Lindsay Lohan speeding caused crash?

Lindsay Lohan was speeding before her crash In her recent car accident, looks like she was speeding. One source said, "The investigation is almost complete, and Lindsay was speeding in the moments before the accident." "She was probably going 10 miles over the posted speed limit, which would have been around 50 miles per hour. There were no skid marks, which indicate that Lindsay was indeed speeding and didn't have time to even hit the brakes before she crashed into the truck." "Lindsay is lucky to be alive, and that no one else got seriously injured." Source