How dangerous are the roads in Longmont, Colorado?

Longmont experiences approximately 6,080 car accidents annually. While this may seem high, it's important to consider the city's population and traffic volume when assessing road safety.

What are the most dangerous roads in Longmont?

The most dangerous roads in Longmont are typically major arterials and highways with high traffic volumes. These areas see higher crash rates due to speed differences and frequent lane changes.

How long do I have to file a car accident claim in Longmont, Colorado?

In Colorado, you generally have 3 years from the date of the accident to file a personal injury claim and 2 years for wrongful death claims. However, it's best to consult with an attorney promptly to protect your rights.

Boulder County, Colorado

Car Accidents in Longmont, Colorado

Name: Longmont Car Accident Data
Creator: CrashStory
License: https://crashstory.com/terms/

Longmont has 6,080 reported crashes, 2,058 injuries, and 16 fatalities. Explore dangerous roads, recent collisions, and trend changes across the city below.

Recent Crashes

May 20, 2026

Property Damage

TERRY ST

Property Damage collision with no injuries reported in current record.

May 6, 2026

Minor Injury

S HOVER ST

3 injuries reported. Minor Injury collision.

Property Damage collision with no injuries reported in current record.

May 5, 2026

Property Damage

E KEN PRATT BLVD

Property Damage collision with no injuries reported in current record.

May 4, 2026

Property Damage

LOIS PL

Property Damage collision with no injuries reported in current record.

Most Dangerous Roads in Longmont

1

Main Street

783

crashes

2 fatalities

288 injuries

See Main Street car accident data

2

Ken Pratt Boulevard

611

crashes

1 fatalities

227 injuries

See Ken Pratt Boulevard car accident data

3

Hover Street

464

crashes

3 fatalities

191 injuries

See Hover Street car accident data

4

9th Avenue

198

crashes

0 fatalities

72 injuries

See 9th Avenue car accident data

5

17th Avenue

175

crashes

1 fatalities

83 injuries

See 17th Avenue car accident data

6

3rd Avenue

131

crashes

1 fatalities

31 injuries

See 3rd Avenue car accident data

7

Nelson Road

114

crashes

0 fatalities

45 injuries

See Nelson Road car accident data

8

MAIN ST

110

crashes

2 fatalities

39 injuries

See MAIN ST car accident data

9

KEN PRATT BLVD

90

crashes

0 fatalities

34 injuries

See KEN PRATT BLVD car accident data

10

Mountain View Avenue

79

crashes

0 fatalities

23 injuries

See Mountain View Avenue car accident data

High-Crash Census Tracts in Longmont

Census tracts show which smaller areas inside Longmont carry the highest crash volume in the active CrashStory dataset.

Census Tract

Census Tract 132.10

2025 snapshot + all-time context

42.6 / 1k in 2025

2025 Crashes

252

2025 Injuries

78

Serious or Fatal

11

All-Time Crashes

941

Population: 5,909
Density / sq. mi.: 2,737

View tract page

Census Tract

Census Tract 133.02

2025 snapshot + all-time context

38.6 / 1k in 2025

2025 Crashes

194

2025 Injuries

54

Serious or Fatal

9

All-Time Crashes

593

Population: 5,021
Density / sq. mi.: 3,445

View tract page

Census Tract

Census Tract 132.11

2025 snapshot + all-time context

23.7 / 1k in 2025

2025 Crashes

161

2025 Injuries

44

Serious or Fatal

1

All-Time Crashes

478

Population: 6,799
Density / sq. mi.: 336

View tract page

Census Tract

Census Tract 134.01

2025 snapshot + all-time context

41.1 / 1k in 2025

2025 Crashes

146

2025 Injuries

41

Serious or Fatal

2

All-Time Crashes

449

Population: 3,552
Density / sq. mi.: 2,913

View tract page

Census Tract

Census Tract 132.12

2025 snapshot + all-time context

24.6 / 1k in 2025

2025 Crashes

121

2025 Injuries

47

Serious or Fatal

8

All-Time Crashes

365

Population: 4,917
Density / sq. mi.: 1,501

View tract page

Census Tract

Census Tract 134.02

2025 snapshot + all-time context

14.4 / 1k in 2025

2025 Crashes

116

2025 Injuries

38

Serious or Fatal

3

All-Time Crashes

379

Population: 8,029
Density / sq. mi.: 3,676

View tract page

Census Tract

Census Tract 135.03

2025 snapshot + all-time context

18.3 / 1k in 2025

2025 Crashes

91

2025 Injuries

36

Serious or Fatal

3

All-Time Crashes

285

Population: 4,983
Density / sq. mi.: 6,617

View tract page

Census Tract

Census Tract 133.06

2025 snapshot + all-time context

17.7 / 1k in 2025

2025 Crashes

82

2025 Injuries

33

Serious or Fatal

4

All-Time Crashes

297

Population: 4,634
Density / sq. mi.: 6,033

View tract page

Crash Statistics for Longmont

Coverage window: Jan 1, 2023 - May 20, 2026

6,080

Total Crashes

16

Fatalities

2,058

Injuries

Motor Vehicle Crash

Most Common Type

Case Value Signals in Longmont

Aggregates from crash records in this area that may indicate higher-value personal-injury cases. These counts are a lower bound and may include claims not yet realized (delayed-onset injuries are common). Not legal advice.

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Commercial vehicle crashes

69

At-fault vehicle classified as commercial, bus, heavy truck, or similar defendant class.

Wrongful-death cases within SoL

0

Fatal crashes potentially still within Colorado's 2-year wrongful-death statute. May be eligible for a claim.

High-value cases (tier 4-5)

2

Commercial or rideshare at-fault combined with serious or fatal injury. Attorney discovery candidates.

Rideshare-suspected crashes

12

At-fault vehicle matches rideshare/taxi signals. Signal only — not a confirmation of Uber/Lyft involvement.

Potentially eligible claimants

At least 201

Sum of non-at-fault occupants and non-motorists across all crashes in Longmont. Lower bound — delayed-onset injuries can expand this pool after the fact.

1,617 crashes still within Colorado's statute of limitations.

At-fault vehicles by class

Commercial-tier data not yet classified for this area.

These numbers are auto-classified from crash records and are informational only. They are not legal advice and do not guarantee a claim exists. Delayed-onset symptoms (soft-tissue injuries, concussions) can qualify additional people beyond what raw crash reports show.