Multi-Vehicle Crash Shuts Down I-80 Near Greenwood During Winter Storm

At least 20 vehicles involved in pileup as blizzard conditions hit eastern Nebraska

Mar. 15, 2026 at 10:56pm

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A multi-vehicle crash on Interstate 80 near Greenwood, Nebraska on Sunday afternoon forced authorities to shut down a portion of the highway as a winter storm with heavy snow and high winds caused whiteout conditions across the region. The Nebraska State Patrol and Cass County Sheriff's Office were still investigating the incident, which involved at least 20 vehicles.

Why it matters

Major highway closures due to weather-related crashes can significantly disrupt travel and commerce in the region, especially during a winter storm. This incident highlights the dangers drivers face when severe weather hits, and the importance of emergency response coordination to manage these types of large-scale incidents.

The details

The crash occurred around mile marker 420 on I-80 in western Cass County. An emergency vehicle responding to the initial incident was also struck, leading authorities to shut down the westbound lanes of the interstate between Greenwood and the Mahoney State Park. The Nebraska Department of Transportation reported winds gusting up to 65 mph, creating whiteout conditions that likely contributed to the multi-vehicle pileup.

  • The crash occurred on Sunday, March 15, 2026 around the afternoon hours.
  • A portion of I-80 westbound remained closed for several hours as emergency crews worked to clear the scene.

The players

Nebraska State Patrol

The state law enforcement agency investigating the multi-vehicle crash on I-80.

Cass County Sheriff's Office

The local law enforcement agency assisting with the response and investigation of the incident.

Nebraska Department of Transportation

The state agency that reported on the severe winter weather conditions, including wind gusts up to 65 mph, that contributed to the crash.

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What they’re saying

“TRAFFIC ALERT! I-80 westbound is closed at mile marker 435 due to a large crash. Please avoid the area if possible. Check Nebraska 511 for the latest on road closures and travel conditions.”

— Nebraska DOT

What’s next

Authorities will continue investigating the cause of the multi-vehicle crash and work to reopen the westbound lanes of I-80 as soon as it is safe to do so.

The takeaway

This incident underscores the importance of exercising extreme caution when driving in severe winter weather conditions, and the need for coordinated emergency response to manage large-scale highway incidents that can significantly disrupt travel and commerce.