Headline: Major traffic congestion near Dyer Rd (Altamont Pass Rd) and W Grant Line Rd (Altamont Pass Rd) Severity: Major Type: JAM Location: Dyer Rd (Altamont Pass Rd) and W Grant Line Rd (Altamont Pass Rd) From: Dyer Rd (Altamont Pass Rd) To: W Grant Line Rd (Altamont Pass Rd) Coordinates: 37.74271, -121.60514 Started: 2026-05-01T00:06:00.000Z Ended: 2026-05-01T03:39:00.000Z Last reported: 2026-05-01T03:00:39.384Z Description: Stopped traffic. Accident Source: CrashStory.com Canonical: https://crashstory.com/incidents/TTI-7391c8f7-b6ff-4f6d-8fa7-718d7764acc0-TTL14839144876036001--major-dyer-rd-altamont-pass-rd-w-grant-line-rd-traffic-congestion/ JSON: https://crashstory-api-production.up.railway.app/api/incidents/TTI-7391c8f7-b6ff-4f6d-8fa7-718d7764acc0-TTL14839144876036001