Fatal Crash Data

US 20 in Illinois: fatal crashes

From 2015 to 2024, 105 fatal crashes on US 20 in Illinois killed 118 people, the 9th most of any numbered road in Illinois. In 2024 there were 7 fatal crashes and 7 deaths on the road.

An US route running through 9 counties of Illinois. All fatal crashes in Illinois.

Deaths on US 20 in Illinois by year

1020201620182020202220242016: 212024: 7
YearFatal crashesDeaths
202477
20231213
20221314
20211212
202033
201988
20181517
2017911
20161721
2015912

Source: NHTSA Fatality Analysis Reporting System (FARS), 2024 Annual Report File (released April 2026, subject to revision). How we count

Where on US 20 in Illinois: the counties with the most fatal crashes

Winnebago County had the most fatal crashes on US 20 from 2015 to 2024: 31, with 34 deaths. Winnebago, Cook and Jo Daviess counties together held 70% of fatal crashes in US 20 in Illinois from 2015 to 2024; the 6 listed held 92%. Counties are listed from 5 fatal crashes.

County20242015 to 2024Deaths
1Winnebago County43134
2Cook County12630
3Jo Daviess County01621
4Kane County199
5Stephenson County088
6DuPage County077

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 US 20 in Illinois

Too few crashes to name a heaviest slot. The grid shows the shares; a share is only given over 20 crashes.

Share of fatal crashes in US 20 in Illinois by weekday and time of day, 2015 to 2024, in percent
Midnight to 44 to 8 am8 to noonNoon to 44 to 8 pm8 to midnight
Sun6.7 percent, 7 fatal crashes1.9 percent, 2 fatal crashes0.0 percent, 0 fatal crashes6.7 percent, 7 fatal crashes1.9 percent, 2 fatal crashes1.9 percent, 2 fatal crashes
Mon2.9 percent, 3 fatal crashes2.9 percent, 3 fatal crashes1.0 percent, 1 fatal crashes1.9 percent, 2 fatal crashes3.8 percent, 4 fatal crashes8.6 percent, 9 fatal crashes
Tue0.0 percent, 0 fatal crashes2.9 percent, 3 fatal crashes2.9 percent, 3 fatal crashes1.9 percent, 2 fatal crashes2.9 percent, 3 fatal crashes2.9 percent, 3 fatal crashes
Wed1.0 percent, 1 fatal crashes2.9 percent, 3 fatal crashes0.0 percent, 0 fatal crashes2.9 percent, 3 fatal crashes3.8 percent, 4 fatal crashes2.9 percent, 3 fatal crashes
Thu1.9 percent, 2 fatal crashes1.0 percent, 1 fatal crashes1.0 percent, 1 fatal crashes2.9 percent, 3 fatal crashes0.0 percent, 0 fatal crashes1.9 percent, 2 fatal crashes
Fri1.9 percent, 2 fatal crashes1.0 percent, 1 fatal crashes2.9 percent, 3 fatal crashes1.0 percent, 1 fatal crashes3.8 percent, 4 fatal crashes1.9 percent, 2 fatal crashes
Sat1.0 percent, 1 fatal crashes2.9 percent, 3 fatal crashes2.9 percent, 3 fatal crashes0.0 percent, 0 fatal crashes3.8 percent, 4 fatal crashes1.9 percent, 2 fatal crashes

By hour

By month

  • Jan4.8%
  • Feb4.8%
  • Mar8.6%
  • Apr9.5%
  • May10.5%
  • Jun6.7%
  • Jul15.2%
  • Aug3.8%
  • Sep16.2%
  • Oct5.7%
  • Nov7.6%
  • Dec6.7%

Source: NHTSA Fatality Analysis Reporting System (FARS), 2024 Annual Report File (released April 2026, subject to revision). How we count

What fatal crashes on US 20 in Illinois first hit

The first harmful event was a collision with another vehicle in 46%; a pedestrian in 24%, a fixed object such as a tree, pole or barrier in 20%, a rollover in 4.8%.

First harmful eventFatal crashesShare
Collision with another vehicle4846%
Pedestrian2524%
Fixed object (tree, pole, barrier, ditch)2120%
Rollover54.8%
Cyclist43.8%
Other21.9%
Parked vehicle00.0%
Not reported00.0%

Source: NHTSA Fatality Analysis Reporting System (FARS), 2024 Annual Report File (released April 2026, subject to revision). How we count

How fatal crashes on US 20 in Illinois compare with the state

A drinking driver was recorded in 22% of fatal crashes in US 20 in Illinois from 2015 to 2024, below the Illinois share of 27%; speeding in 27%, below the Illinois share of 37%; a hit-and-run in 9.5%, above the Illinois share of 8.4%; a driver recorded as distracted in 2.9%, below the Illinois share of 9.8%; 37% 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.

US 20Illinois
On rural stretches24%34%below the Illinois share
At or near an intersection35%30%above the Illinois share
In the dark, road unlit28%25%above the Illinois share
A drinking driver22%27%below the Illinois share
Speeding27%37%below the Illinois share
A distracted driver (as recorded)2.9%9.8%below the Illinois share
Occupants killed unbelted37%46%below the Illinois share
Hit-and-run9.5%8.4%above the Illinois share
A motorcycle involved18%14%above the Illinois share
Pedestrians among the dead22%16%above 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 US 20 in Illinois

How many fatal crashes have there been on US 20 in Illinois?
105 fatal crashes killed 118 people on US 20 in Illinois from 2015 to 2024. In 2024 there were 7 fatal crashes and 7 deaths.
Where on US 20 in Illinois do the most fatal crashes happen?
Winnebago County had the most fatal crashes on US 20 from 2015 to 2024: 31, with 34 deaths. Cook County was second with 26.

Other roads in Illinois with a page

All fatal crashes in Illinois, with every road ranked.

Where the US 20 numbers come from

Counted from NHTSA's Fatality Analysis Reporting System, 2024 Annual Report File: every fatal crash whose road NHTSA filed as US 20 in Illinois (filed under 40 spellings, such as "US- 20", "US-20", "US-20 (GRANT HWY)", "US-20 (LAKE ST)"). Ramps, frontage and service roads are left out. A fatal crash is one in which someone died within 30 days. The full method.