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Possible match

Collision — no injuries reported

Collision near Arrow Hwy off-ramp

October 8, 2026 · 10:15 AM

  • Arrow Hwy off-ramp
  • SR-57
  • San Dimas

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What the source reported

At approximately 10:15 AM, a traffic collision was reported on SR-57 northbound near Arrow Hwy Ofr in San Dimas. A semi-truck was reported involved. A vehicle was reported on the right shoulder.

Written from the CHP dispatch record below. Dispatch notes reflect what was reported at the time and can be incomplete or later corrected.

See complete source detailsTimeline, dispatch log, and record data
  • on the right shoulder
  • semi-truck involved

What happened, step by step

  1. 10:16 AMCollision reportedA caller reported a semi-truck.
  2. 10:19 AMVehicle information reportedAs logged81-207 REQ ASC IF VEHS CAN EXIT
  3. 10:21 AMDispatch updateAs loggedLL RP - IN GP - ADVS NEG CAN NOT GET OUT INTO TRFC

Every entry in the dispatch record below is represented here.

Dispatch log

3 entries
  1. +0:0010:16RP IN A GRN PETERBILT VS SEMI TRK ON THE RS
  2. +0:0310:1981-207 REQ ASC IF VEHS CAN EXIT
  3. +0:0510:21LL RP - IN GP - ADVS NEG CAN NOT GET OUT INTO TRFC

About this information.

This page is generated automatically from publicly available California Highway Patrol computer-aided dispatch (CAD) data. Dispatch information is preliminary and unverified. It may contain errors, and it may change as an incident develops. This page is not an official collision report, and no official collision report is available on this website. Dispatch data does not identify any person involved in this incident, and no individuals are identified on this page. To request the official collision report, follow the agency instructions below.

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