Features

A fledgling advanced lane management assist system can take the guesswork out of selecting the right lane on a congested freeway, as its inventor Robert Gordon explains. As drivers we’ve all done it and control room staff see it all the time – motorists on congested freeways switching into what they perceive is a faster lane, only to come to a halt a few moments later and watch vehicles in the other lanes continue to move past. Now, by re-analysing readily available data in an advanced lane management as

The ‘value of time’ concept can be a vital decider in prioritising transport projects, as Lorenzo Casullo and Serbjeet Kohli of Steer Davies Gleave explain. How much do travellers value their time and how much would they be willing to pay for a better and faster transport option? For many years Steer Davies Gleave (SDG) has been collecting this type of information from thousands of people across the world as it researches travellers’ behaviour. And given the importance of this parameter for transport mo

David Crawford reports on energy cost cutting on US highways. Just over a year after switch-on and with two global awards under its belt, the longest solar-powered toll road in the US is generating heightened interest in highway applications of alternative energy. The E-407, which loops around the eastern perimeter of the Denver metropolitan area in Colorado, won the International Bridge, Tunnel and Turnpike Association (IBTTA) President’s Overall Award for Excellence at its September 2013 Annual Meeting in

Test story about nothing

Australian study quantifies the benefits of SCATS to the motorists, the environment and the economy. Opportunity weekday cost savings potential of some AUD16 million (US$15.2 million) has emerged from rigorous analysis of a one-day study of Australia’s Sydney Coordinated Adaptive Traffic System (SCATS) in operation. This represents 27% of the total cost of a real alternative semi-adaptive traffic control. The estimated indicative annual weekday-based value is AUD3,900 million (US$3,705 million) or 0.9% of t