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Dust storms and highway visibility crashes in the American West

Dust storms and highway visibility crashes in the American West

Force in Play

Extreme winds and exposed soil create deadly zero-visibility hazards on interstate highways

February 18th, 2026: Pueblo County Coroner identifies four victims

Overview

Four people died and 29 were hospitalized when 85-mph gusts swept across Interstate 25 near Pueblo, Colorado on February 17, 2026, creating a 'brownout' that reduced visibility to zero and triggered a 36-vehicle pileup including seven semi-trucks. The victims—a father and son from Walsenburg, and two women from nearby communities—were killed in a chain-reaction collision that unfolded in seconds as drivers entered a wall of airborne dirt they could not see through or stop in time to avoid.

This is the pattern: agricultural dust and drought-exposed soil, extreme wind events, and high-speed interstate traffic that cannot stop in the 300 feet it takes for visibility to drop from clear to nothing. Since 2009, at least 18 people have died in major dust-related pileups on American highways. Arizona deployed the nation's first automated dust-detection warning system on I-10 in 2020, spending $6.5 million on sensors that detect storms 40 miles out and automatically reduce speed limits. Most vulnerable corridors—including Colorado's I-25—have no such technology, leaving drivers with no warning before entering zero-visibility zones.

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Key Indicators

4
Deaths in Colorado pileup
Fatalities in the February 17, 2026 I-25 brownout crash near Pueblo
36
Vehicles involved
Total vehicles including seven semi-trucks in the Colorado pileup
85 mph
Peak wind gusts
Maximum recorded wind speeds during the February 2026 event
$6.5M
Arizona detection system cost
Price of the automated dust-detection system Arizona deployed on I-10 in 2020

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People Involved

David L. Kirscht
David L. Kirscht
Deceased
 Scott L. Kirscht
Scott L. Kirscht
Deceased
 Mary Sue Thayer
Mary Sue Thayer
Deceased
 KarenAnn Marsh
KarenAnn Marsh
Deceased

Organizations Involved

Colorado State Patrol
Colorado State Patrol
State Law Enforcement Agency
Investigating I-25 crash

The state agency responsible for highway safety enforcement and crash investigation in Colorado.
Colorado Department of Transportation
Colorado Department of Transportation
State Agency
Managing highway closures and safety warnings

The state agency responsible for Colorado's highway infrastructure, maintenance, and safety messaging.
Arizona Department of Transportation
Arizona Department of Transportation
State Transportation Agency
Operating dust detection warning systems

The state agency that pioneered automated dust storm detection and warning technology on American highways.
National Weather Service
National Weather Service
Federal Agency
Issued warnings prior to Colorado crash

The federal agency responsible for weather forecasting and severe weather warnings across the United States.

Timeline

June 2009 February 2026

12 events Latest: February 18th, 2026 · 3 months ago Showing 8 of 12
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  1. Pueblo County Coroner identifies four victims

    Latest Investigation

    Victims identified as David and Scott Kirscht of Walsenburg, Mary Sue Thayer of Rye, and KarenAnn Marsh of Pueblo. Northbound I-25 remained closed for scene clearance.

  2. 36-vehicle pileup on I-25 kills four near Pueblo

    Major Incident

    Gusts up to 85 mph created brownout conditions at mile marker 92. A father and son from Walsenburg, and two women from Rye and Pueblo, were killed. Twenty-nine people were hospitalized.

  3. National Weather Service issues High Wind Warning

    Weather Alert

    The NWS Pueblo office issued a High Wind Warning effective until 2 p.m., forecasting sustained winds of 30-40 mph with gusts to 65 mph.

  4. CDOT activates high-wind warning message boards

    Safety Warning

    Colorado Department of Transportation began displaying warnings about high winds and Red Flag conditions on electronic message boards along I-25.

  5. Colorado closes I-25 and I-70 for high winds

    Road Closure

    CDOT ordered closures amid gusts exceeding 70 mph, restricting high-profile vehicles from I-70 between Deer Trail and the Kansas state line.

  6. Record-breaking March winds across central United States

    Weather Event

    Almost every city east of the Rockies recorded its windiest March on record, with over 1,500 reports of wind damage sent to the National Weather Service.

