Getting stuck in a traffic jam can be one of the most frustrating parts of travelling around a busy city. Now engineers in China, the world's most populated country, have come up with a way to overcome the problem of getting around in traffic. Designs for a new elevated bus has been unveiled at a tech expo in China, which will apparently be able to carry 1,200 passengers over the top of cars and let traffic to pass underneath it. A model of a new elevated bus (pictured) has been unveiled at a tech expo in China, which will allegedly carry over 1,000 passengers over the top of cars, to allow traffic to pass underneath it. The scale model of the'Transit Elevated Bus' was demonstrated this week at the 19th China Beijing International High-Tech Expo.