Published: Aug 20, 2011 3:30 AM EDT

NAPLES, Fla. - A two vehicle crash near Miami Lakes left 3 people dead and two people in the hospital.

It happened on southbound Interstate 75 Friday morning.

Of the 3 people killed were a pregnant woman, her unborn child and her husband.

37 year old Nadia Tomasi and her husband were on their way to Miami International Airport to board a plane to Cuba.

The couple were going to see family before the baby was born.

According to the Florida Highway Patrol, the collision happened at about 5 a.m. on the southbound lanes of I-75 just north of Northwest 138th Street.

Traffic was backed up for miles on I-75 and commuters were detoured onto Miami Gardens Drive but the southbound lanes have since re-opened.

The cause of the crash remains undetermined.