
Guard rails prevent cars and trucks from going off the road and entering terrain that may cause rollovers, falling into bodies of water, or colliding with dangerous objects. Because they are designed with cars and trucks in mind, guard rails do little to enhance the safety of motorcyclists. In fact, they are often more dangerous to the biker than the roadside terrain itself. Hitting a guard rail head-on can eject the rider over it. However, the more common motorcycle accidents involve collisions at a slanted or oblique angle with the.