ST. LOUIS, Mo. — People can be seriously injured in a collision with a semi-truck. Most drivers are great at driving their vehicles. But, when a truck hits a car it weighs on average 16 times more than the other vehicle. This can cause extensive damage and injuries. It is important to know what to do if you’re in a collision. Mark Cantor from Cantor Injury Law shares his extensive experience in this episode of Ask the Experts.