According to Baidu map, the process of querying hitchhiking is as follows:

1. Walk 320 meters at Chongqing West Railway Station, get on at Chongqing West Railway Station, take the 9-stop rail transit loop (in the direction of Chongqing Library), and get off at Ranjiaba Station.

2. Get on the train at Ranjiaba Station, take Rail Transit Line 6 at 12 Station (Beibei direction), get off at Southwest University Station (Exit 3), and walk 440 meters to Southwest University (Beibei Campus).