Three-dimensional transportation network (IMAGE) Green Energy and Intelligent Transportation Caption Three-dimensional transportation network Credit Zhexi Lu, Science and Technology on Vehicle Transmission Laboratory, School of Mechanical Engineering, Beijing Institute of Technology Usage Restrictions News organizations may use or redistribute this image, with proper attribution, as part of news coverage of this paper only License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.