Public transit refers to a system of transportation that is available for use by the general public, typically consisting of buses, trains, subways, and ferries. These services are designed to provide affordable and efficient travel options for individuals, reducing the reliance on personal vehicles and helping to alleviate traffic congestion in urban areas. In addition to improving accessibility, public transit plays a crucial role in promoting environmental sustainability by lowering greenhouse gas emissions. Cities around the world invest in public transit infrastructure to enhance mobility, support economic growth, and improve the quality of life for residents, making it an essential component of modern urban planning.