On July 30, the first 7.3-kilometer autonomous driving public test road in the central city was released in Hebei District, passing through Tianjin Station, Yifeng District, and Tianjin Eye. The first batch of test vehicles included smart minibuses and other models. On the 30th, the driving mode was mainly tested in scenarios such as passing signal lights, tunnels and culverts, and in special rainy weather.