Mass Transit: Mass transit refers to public transportation systems designed to move large numbers of people efficiently. It typically includes buses, trains, subways, or light rail systems that operate within urban areas.
Sustainable Transportation: Sustainable transportation focuses on modes of travel that have minimal negative impacts on the environment. It promotes energy-efficient vehicles, alternative fuels, walking, cycling, and public transportation as alternatives to private car use.
Commuter Rail: Commuter rail is a type of passenger train service that primarily serves suburban areas by transporting people between their homes and workplaces in urban centers. It offers scheduled trips during peak commuting hours.