The Istanbul Metro is a rapid transit system serving the city of Istanbul, Turkey. It began operations in 1989 and has since expanded to include multiple lines that connect various neighborhoods and key areas, making it a vital part of the city's public transportation network. The metro is known for its efficiency and modern trains, helping to reduce traffic congestion in the bustling metropolis. The system currently features several lines, including the M1, M2, and M4, among others. Each line is designed to facilitate easy transfers to other modes of transport, such as buses and trams. With its growing network, the Istanbul Metro aims to provide a convenient and reliable way for residents and visitors to navigate the city.