The 2m-high Transit Elevated Bus (TEB) straddles the cars below, allowing them to pass through.The Bus is powered by electricity and can carry up to 300 passengers in the 72ft long and 25ft wide carriage. It has been trailing in the north-eastern city of Qinhaungdao and is now expect to reach speeds of 60km per hour, with four of the TEBs having potential to be joined together at a time.