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March 19, 2026

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Motorcycle Crash Blocks Northbound Onramp, Response Underway

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March 19, 2026 | Walnut Creek, CA

Emergency crews are responding to a motorcycle collision that has closed a northbound onramp in Walnut Creek. The crash took place at about 12:25 a.m. early March 19, leading to the deployment of Engine 4 and American Medical Response (AMR) units on an outside service call. Traffic is heavily disrupted in the surrounding area.

E4 & AMR On Scene motorcycle collision blocking the North Bound onrampMotorcycle Crash Blocks Northbound Onramp, Response Underway

Investigators are working to determine the cause, and updates on any injuries or other consequences are not yet available.

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