Published: Oct 23, 2012 4:05 PM EDT
Updated: Oct 23, 2012 6:46 PM EDT

COLLIER COUNTY, Fla.- A possibly fatal vehicle crash has caused a roadblock on I-75 at mile marker 83. This is on Alligator Alley.

The Collier County Sheriff's department says this is a rollover crash.

Avoid the area or expect delays.