MOTOR VEHICLE ACCIDENT NEAR ROCK VALLEY — JUNE 19 – Sioux County Sheriff

Published
June 20, 2026
Outcome
Injured
Location
Rock Valley, Iowa
Highway 18, five miles east of Rock Valley
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Incident type
Crash

Summary

Car Crash Rock Valley Iowa in Rock Valley, Iowa: On Friday, June 19, at 2:06 PM, the Sioux County Sheriff's Office investigated a motor vehicle accident on Highway 18, five miles east of Rock Valley, Iowa. Dayton Brunsting, age 24, of Sioux City, was driving a 2017 Subaru Outback westbound on Highway 18 and slowed for a vehicle turning off the highway. Douglas Postma, age 70, of Rock Valley, driving a 2008 Peterbilt TR 86000 behind Brunsting, rear-ended the Subaru. No injuries were reported.

Publicly reported parties

Name Role Status
Douglas Postma Unknown Unknown

Original reporting

MOTOR VEHICLE ACCIDENT NEAR ROCK VALLEY — JUNE 19 – Sioux County Sheriff

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