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Most Dangerous Cities to Drive In — Colorado

Ranked by NHTSA fatal-crash data (5-year window)

Quick answer

According to crimebycity.com's analysis of NHTSA data, the most dangerous city to drive in in Colorado is Brighton, CO with 16.2 traffic deaths per 100,000 residents per year (Road Danger Score 88/100), vs a US average of 12.3.

Highest Traffic-Fatality Rates in Colorado

Cities ranked by Road Danger Score — 5-year traffic deaths per 100,000 residents from NHTSA FARS.

# City Danger Score Deaths per 100K/yr Deaths (5-Yr) Alcohol % Speeding %
1 Brighton 88/100 16.2 35 53% 25%
2 Pueblo 87/100 15.9 88 34% 39%
3 Federal Heights 79/100 12.9 9 22% 67%
4 Wheat Ridge 78/100 12.7 20 22% 17%
5 Commerce City 75/100 12.0 42 51% 38%
6 Aurora 74/100 11.8 235 36% 32%
7 Lakewood 71/100 11.3 88 38% 33%
8 Fountain 68/100 10.7 15 43% 50%
9 Colorado Springs 65/100 10.1 247 32% 32%
10 Durango 65/100 10.0 10 40% 10%
11 Golden 64/100 9.9 10 40% 60%
12 Grand Junction 62/100 9.6 34 32% 27%
13 Denver 59/100 9.2 332 37% 33%
14 Frederick 55/100 8.5 8 33% 50%
15 Loveland 54/100 8.5 34 41% 41%
16 Englewood 52/100 8.1 14 31% 23%
17 Greenwood Village 51/100 8.0 6 0% 40%
18 Thornton 51/100 8.0 58 37% 26%
19 Greeley 49/100 7.7 44 24% 31%
20 Westminster 48/100 7.5 43 27% 46%
21 Montrose 47/100 7.4 8 71% 29%
22 Firestone 45/100 7.3 7 57% 14%
23 Lone Tree 45/100 7.1 5 20% 60%
24 Fort Collins 38/100 6.2 53 22% 28%
25 Longmont 37/100 6.1 30 35% 21%
26 Lafayette 36/100 5.9 9 33% 22%
27 Broomfield 35/100 5.9 23 38% 43%
28 Northglenn 28/100 5.2 10 30% 30%
29 Parker 26/100 5.0 16 13% 33%
30 Littleton 26/100 5.0 11 36% 36%
31 City Of Centennial 18/100 3.9 21 37% 37%
32 Arvada 16/100 3.7 22 41% 27%
33 Castle Rock 13/100 3.1 13 39% 31%
34 Boulder 12/100 3.0 16 29% 36%
35 Windsor 6/100 1.9 4 50% 0%

Frequently Asked Questions

What is the most dangerous city to drive in in Colorado?

Brighton, CO has the highest traffic-fatality rate in Colorado: 16.2 deaths per 100,000 residents per year (most recent five-year period, NHTSA FARS), a Road Danger Score of 88/100.

What causes traffic deaths in these cities?

Across these 35 cities, an average of 35% of fatal crashes involved a drinking driver and 33% involved speeding (NHTSA FARS, most recent five-year period). These shares run higher than the safest-city list, alongside structural factors like road type and speed limits.

How is the Road Danger Score calculated?

The Road Danger Score is a percentile ranking from 1 to 100 based on each city's five-year traffic-fatality rate (deaths per 100,000 residents per year) from NHTSA FARS data: 100 = most dangerous to drive in, 1 = safest. See the methodology page for the full formula.

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