Floor 1, north BM 1 parking lot of Hongqiao Railway Station. According to Baidu map, there are four floors in the parking lot P9 on the north side of Hongqiao Railway Station, which are B 1, bm2, BM 1 and 1F from bottom to top, and the basement of BM2 of Hongqiao Railway Station is the basement of BM 1. Hongqiao Railway Station is located directly below Shanghai Hongqiao Railway Station in Minhang District, Shanghai. It is a subway station under the jurisdiction of Shanghai Shentong Metro Co., Ltd., a transfer station for Shanghai Metro Line 2, Shanghai Metro 10 and Shanghai Metro 17, and the main line of 10 and the terminal of 17.