Look at the bus stop. Number 99c, the free circling bus in the city. Sometimes I take this bus to school.

公交车站牌，99c，这辆车是市内环线，全程免费，有时候我会搭这辆车去学校。

youdao

Xuchang Terminal 3 years after completion, Xuchang city and its surrounding members of the public can ride for free tickets to Zhengzhou International Airport bus.

许昌航站楼建成后的3年内，许昌及其周边城市的市民，可凭机票免费乘坐到郑州国际机场的航空大巴。

youdao

Early this year, the city came up with an idea to reduce car use for short city trips: a free bus service circling the major business locations, government offices and tourist sites.

CNN: Georgetown