Which subway line should I take from Chongqing North Railway Station to Changsheng Bridge?

10 line and 6 line. According to Baidu map, walk 232 meters from Chongqing North Station to Chongqing North Station Square, take rail transit 10 line to Houbao direction, take 3 stops, get off at Hongtudi Station, then take rail transit line 6 to Kaiyuancha, take 7 stops, and get off at Changshengqiao Station.