Lauren Dobosz, Thomas Dobosz and their four children — Emma, Lucas, Nicholas and Ella. | Provided Photo

A father has died days after his family’s van was hit by a wrong-way driver, killing his wife and four children, as they were leaving for vacation on Interstate 90 in McHenry County.

The incident happened around 2:11 a.m. Sunday on Interstate 90 near mile marker 33.5, which is west of Route 23, between Marengo and Hampshire.

The Hampshire Fire Protection District, Marengo Fire and Rescue Districts, Genoa-Kingston Fire Protection District and Pingree Grove Fire Protection District responded to the scene with the Illinois State Police.

A preliminary investigation shows a blue 2005 Chevrolet full-size van was traveling westbound on Interstate 90.

Illinois State Police investigate a crash that left seven people dead, including children, on Interstate 90 near Anthony Road south of Marengo Sunday morning. | Photo: Captured News

A gray 2010 Acura TSX was traveling eastbound in the westbound lanes for unknown reasons, state police said.

The Acura struck the Chevrolet head-on. Both vehicles became fully engulfed in flames.

A medical helicopter landed on the interstate at the crash scene.

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The driver of the Chevrolet, Thomas Dobosz, 32, of Rolling Meadows, was able to get out of his vehicle.

Dobosz was airlifted to Loyola University Medical Center in Maywood with severe injuries, fire officials said.

He was pronounced dead Wednesday morning, his family and state police said.

Illinois State Police investigate a crash that left seven people dead, including children, on Interstate 90 near Anthony Road south of Marengo Sunday morning. | Photo: Captured News

The passenger of the Chevrolet, Lauren Dobosz, 31, of Rolling Meadows, was pronounced dead at the scene.

Five children in the Chevrolet were all pronounced dead at the scene as well, police said.

The children included a 5-year-old girl, 6-year-old boy, 7-year-old boy and two 13-year-old girls. All of the children were Rolling Meadows residents.

The driver of the Acura, identified as Jennifer Fernandez, 22, of Carpentersville, was pronounced dead at the scene.

The McHenry County Coroner’s Office is in the process of scheduling autopsies on the seven victims.

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Illinois State Police investigate a crash that left seven people dead, including children, on Interstate 90 near Anthony Road south of Marengo Sunday morning. | Photo: Captured News

Colleagues of Lauren Dobosz created a GoFundMe account Monday to raise money.

The Dobosz children included Emma, Lucas, Nicholas and Ella. The fifth child in the van was one of the kids’ friends, Kat.

“Lauren always made a great impression on everyone she met, she was full of life, laughter, and always a good time,” Lisa Torres said.

“We’re going to miss you Lauren and your spunky, sweet, sassy kids. We shall shine bright this year,” Torres said.

The fundraiser has collected over $95,000 in two days.

A relative of the Dobosz family said the family was headed on vacation when the crash occurred.

All westbound lanes of Interstate 90 near milepost 33 were closed for an investigation. Traffic was diverted off at Anthony Road.

Authorities said all westbound lanes had been reopened around 9:25 a.m. Sunday after being closed for over seven hours.

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The cause of the crash was not known and remains under active investigation, police said.