State Highway 1 in Illinois: fatal crashes
From 2015 to 2024, 111 fatal crashes on State Highway 1 in Illinois killed 129 people, the 7th most of any numbered road in Illinois. In 2024 there were 13 fatal crashes and 17 deaths on the road.
An state highway running through 13 counties of Illinois. All fatal crashes in Illinois.
Deaths on State Highway 1 in Illinois by year
| Year | Fatal crashes | Deaths |
|---|---|---|
| 2024 | 13 | 17 |
| 2023 | 13 | 15 |
| 2022 | 16 | 21 |
| 2021 | 15 | 17 |
| 2020 | 5 | 5 |
| 2019 | 7 | 8 |
| 2018 | 15 | 16 |
| 2017 | 12 | 14 |
| 2016 | 8 | 9 |
| 2015 | 7 | 7 |
Source: NHTSA Fatality Analysis Reporting System (FARS), 2024 Annual Report File (released April 2026, subject to revision). How we count
Where on State Highway 1 in Illinois: the counties with the most fatal crashes
Cook County County had the most fatal crashes on State Highway 1 from 2015 to 2024: 48, with 56 deaths. Cook, Kankakee and Will counties together held 63% of fatal crashes in State Highway 1 in Illinois from 2015 to 2024; the 9 listed held 92%. Counties are listed from 5 fatal crashes.
| County | 2024 | 2015 to 2024 | Deaths | |
|---|---|---|---|---|
| 1 | Cook County | 4 | 48 | 56 |
| 2 | Kankakee County | 1 | 14 | 16 |
| 3 | Will County | 1 | 8 | 10 |
| 4 | Clark County | 0 | 6 | 7 |
| 5 | Wabash County | 0 | 6 | 6 |
| 6 | Vermilion County | 0 | 5 | 7 |
| 7 | White County | 2 | 5 | 6 |
| 8 | Edgar County | 1 | 5 | 5 |
| 9 | Iroquois County | 1 | 5 | 5 |
Source: NHTSA Fatality Analysis Reporting System (FARS), 2024 Annual Report File (released April 2026, subject to revision). How we count
When fatal crashes happen on State Highway 1 in Illinois
Too few crashes to name a heaviest slot. The grid shows the shares; a share is only given over 20 crashes.
| Midnight to 4 | 4 to 8 am | 8 to noon | Noon to 4 | 4 to 8 pm | 8 to midnight | |
|---|---|---|---|---|---|---|
| Sun | 2.8 percent, 3 fatal crashes | 0.9 percent, 1 fatal crashes | 1.9 percent, 2 fatal crashes | 4.7 percent, 5 fatal crashes | 1.9 percent, 2 fatal crashes | 4.7 percent, 5 fatal crashes |
| Mon | 0.0 percent, 0 fatal crashes | 0.0 percent, 0 fatal crashes | 2.8 percent, 3 fatal crashes | 2.8 percent, 3 fatal crashes | 3.7 percent, 4 fatal crashes | 3.7 percent, 4 fatal crashes |
| Tue | 0.0 percent, 0 fatal crashes | 3.7 percent, 4 fatal crashes | 6.5 percent, 7 fatal crashes | 1.9 percent, 2 fatal crashes | 4.7 percent, 5 fatal crashes | 1.9 percent, 2 fatal crashes |
| Wed | 1.9 percent, 2 fatal crashes | 1.9 percent, 2 fatal crashes | 4.7 percent, 5 fatal crashes | 1.9 percent, 2 fatal crashes | 5.6 percent, 6 fatal crashes | 0.9 percent, 1 fatal crashes |
| Thu | 0.0 percent, 0 fatal crashes | 0.0 percent, 0 fatal crashes | 0.9 percent, 1 fatal crashes | 3.7 percent, 4 fatal crashes | 0.9 percent, 1 fatal crashes | 2.8 percent, 3 fatal crashes |
| Fri | 0.0 percent, 0 fatal crashes | 0.0 percent, 0 fatal crashes | 0.9 percent, 1 fatal crashes | 0.9 percent, 1 fatal crashes | 4.7 percent, 5 fatal crashes | 0.9 percent, 1 fatal crashes |
| Sat | 1.9 percent, 2 fatal crashes | 0.9 percent, 1 fatal crashes | 3.7 percent, 4 fatal crashes | 1.9 percent, 2 fatal crashes | 3.7 percent, 4 fatal crashes | 6.5 percent, 7 fatal crashes |
By hour
By month
- Jan9.0%
- Feb7.2%
- Mar4.5%
- Apr4.5%
- May9.0%
- Jun9.0%
- Jul10.8%
- Aug9.0%
- Sep12.6%
- Oct9.0%
- Nov8.1%
- Dec7.2%
Source: NHTSA Fatality Analysis Reporting System (FARS), 2024 Annual Report File (released April 2026, subject to revision). How we count
What fatal crashes on State Highway 1 in Illinois first hit
The first harmful event was a collision with another vehicle in most fatal crashes, 51%; a pedestrian in 19%, a fixed object such as a tree, pole or barrier in 19%, a rollover in 4.5%.