  7. Four die in I-10 dust storm crash near Phoenix

    Major Incident

    A multi-vehicle crash on I-10 near Tonopah, Arizona killed four people and injured several others during low-visibility dust conditions.

  8. Illinois I-55 dust storm pileup kills seven

    Major Incident

    Excessive winds blew dirt from farm fields across I-55 near Farmersville, Illinois, causing a 72-vehicle pileup that killed seven people and injured 37.

  9. Arizona deploys first-of-its-kind dust detection system

    Safety Milestone

    Arizona DOT activated automated dust-detection radar and visibility sensors on I-10 that can detect storms 40 miles away and automatically reduce speed limits.

  10. Haboob causes 19-car pileup on I-10, three dead

    Historical Incident

    A dust storm near Picacho Peak, Arizona caused a 19-vehicle crash that killed three people and injured a dozen others.

  11. Three I-10 pileups kill one, injure 15 near Picacho Peak

    Historical Incident

    A blinding dust storm caused three separate pileups involving dozens of vehicles on I-10 in Arizona. The incident prompted the 'Pull Aside, Stay Alive' campaign.

  12. Deadly I-10 dust storm pileup near Casa Grande, Arizona

    Historical Incident

    A haboob caused a multi-vehicle pileup on Interstate 10 between Phoenix and Tucson, marking the start of intensified focus on dust storm highway safety in Arizona.

Historical Context

3 moments from history that rhyme with this story — and how they unfolded.

May 2023

Illinois I-55 Dust Storm Pileup (2023)

On May 1, 2023, excessive winds blew dirt from freshly plowed farm fields across Interstate 55 near Farmersville, Illinois, creating sudden zero visibility. A 72-vehicle pileup including multiple tractor-trailers killed seven people and injured 37 others, with ages ranging from 2 to 80 years old.

Then

Illinois State Police determined agricultural dust was the direct cause. The crash renewed calls for windbreaks and cover crop requirements near highways.

Now

The incident demonstrated that dust storm crashes are not confined to the desert Southwest—any agricultural region with exposed soil and high winds is vulnerable.

Why this matters now

Both the Illinois and Colorado crashes involved agricultural dust crossing interstates during extreme wind events. Neither state had automated detection systems like Arizona's to warn drivers or reduce speeds.

2011-2013

Arizona I-10 Haboob Crashes (2011-2013)

A series of deadly dust storm pileups on Interstate 10 between Phoenix and Tucson killed at least four people and injured dozens across multiple incidents. The October 2011 crash near Picacho Peak killed one and injured 15 in three separate pileups. A 2013 haboob at the same location killed three more.

Then

Arizona DOT launched the 'Pull Aside, Stay Alive' public education campaign and began planning an automated detection system.

Now

By 2020, Arizona deployed a $6.5 million dust detection and warning system with radar, visibility sensors, and automated variable speed limits. The system has activated during an estimated 50 dust events and data shows motorists slow down when speeds are reduced.

Why this matters now

Arizona's experience proves that automated warning technology works and can be deployed cost-effectively. The question is why vulnerable corridors in other states—including Colorado's I-25—still lack such systems after years of documented risk.

1931-1939

1930s Dust Bowl Highway Deaths

During the Dust Bowl, massive dust storms across the Great Plains caused numerous vehicle crashes and deaths as drivers were blinded by airborne topsoil. Poor land management and severe drought created conditions that mobilized millions of tons of soil.

Then

Thousands of traffic crashes and deaths were attributed to dust storm visibility loss during the Dust Bowl years.

Now

The catastrophe led to the creation of the Soil Conservation Service (now NRCS) and widespread adoption of conservation practices including windbreaks, cover crops, and contour plowing.

Why this matters now

The 1930s showed that poor land management and severe drought can mobilize enough soil to shut down transportation corridors entirely. The I-25 corridor passes through similarly exposed agricultural land, and the February 2026 crash demonstrated that modern highways face the same basic vulnerability: when soil is loose and wind is strong, visibility drops faster than traffic can stop.

Sources

(10)
+4
Colorado Sun CBS Colorado KRDO Colorado Department of Transportation Arizona Department of Transportation CNN Scientific American Science Colorado Public Radio The Watchers