Ridership is a term commonly used to refer to the number of individuals who use public transportation such as buses, trains, and subways. However, there are several synonyms that can be used in place of the term ridership. One of the most common synonyms is passenger traffic which refers to the number of passengers using public transportation. Another synonym for ridership is patronage which typically refers to the number of individuals who frequent a particular service or establishment. Other synonyms for ridership include ridership numbers, ridership counts, and ridership figures. Regardless of the term used, these synonyms all refer to the same concept of measuring the usage of public transportation by individuals.