Expressways lack many of the hazards common to ordinary urban and rural roads. Traffic doesn’t enter from side streets, driveways, and parking lots, and the traffic flow is more uniform. But expressways have their own unique set of dangers that can cause motorcycle accidents. In addition, if an accident should happen on an expressway, the higher speeds increase its injury and fatality potential. This is why motorcyclists should exercise caution and avoid these two dangerous riding mistakes: Riding Into the Blind Spots of Other Vehicles When passing a vehicle in.