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Two-vehicle crash on Alcosta on-ramp to I-680

Heard on: California Highway Patrol - Alameda County
00:22
00:00
Eleven 83 , Alcosta on-ramp to southbound 680 .
audio iconTraffic
I-680, San Ramon, CA

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Recent Traffic Incidents in San Ramon, CA

AI Summary

Traffic reported near I-680, San Ramon, CA on Feb 22, 2026, 9:04 AM. As discussed during the dispatch call, units responded to a possible traffic collision involving a black sedan and another unknown vehicle on the right shoulder of the Alcosta on-ramp to southbound I-680. AI-generated summary from public dispatch audio. Not an official report.

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