The fastest bus route from Chengdu University of Technology (North Campus) to Erxian Bridge is as follows, without transfer. It takes about 7-8 minutes at the earliest

Bus route: No.7 → Metro Line 7, the whole journey is about 2.7 kilometers

1. Walk about 57 meters from Chengdu University of Technology (North Campus) and reach the third section of Chenghua Avenue

2. Take No.7 bus, pass one stop and reach Shilidian Station (you can also take No.147 and No.128 bus.