How to change Shanghai bus 1 12 to 56 1?

Transfer midway. According to the inquiry data, Shanghai Bus 1 12 takes the early bus 56 1, and you can transfer on the way. Shanghai Public Transport 1 12 is a bus line in Shanghai, which is operated by Shanghai Public Transport Third Bus Company. As of May 2020, the length of Shanghai bus line 1 12 is 10.7 km and1.9 km respectively, with 15 station in the upstream and 14 station in the downstream.