Just before 8pm I-45 southbound at the Montgomery /Walker County line was closed to to a fatal crash. At this hour it is in the cleanup stage however only one inside lane is getting by and the feeder. Many motorists tried to cross the median to the feeder and are now stuck in the ditches. Just before 8pm a driver was southbound when the driver, for unknown reasons drifted to the right shoulder running over several safety reflectors and slamming into the back of an 18-wheeler. The victim was transported to Conroe Regional where the driver was pronounced deceased. There were no passengers. We will update this story shortly. I-45 is backed up several miles.