Chengdu Metro Line 7, the city's first circular subway line, officially opened to the public on December 6, 2017. Spanning approximately 38.6 kilometers with 31 stations, it connects major transportation hubs including the Chengdu North, South, and East Railway Stations. For daily operations, the first trains typically depart at 6:15 AM, while the final service of the night concludes around midnight, with specific closing times reported between 10:55 PM and 12:11 AM depending on the station and direction of the loop. This light-blue colored line serves as an inner circle for the city's transit network, significantly reducing travel times for residents and visitors navigating the city center.