It also provides safety advice not included in the law. This manual is not a proper legal authority to cite and should not be relied upon in a court of law. Traffic regulations in cities, towns and counties may go beyond state laws, as long as they do not conflict with state law. This booklet was prepared to help adult bicyclists and parents of younger bicyclists understand how to ride safely and legally on the streets, roads and highways of Oregon. This manual condenses and paraphrases language