Southwest University is located in Beibei District, Chongqing, and it takes about 1 hour to the main city (Shapingba or Yuzhong District). You can take a bus to California in Beibei District. There are signs on the bus. I forgot the specific way, about 30 minutes. After arriving in California, the buses at the bus stops there basically go to the main city, and it takes more than half an hour to reach Shapingba or Yuzhong District.

Southwest University of Political Science and Law has two campuses, one in Yubei District (undergraduate department) and the other in Shapingba District (graduate department). You can get off at Shapingba District and take 80 1 or other buses to Baigongguan. If you want to go to Yubei Campus, you can wait at the bus stop directly after you arrive in California. Bus No.2-Sunshine City or Bus No.619 or 80 1 or No.2-Jie Fangbei passes through Southwest University of Political Science and Law. As for Southwest University, it is about 50 kilometers away from the main city and 100 kilometers away from the Yubei Campus of Southwest University of Political Science and Law.