 48 | 4 |
| State Route 25 | State highway | 26 | 27 | 1 |
| State Route 26 | State highway | 27 | 31 | 7 |
| State Route 29 | State highway | 58 | 64 | 8 |
| State Route 31 | State highway | 40 | 44 | 3 |
| State Route 37 | State highway | 43 | 49 | 7 |
| State Route 38 | State highway | 39 | 41 | 6 |
| State Route 40 | State highway | 39 | 42 | 6 |
| State Route 43 | State highway | 71 | 80 | 2 |
| State Route 47 | State highway | 50 | 55 | 7 |
| State Route 50 | State highway | 106 | 112 | 4 |
| State Route 53 | State highway | 46 | 52 | 5 |
| State Route 58 | State highway | 24 | 24 | 2 |
| State Route 59 | State highway | 48 | 51 | 4 |
| State Route 64 | State highway | 72 | 76 | 5 |
| State Route 71 | State highway | 23 | 23 | 3 |
| State Route 72 | State highway | 40 | 43 | 5 |
| State Route 78 | State highway | 23 | 25 | 10 |
| State Route 83 | State highway | 119 | 128 | 3 |
| State Route 84 | State highway | 21 | 24 | 4 |
| State Route 100 | State highway | 21 | 21 | 7 |
| State Route 111 | State highway | 38 | 41 | 4 |
| State Route 116 | State highway | 26 | 31 | 8 |
| State Route 120 | State highway | 26 | 27 | 2 |
| State Route 121 | State highway | 28 | 29 | 4 |
| State Route 127 | State highway | 30 | 36 | 8 |
| State Route 130 | State highway | 30 | 36 | 7 |
| State Route 131 | State highway | 24 | 27 | 1 |
| State Route 157 | State highway | 26 | 26 | 3 |
| State Route 159 | State highway | 25 | 29 | 4 |
| State Route 161 | State highway | 28 | 31 | 3 |
| State Route 171 | State highway | 47 | 52 | 2 |
| State Route 173 | State highway | 31 | 32 | 4 |
| State Route 251 | State highway | 46 | 49 | 5 |
| State Route 394 | State highway | 24 | 26 | 2 |
| US Route 6 | US highway | 75 | 80 | 6 |
| US Route 12 | US highway | 91 | 101 | 3 |
| US Route 14 | US highway | 42 | 48 | 3 |
| US Route 20 | US highway | 107 | 120 | 9 |
| US Route 24 | US highway | 57 | 70 | 11 |
| US Route 30 | US highway | 101 | 114 | 8 |
| US Route 34 | US highway | 67 | 74 | 10 |
| US Route 36 | US highway | 20 | 21 | 4 |
| US Route 40 | US highway | 34 | 43 | 7 |
| US Route 41 | US highway | 96 | 104 | 2 |
| US Route 45 | US highway | 130 | 148 | 17 |
| US Route 50 | US highway | 55 | 68 | 7 |
| US Route 51 | US highway | 71 | 77 | 13 |
| US Route 52 | US highway | 42 | 47 | 8 |
| US Route 67 | US highway | 53 | 56 | 10 |
| US Route 136 | US highway | 28 | 30 | 8 |
| US Route 150 | US highway | 66 | 68 | 10 |
Note: the counts are not rates. They do not account for the length or the traffic of a route. "Counties" is the number of counties with a fatal crash on the route.