This accident happened on a stretch of highway M-5 between Ufa and Chelyabinsk on the repaired bridge over the river Silguy. Chinese truck Shaanxi Shacman F3000 with failed brakes crashed into the convoy of five cars slowed down before the bridge: two people were killed and another six were injured. Such accidents — are not uncommon, and we tried to figure out what the main cause of accidents and how to avoid them.