Features

PC-based urban traffic control (UTC) continues to grow. Gavin Jackman, Head of Traffic and Software at TRL, looks forward. 1. PC-based urban traffic control is now very well established throughout the world. What have been the most significant developments or new features that have become available over the last two years? That’s a really interesting question because, from a software perspective, a few things are noticeable. Firstly, there are more players on the market – TRL’s Transyt Online, Imtech’s Imf

Michael Dreznes, Executive Vice President at the International Roads Federation (IRF), is passionate about the use of the Safe System Approach to make roads more forgiving around the world

Two decades after the death of the inductive loops was predicted, Matt Zinn, technical services manager at Eberle Design says the technology still offers advantages. More than 20 years ago the emergence of video detection systems led many to foretell the end of inductive loops. In the intervening years advocates of radar, infrared and wireless detection technologies have also claimed that loops were on their way out. But in fact, by all calculations, the use of loops has actually increased and although

Professor Berthold Horn of Massachusetts Institute of Technology believes a modified adaptive cruise control could mitigate phantom traffic jamsthat occur for no apparent reason. The phenomenon of the phantom traffic jam is all too common: they appear for no apparent reason and, having caused frustrating delays for all travelers, evaporate for an equally mystical reason. Phantom traffic jams usually occur on busy highways and often take the form of repeatedly stopping and then accelerating up to near the