Cyclists must be at least six years old, and cyclists younger than 12 must be accompanied by an adult and capable of carrying their own bike on and off the train. Bicycles must be single-rider, with a maximum of in length, and tandem or three-wheel bikes are not allowed. Bulky attachments such as training wheels, trailers, saddlebags, and baskets are similarly not allowed. Folding bicycles are not restricted and can be carried on any car when folded; they may not be placed on seats or block aisles.