Tragedy Strikes on Interstate 55: Massive Car Crashes Caused by ‘Superfog’ and Marsh Fire Smoke

Tragedy struck on Monday morning as a series of massive car crashes unfolded on Interstate 55 near New Orleans, Louisiana. The crashes, involving a staggering 158 vehicles, were caused by a combination of dense fog and smoke from south Louisiana marsh fires.[0] At least seven people lost their lives in the fiery wrecks, with another 25 individuals sustaining injuries.[0]

The incident, which occurred during what has been described as “superfog” conditions, left authorities grappling with the aftermath of the devastating crashes. Governor John Bel Edwards expressed his condolences and urged Louisianans to keep the victims and their families in their thoughts and prayers.[1] He emphasized the dangerous nature of the combination of wildfire smoke and dense fog and urged caution for those traveling in affected areas.

In addition to expressing gratitude towards first responders and medical personnel who worked diligently to save lives and provide aid, Governor Edwards encouraged the public to donate blood at local blood donation centers.[2] The crash resulted in a heightened need for blood supplies, and donating blood would help replenish the depleted stocks.

Preliminary investigations revealed the staggering scale of the crash, with at least 158 vehicles involved. The severity of the incident led to delays and closures on Interstate 55, with authorities working to clear the wreckage and assess damages. The crashes also prompted several New Orleans schools to announce delayed start times for the following day, due to hazardous driving conditions caused by lingering marsh fire smoke and morning fog.[3]

The unique weather phenomenon responsible for the devastating crashes is known as “super fog.” It occurs when dense fog combines with smoke from wildfires, reducing visibility to dangerous levels. The National Weather Service described super fog as a fog so thick that visibility can worsen to less than 10 feet.[4] This poses a significant risk when present on highways, as it severely impairs drivers' ability to see and react to their surroundings.[5]

Authorities urged drivers to exercise caution in heavy fog conditions, advising them to use alternative routes, keep their headlights on, reduce speed, and maintain a safe distance from other vehicles on the road.[6] The combination of smoke and fog created a treacherous environment, leading to multiple accidents and the loss of lives.

The crashes also highlighted the importance of preparedness and response efforts. The Blood Center, recognizing the urgent need for blood donations, called upon the public to contribute in the wake of the crashes.[7] The organization emphasized that donating blood would help replenish the supplies necessary to care for the wounded.

Drone footage captured the extent of the devastation, with the smoke from the burning vehicles mixing into the dense fog.[4] The collisions left many vehicles crumpled and charred, illustrating the severity of the accidents.

As the investigation continues, state police are urging anyone with information about missing family members who may have been traveling in the area to come forward.[8] The authorities are working diligently to account for all individuals involved in the crashes.

The tragic events on Interstate 55 serve as a reminder of the unpredictability of weather conditions and the need for caution on the roads. It is crucial for drivers to remain vigilant and adapt their driving habits to ensure the safety of themselves and others.[9]

0. “Louisiana pileup: ‘Superfog' made of fog and marsh fire smoke blamed for 7 deaths, traffic pileups, road closures” WLS-TV, 23 Oct. 2023,

1. “7 dead, 25 injured, 158 cars damaged in foggy crash on I-55”, 23 Oct. 2023,

2. “Louisiana ‘super fog' pileup on interstate leaves 7 dead, 25 injured, over 150 vehicles damaged” Fox News, 24 Oct. 2023,

3. “”Super fog” in metro New Orleans leads to massive pileup that killed 7, involved 158 vehicles” Axios, 24 Oct. 2023,

4. “Louisiana pileup caused by super fog turns deadly on I-55 near New Orleans” Fox Weather , 23 Oct. 2023,

5. “Two killed, 30 hurt when ‘superfog’ causes fiery pileup on Louisiana bridge, cops say” Miami Herald, 23 Oct. 2023,

6. “Multiple wrecks on I-55 in heavy fog; Louisiana State Police urge drivers to slow down” The Advocate, 23 Oct. 2023,

7. “Blood donations needed in wake of multi car crash on I-55” WDSU New Orleans, 23 Oct. 2023,

8. “LSP: Seven people killed, 158 vehicles involved in crash along I-55” WBRZ, 23 Oct. 2023,

9. “John Bel Edwards urges prayer, blood donations after huge Louisiana I-55 crash”, 23 Oct. 2023,

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