Longmont, CO Traffic and Accidents

• 1
  Route 1 Longmont Traffic
• 119
  CO-119 Longmont Traffic
• 119
  CO-119 S Longmont Traffic
• Other Colorado Cities
• Longmont Car Accidents
• Longmont Motorcycle Accidents

DOT Accident and Construction Reports

• County Road 38 Road is closed from Margil Rd to E I25 Frontage Rd.

  Road Closed

  TYPE: Construction Moderate

• County Road 38 Road is closed from E I25 Frontage Rd to Margil Rd.

  Road Closed

  TYPE: Construction Moderate

Longmont CO News Reports

• Cyclist dies in crash with vehicle north of Longmont

  • Colorado
  • Longmont
  • US 287

  • source: Bing
  • 5 views
  • Sep 27, 2025 8:59pm
  287

  The cyclist was pronounced dead at the scene. The 50-year-old man driving the Honda was not injured and remained at the crash site. Read More

• Longmont and Boulder County area cone zones for Sept. 27-Oct. 3

  • Colorado
  • South Boulder Road

  • source: Bing
  • 152 views
  • Sep 27, 2025 04:00am
  The city of Boulder is conducting a waterline replacement project that will have several traffic impacts through February. Read More

• Isabelle Road reopens after 2-vehicle crash at U.S. 287 intersection

  • Colorado
  • Longmont
  • US 287

  • source: Bing
  • 2 views
  • Sep 23, 2025 2:28pm
  287

  The Colorado State Patrol is responding to a two-vehicle crash north of Lafayette in the area of U.S. 287 and Isabelle Road. CSP responded to a call at 8:22 a.m. Read More

• Delay in federal funding slows Longmont road safety plan

  • Colorado
  • Longmont
  • US 287

  • source: Bing
  • 2 views
  • Sep 21, 2025 11:40am
  287

  Longmont's Vision Zero set out in 2023 with the goal of reducing traffic deaths and severe injury crashes on the city's roads to zero. A year into the campaign, they're still waiting on federal ... Read More