U.S. Cars, Trucks Require Collision Prevention Systems U.S. Safety Officials Say – Supply Chain 24/7

These systems actually work well. I had one in my Lexus IS 250 and it was wonderful. Useful also were the Lane Keeper and the cameras.  Trucks and other vehicles should all have them.

http://www.supplychain247.com/article/us_cars_trucks_require_collision_prevention_systems