A motorcycle is towed from the scene of a two-vehicle crash at Brink Street and Marengo Road in Harvard Sunday. | Photo: Alex Vucha / Lake and McHenry County Scanner.

A motorcycle driver was flown to the hospital in critical condition and a passenger was also hurt after a crash with a pickup truck in Harvard on Sunday.

The Harvard Fire Protection District and Harvard Police Department responded around 4:40 p.m. Sunday to Marengo Road and West Brink Street for a two-vehicle crash with injuries.

Emergency crews found a Chevrolet pickup truck and a motorcycle involved in the crash.

A man driving the motorcycle suffered serious injuries and one of Mercyhealth’s emergency field vehicles — called MD-1 — was called to the scene to help treat him.

MD-1 vehicles are staffed by residency-trained emergency medicine physicians and they can help paramedics stabilize a patient before they are transported to the hospital from a scene.

A medical helicopter arrives at the scene of a two-vehicle crash at Brink Street and Marengo Road in Harvard Sunday. | Photo: Alex Vucha / Lake and McHenry County Scanner.

The man was flown by a Mercyhealth React helicopter to Javon Bea Hospital-Rockton in Rockford in critical condition, according to the Harvard Fire Protection District.

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A female passenger on the motorcycle suffered non-life-threatening injuries and was transported to Mercyhealth Hospital in Harvard, fire officials added.

The driver of the pickup truck was not injured. The roadway was closed for just under an hour.

The crash remains under investigation by the Harvard Police Department, who is expected to release more information Monday afternoon.