Distracted drivers – Add driver distraction to your being hard to see and you can understand why this one is gaining as the cause of a growing number of motorcycle wrecks. Vehicle drivers who fail to yield the legal right-of-way to motorcyclists Intoxicated or impaired (by alcohol or drugs) vehicle drivers Unsafe road conditions, such as potholes or roads under construction or repair which require bikers (or vehicles) to suddenly swerve into each other’s path