Highway & Network Management

An alliance of companies has come together to realise major infrastructure projects in Latvia including its biggest bridge. Patrick Smith reports. Riga, the Latvian capital, has the finest collection of Art Nouveau buildings in Europe and its centre is on the UNESCO World Heritage List.

"One of the most important challenges for the Highways Agency (HA) is the management of Britain's motorways to improve traffic flows, reduce congestion, cut travel times and maintain better local air quality. But as traffic volumes increase, the HA is constantly looking for more economical, effective and sustainable methods of managing the country's motorways. "The Managed Motorway concept uses detectors to measure congestion, control software to display mandatory speed signs and an enforcement system to

Duplex A86 tunnel. The low risk found for driving through the tunnel is primarily due to the low volume of traffic of around 11,000 vehicles/day and the ban on HGVs and the transport of hazardous goods.

Variable Message Sign systems are helping ease traffic congestion and keeping drivers better informed on key highways across Europe and the rest of the world. Guy Woodford looks at some of their recent applications By coupling its Intelligent Travel Time System (ITTS) with Bluetooth technology, Alcatel-Lucent is measuring traffic flow in real time and conveying it seamlessly to local authorities in the French city of Vélizy-Villacoublay. The city, a major business enterprise hub 14km south-west of central

High road toll increases bring threat of new regulation in US - *Bob Poole reports. Large toll rate increases have been implemented recently by the Port Authority of New York and New Jersey, justified in part to help pay for its World Trade Center project. In response, a bill was introduced in Congress that would allow the Secretary of Transportation to regulate tolls on every bridge on the country's Interstates and other federally aided highways.

Weigh-in-motion technology manufacturers have been involved in a number of significant highways tolling projects across the world in recent months, while others are looking to become involved in major new initiatives. Guy Woodford reports. The continuing global economic crisis did not prevent UK-based TDC Traffic Systems from recently securing the prized US$2.84million (€2.14million) contract to supply 20 high speed weigh-in-motion (WIM) systems for overweight pre-selection and enforcement in Saudi Arabia

A variety of new technology for temporary speed zones during major highway projects across the globe is about to hit the market, while other proven systems remain in demand. Guy Woodford reports. The D-Cam P is one of four new mobile speed reading products for temporary speed zones being launched this month by Truvelo. Deployable solely as a speed camera or at a red light intersection to monitor red light offences, the D-Cam P can also act as a speed camera on the green and amber light phases. The machine d