The Transit Elevated Bus (TEB) was a new proposed bus concept where a guided bus extends over road traffic, giving it alternative names such as the straddle bus, the fork bus, the airbus or the tunnel bus by means of international
A trial was scheduled to begin in Beijing's Mentougou district in late 2010. However, district authorities did not authorise the project because the technology was considered too immature, and subsequent trials were subject to the development of a concept. to test the system. It really works. The city of Manaus, Brazil, also evaluated the option of installing a fork bus in the streets of the city. At the time of the presentation of the scale model 2016, it was reported that a prototype would be deployed in mid-2016 in Qinhuangdao. Four other Chinese cities, Nanyang, Shenyang, Tianjin and Zhoukou, had also signed contracts for pilot projects that included the construction of test tracks beginning in 2016.
However a requested test of a prototype design was harshly criticized in August 2016, appeared to have been abandoned in December 2016 and was eliminated in June 2017 due to concerns about its viability. In July 2017, 32 people involved in the project were arrested by the Chinese authorities on suspicion of investment fraud. The bus prototype was removed from the test track in early July.