303
Fatal crashes
321
Fatalities
35%
Drunk driver
43
Avg per year
Deadliest fatal-crash clusters in Jefferson County
Locations with multiple fatal crashes on the same road segment, 2017-2023. Click any location to pull the full report — every individual crash with vehicle, person, and contributing-factor detail.
2 fatal crashes
$9 report →
2 fatalities · 2020–2021
Principal Arterial - Other
39.554, -105.241
2 fatal crashes
$9 report →
2 fatalities · 2019–2021
Minor Arterial
39.595, -105.129
2 fatal crashes
$9 report →
2 fatalities · 2019–2023
Other Principal Arterial · Lakewood
39.683, -105.180
2 fatal crashes
$9 report →
2 fatalities · 2019–2021
Principal Arterial - Other · Lakewood
39.689, -105.081
2 fatal crashes
$9 report →
2 fatalities · 2021–2022
Minor Collector
39.502, -105.246
Crashes by year
| Year | Crashes | Fatalities | Drunk driver |
|---|---|---|---|
| 2017 | 35 | 41 | 10 |
| 2018 | 36 | 38 | 14 |
| 2019 | 45 | 51 | 10 |
| 2020 | 41 | 43 | 12 |
| 2021 | 50 | 52 | 21 |
| 2022 | 49 | 49 | 21 |
| 2023 | 47 | 47 | 17 |
Cities in Jefferson County
Fatal crashes by city within Jefferson County. Need crash history at a specific address or intersection? Our intersection report shows every fatal crash within any radius of a GPS coordinate.
| City | Crashes | Fatalities |
|---|---|---|
| LAKEWOOD | 111 | 117 |
| ARVADA | 24 | 27 |
| WESTMINSTER | 24 | 25 |
| WHEAT RIDGE | 18 | 18 |
| GOLDEN | 9 | 9 |
| MORRISON | 3 | 3 |
| Other | 3 | 3 |
| EDGEWATER | 3 | 3 |
When crashes happen
By month
| Month | Crashes |
|---|---|
| January | 17 |
| February | 17 |
| March | 14 |
| April | 27 |
| May | 31 |
| June | 26 |
| July | 33 |
| August | 31 |
| September | 32 |
| October | 30 |
| November | 16 |
| December | 29 |
Most dangerous hours
| Hour | Crashes |
|---|---|
| 18:00 | 23 |
| 19:00 | 22 |
| 17:00 | 22 |
| 20:00 | 22 |
| 12:00 | 19 |
| 21:00 | 19 |
| 15:00 | 18 |
| 23:00 | 17 |
| 14:00 | 17 |
| 13:00 | 13 |
Vehicles involved in fatal crashes
| Make | Vehicles involved |
|---|---|
| Toyota | 53 |
| Ford | 50 |
| Chevrolet | 47 |
| Harley-Davidson | 41 |
| Honda | 41 |
| Nissan/Datsun | 24 |
| Jeep / Kaiser-Jeep / Willys- Jeep | 22 |
| Dodge | 19 |
| Subaru | 18 |
| KIA | 16 |
Conditions
Weather
| Weather | Crashes |
|---|---|
| Not Reported | 161 |
| Clear | 119 |
| Cloudy | 12 |
| Rain | 5 |
| Snow | 5 |
| Severe Crosswinds | 1 |
Collision type
| Type | Crashes |
|---|---|
| Single vehicle / pedestrian / object | 198 |
| Angle | 53 |
| Front-to-Front | 22 |
| Front-to-Rear | 13 |
| Sideswipe - Same Direction | 11 |
| Sideswipe - Opposite Direction | 4 |
| Other | 2 |
Need crash data for a specific location in Jefferson County?
Our intersection report shows every fatal crash within any radius of a GPS coordinate — with a map, event sequence, contributing factors, vehicle and person details. Used by attorneys for discovery and insurance teams for risk assessment.
For programmatic access to Jefferson County crash data, see the API guide. $19/mo for full access.
Data source: NHTSA Fatality Analysis Reporting System (FARS), 2017-2023. Updated annually.
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