Pennsylvania law requires automobiles to share the road with cyclists, but there are a number of other rules of the road both kinds of commuters must be aware of:
• State law requires cyclists 12 and under to wear a helmet.
• Bicycles are considered vehicles and must follow the flow of traffic including stop signs and traffic signals.
• Cyclists can be found at fault in a collision if they ride in violation of traffic laws.
• Bicyclists may ride on the shoulder or the road itself, depending on traffic speed, road conditions, and other safety factors.
• Bikes may not carry more people than they are designed for, but an adult may transport a child in a secure carrier or trailer.
• Those who ride between sunset and sunrise are required to equip their bike with a front lamp along with rear and side reflectors.
• Pedestrians have the right-of-way on sidewalks and bike paths. Cyclists are asked to give an audible signal as they approach.
• Cyclists are not permitted to ride on a sidewalk in a business district unless permitted by official traffic control devices or where a bicycle-only lane is available.
• Bicycles are not permitted on freeways.
• Cyclists should signal a left turn by extending their left arm horizontally, a right turn by either extending their right arm horizontally or their left arm upward, and a stop by extending their left arm downward.