The Shenzhen Metro is a rapid transit system serving the city of Shenzhen, China. It began operations in 2004 and has since expanded to include multiple lines that connect various districts and key locations within the city. The metro is known for its efficiency, cleanliness, and affordability, making it a popular choice for both residents and visitors. As of 2023, the Shenzhen Metro comprises over 400 kilometers of track and more than 200 stations. It is an essential part of the city's public transportation network, helping to reduce traffic congestion and promote sustainable urban mobility. The system is operated by the Shenzhen Metro Group.