Always wear a Helmet. Be Alert Ride defensively and expect the unexpected. Make eye contact with drivers. Assume they do not see you until you are sure they do. Scan the Road Feel comfortable looking back over your shoulder, without losing your balance or swerving into the left lane.
Some bicyclists use rear-view mirrors.
Avoid Road Hazards Watch for sewer grates, manhole covers, oily pavement, gravel, ice and railroad tracks. Watch for chasing dogs. If the dog does not stop, dismount with your bike between you and the animal. Don't wear ear plugs or a headset covering both ears. You will greatly reduce your awareness of your surroundings.