A PRESS RELEASE FROM WYOMING HIGHWAY PATROL
[Cheyenne, WY] — July 1, 2026
Two Colorado residents are dead and four other people are hospitalized after a multi-vehicle crash in Natrona County. On June 26th at approximately 1:52 PM, troopers with the Wyoming Highway Patrol were alerted to a multi-vehicle crash at mile marker 58 of US 20-26, roughly 55 miles west of Casper.
Troopers arrived to find a 2024 Western Star tanker combination was westbound on 20-26 when the driver failed to stop for queued traffic that was waiting to enter a one-lane construction zone.
After failing to stop, the tanker struck seven other vehicles: a 2022 Chevrolet Silverado, 2026 Toyota Highlander, 2007 Toyota 4Runner, 2014 Subaru Outback, 2011 Chevrolet Camaro, 2022 Ram 1500, and a 2018 Chevrolet Impala.
The driver and passenger of the Chevrolet Silverado, identified as James Cox, 74, and Susan Cox, 69, both of Golden, CO, died at the scene.
Two passengers in the Toyota Highlander, a three-year-old juvenile and an adult male were both taken by helicopter to Wyoming Medical Center. A one-year-old juvenile and an adult female who were also in the Highlander were taken by ground ambulance to Wyoming Medical Center where they were treated and released.
The driver and passenger of the Toyota 4Runner, an adult female and an adult male, were taken by ambulance to Wyoming Medical Center where they were hospitalized.
Two other people were transported by ground ambulance to Wyoming Medical Center where they were treated and released. Seven others, including the driver of the tanker, were not injured.
This crash is still being investigated by Wyoming Highway Patrol, and any potential charges are still pending at the time of this release.
The tragic deaths in this crash bring fatalities on Wyoming roadways to 57 in 2026, compared to 53 in 2025 and 50 in 2024.
Release Contact:
Aaron Brown-PIO
Wyoming Highway Patrol
O: (307) 777-4247
C: (307) 823-0759
Aaron.Brown@wyo.gov
Information presented in this release is considered public information and may be distributed or copied. Use of appropriate byline/photo/image credit is requested. While the Wyoming Highway Patrol makes every effort to provide accurate and complete information, various data such as names, ages, etc., may change during the course of the investigation.
