Fatal Crash Data

US 40 in Colorado: fatal crashes

From 2015 to 2024, 175 fatal crashes on US 40 in Colorado killed 193 people, the 4th most of any numbered road in Colorado. In 2024 there were 25 fatal crashes and 29 deaths on the road.

An US route running through 12 counties of Colorado. All fatal crashes in Colorado.

Deaths on US 40 in Colorado by year

102030201620182020202220242024: 29
YearFatal crashesDeaths
20242529
20231920
20222223
20211919
20201421
20192024
20181313
20171313
20161818
20151213

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

Where on US 40 in Colorado: the counties with the most fatal crashes

Denver County County had the most fatal crashes on US 40 from 2015 to 2024: 44, with 46 deaths. Denver, Jefferson and Arapahoe counties together held 55% of fatal crashes in US 40 in Colorado from 2015 to 2024; the 8 listed held 95%. Counties are listed from 5 fatal crashes.

County20242015 to 2024Deaths
1Denver County74446
2Jefferson County63030
3Arapahoe County12222
4Routt County32123
5Grand County11821
6Adams County31717
7Cheyenne County1714
8Moffat County279

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 40 in Colorado

The heaviest slot is Friday, 4 to 8 pm, with 13 fatal crashes from 2015 to 2024. The worst hour is 9 pm to 10 pm; the worst month is September.

Share of fatal crashes in US 40 in Colorado 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
Sun5.7 percent, 10 fatal crashes0.6 percent, 1 fatal crashes1.1 percent, 2 fatal crashes4.0 percent, 7 fatal crashes4.6 percent, 8 fatal crashes1.7 percent, 3 fatal crashes
Mon2.3 percent, 4 fatal crashes2.9 percent, 5 fatal crashes1.1 percent, 2 fatal crashes2.3 percent, 4 fatal crashes1.7 percent, 3 fatal crashes1.7 percent, 3 fatal crashes
Tue1.1 percent, 2 fatal crashes1.1 percent, 2 fatal crashes1.1 percent, 2 fatal crashes2.3 percent, 4 fatal crashes4.6 percent, 8 fatal crashes5.7 percent, 10 fatal crashes
Wed0.6 percent, 1 fatal crashes1.7 percent, 3 fatal crashes0.6 percent, 1 fatal crashes0.6 percent, 1 fatal crashes2.3 percent, 4 fatal crashes5.1 percent, 9 fatal crashes
Thu0.6 percent, 1 fatal crashes1.1 percent, 2 fatal crashes1.7 percent, 3 fatal crashes2.9 percent, 5 fatal crashes3.4 percent, 6 fatal crashes2.9 percent, 5 fatal crashes
Fri0.0 percent, 0 fatal crashes1.7 percent, 3 fatal crashes1.1 percent, 2 fatal crashes1.1 percent, 2 fatal crashes7.4 percent, 13 fatal crashes4.6 percent, 8 fatal crashes
Sat2.3 percent, 4 fatal crashes1.1 percent, 2 fatal crashes0.6 percent, 1 fatal crashes2.3 percent, 4 fatal crashes5.7 percent, 10 fatal crashes2.9 percent, 5 fatal crashes

By hour

By month

  • Jan6.3%
  • Feb9.1%
  • Mar8.0%
  • Apr4.0%
  • May7.4%
  • Jun9.1%
  • Jul10.9%
  • Aug8.0%
  • Sep12.0%
  • Oct8.6%
  • Nov6.3%
  • Dec10.3%

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 40 in Colorado first hit

The first harmful event was a collision with another vehicle in 42%; a pedestrian in 30%, a fixed object such as a tree, pole or barrier in 13%, a rollover in 6.3%.

First harmful eventFatal crashesShare
Collision with another vehicle7342%
Pedestrian5330%
Fixed object (tree, pole, barrier, ditch)2213%
Rollover116.3%
Other105.7%
Cyclist52.9%
Parked vehicle10.6%
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 40 in Colorado compare with the state

A drinking driver was recorded in 29% of fatal crashes in US 40 in Colorado from 2015 to 2024, below the Colorado share of 34%; speeding in 34%, below the Colorado share of 35%; a hit-and-run in 15%, above the Colorado share of 6.1%; a driver recorded as distracted in 8.0%, below the Colorado share of 9.8%; 40% of passenger-vehicle occupants killed with belt use known were unbelted, below the Colorado share of 54%. Shares of fatal crashes from 2015 to 2024, against the share across all of Colorado. A share is only given over 20 crashes.

US 40Colorado
On rural stretches35%39%below the Colorado share
At or near an intersection39%32%above the Colorado share
In the dark, road unlit13%21%below the Colorado share
A drinking driver29%34%below the Colorado share
Speeding34%35%below the Colorado share
A distracted driver (as recorded)8.0%9.8%below the Colorado share
Occupants killed unbelted40%54%below the Colorado share
Hit-and-run15%6.1%above the Colorado share
A motorcycle involved18%21%below the Colorado share
Pedestrians among the dead28%14%above the Colorado 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 40 in Colorado

How many fatal crashes have there been on US 40 in Colorado?
175 fatal crashes killed 193 people on US 40 in Colorado from 2015 to 2024. In 2024 there were 25 fatal crashes and 29 deaths.
Where on US 40 in Colorado do the most fatal crashes happen?
Denver County had the most fatal crashes on US 40 from 2015 to 2024: 44, with 46 deaths. Jefferson County was second with 30.
When do fatal crashes on US 40 in Colorado happen most often?
The heaviest slot from 2015 to 2024 was Friday, 4 to 8 pm, with 13 fatal crashes.

Other roads in Colorado with a page

All fatal crashes in Colorado, with every road ranked.

Where the US 40 numbers come from

Counted from NHTSA's Fatality Analysis Reporting System, 2024 Annual Report File: every fatal crash whose road NHTSA filed as US 40 in Colorado (filed under 9 spellings, such as "US-40", "US-40 E COLFAX AVE", "US-40 S ZEREX ST", "US-40 W COLFAX AVE"). Ramps, frontage and service roads are left out. A fatal crash is one in which someone died within 30 days. The full method.