![](http://www.ecns.cn/hd/2023/07/26/4e48dcd52e374d4e92a5fb2e69fe0961.jpg)
A red smart trackless "rail bus" arrives at a station on Bus Rapid Transit Line K7 in Chengdu, southwest China's Sichuan Province, July 25, 2023. (Photo: China News Service/Liu Zhongjun)
With a maximum speed of 70 kilometers per hour,the new energy bus following "rails" painted on the road conducted trail run on Tuesday. It will provide green, low-carbon transportation services for the public during the games.
![](http://www.ecns.cn/hd/2023/07/26/9ba72b7821cd4a7a82b8089e71a23af6.jpg)
A red smart trackless "rail bus" runs on Bus Rapid Transit Line K7 in Chengdu, southwest China's Sichuan Province, July 25, 2023. (Photo: China News Service/Liu Zhongjun)
![](http://www.ecns.cn/hd/2023/07/26/66b575c081a346c2b1ff78a6d67ca36d.jpg)
A red smart trackless "rail bus" runs on Bus Rapid Transit Line K7 in Chengdu, southwest China's Sichuan Province, July 25, 2023. (Photo: China News Service/Liu Zhongjun)
![](http://www.ecns.cn/hd/2023/07/26/8d05f2552e4f41feb3c211da111231a5.jpg)
A red smart trackless "rail bus" runs on Bus Rapid Transit Line K7 in Chengdu, southwest China's Sichuan Province, July 25, 2023. (Photo: China News Service/Liu Zhongjun)
![](http://www.ecns.cn/hd/2023/07/26/4ce0b7bcb50442b38d756d8a86a381df.jpg)
A passenger takes photos of a smart trackless "rail bus" in Chengdu, southwest China's Sichuan Province, July 25, 2023. (Photo: China News Service/Liu Zhongjun)