State Police say a serious traffic accident happened Wednesday morning on northbound I-75 and Dixie Highway in the City of Lincoln Park.
Witnesses told police a silver Nissan, travelling north at a very high rate of speed, rear ended a Ford Mustang.
Both drivers were transported to local hospitals.
The driver of the Nissan was listed in critical condition and the other driver is listed in stable condition.
Police say seatbelts were used by both drivers.
Troopers are continuing to investigate the accident and are still trying to identify the driver of the Nissan.
Police say alcohol is a factor in the crash.