| First harmful event | Fatal crashes | Share |
|---|---|---|
| Collision with another vehicle | 56 | 51% |
| Pedestrian | 21 | 19% |
| Fixed object (tree, pole, barrier, ditch) | 21 | 19% |
| Other | 6 | 5.4% |
| Rollover | 5 | 4.5% |
| Cyclist | 2 | 1.8% |
| Parked vehicle | 0 | 0.0% |
| Not reported | 0 | 0.0% |
Source: NHTSA Fatality Analysis Reporting System (FARS), 2024 Annual Report File (released April 2026, subject to revision). How we count
How fatal crashes on State Highway 1 in Illinois compare with the state
A drinking driver was recorded in 27% of fatal crashes in State Highway 1 in Illinois from 2015 to 2024, about the Illinois share; speeding in 35%, below the Illinois share of 37%; a hit-and-run in 14%, above the Illinois share of 8.4%; a driver recorded as distracted in 6.3%, below the Illinois share of 9.8%; 39% of passenger-vehicle occupants killed with belt use known were unbelted, below the Illinois share of 46%. Shares of fatal crashes from 2015 to 2024, against the share across all of Illinois. A share is only given over 20 crashes.
| State Highway 1 | Illinois | ||
|---|---|---|---|
| On rural stretches | 48% | 34% | above the Illinois share |
| At or near an intersection | 29% | 30% | below the Illinois share |
| In the dark, road unlit | 27% | 25% | above the Illinois share |
| A drinking driver | 27% | 27% | about the same as the Illinois share |
| Speeding | 35% | 37% | below the Illinois share |
| A distracted driver (as recorded) | 6.3% | 9.8% | below the Illinois share |
| Occupants killed unbelted | 39% | 46% | below the Illinois share |
| Hit-and-run | 14% | 8.4% | above the Illinois share |
| A motorcycle involved | 13% | 14% | below the Illinois share |
| Pedestrians among the dead | 16% | 16% | about the same as the Illinois share |
Source: NHTSA Fatality Analysis Reporting System (FARS), 2024 Annual Report File (released April 2026, subject to revision). How we count
Questions about fatal crashes in State Highway 1 in Illinois
- How many fatal crashes have there been on State Highway 1 in Illinois?
- 111 fatal crashes killed 129 people on State Highway 1 in Illinois from 2015 to 2024. In 2024 there were 13 fatal crashes and 17 deaths.
- Where on State Highway 1 in Illinois do the most fatal crashes happen?
- Cook County had the most fatal crashes on State Highway 1 from 2015 to 2024: 48, with 56 deaths. Kankakee County was second with 14.
Other roads in Illinois with a page
All fatal crashes in Illinois, with every road ranked.
Where the State Highway 1 numbers come from
Counted from NHTSA's Fatality Analysis Reporting System, 2024 Annual Report File: every fatal crash whose road NHTSA filed as State Highway 1 in Illinois (filed under 32 spellings, such as "SR- 1", "SR-1", "SR-1 (CHICAGO RD)", "SR-1 (CR-2280)"). Ramps, frontage and service roads are left out. A fatal crash is one in which someone died within 30 days. The full method.