Headline: Moderate traffic congestion near Federal Blvd (Denver Boulder Tpke / US-36) and Flatiron Cir (Denver Boulder Tpke / US-36) Severity: Moderate Type: JAM Location: Federal Blvd (Denver Boulder Tpke / US-36) and Flatiron Cir (Denver Boulder Tpke / US-36) From: Federal Blvd (Denver Boulder Tpke/US-36) To: Flatiron Cir (Denver Boulder Tpke/US-36) Coordinates: 39.91877, -105.09916 Started: 2026-03-24T13:28:30.000Z Ended: 2026-03-24T15:19:00.000Z Last reported: 2026-03-24T14:29:47.453Z Description: Backed up traffic. Multi-vehicle accident Source: CrashStory.com Canonical: https://crashstory.com/incidents/TTI-6878eb0c-5ddd-4dc1-a72a-d13b1af3237f-TTL18434478220034000--moderate-federal-blvd-denver-boulder-tpke-us36-flatiron-cir-traffic-congestion/ JSON: https://crashstory-api-production.up.railway.app/api/incidents/TTI-6878eb0c-5ddd-4dc1-a72a-d13b1af3237f-TTL18434478220034000