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The challenging construction of India’s largest road tunnel is part of a vital US$500 million project aiming to connect the isolated northern state of Jammu and Kashmir with the rest of the vast and highly populated country. Guy Woodford reports Travelling on National Highway 1A (NH 1A) in northern India should be the dictionary definition of ordeal. The single lane, narrow and winding road crosses some of the steepest, most treacherous terrain on the planet. The arduous route becomes especially difficult t

Turkey’s longest, and what will be the world’s fourth longest, highway tunnel is being built under Mount Ovit in the northeast of the country. Sandvik Construction is playing a vital role in the construction of the giant new structure, which will enable all-year-round access to what is a relatively remote and often snow-blocked part of Anatolia Having had their freedom of movement blighted for many years by wintertime snow blocking the D925 highway, along with narrower roads and passes, at Mount Ovit, resi

A trio of leading global construction equipment manufacturers have released innovative hybrid excavators. Guy Woodford reports on the new models Hitachi Construction Machinery (Europe) has launched the first of a new generation of excavators, the ZH210LC-5 hybrid. The latest innovative Zaxis-5 model has been designed to deliver reliable performance with fewer emissions and less fuel than the ZX210-3 model.

The revolutionary AUD$4.8 billion Airport Link has delivered a landmark infrastructure project for Australia, tackling traffic congestion, enhancing the busway network and removing an infamous traffic bottleneck through an innovative and inspired design. The Airport Link in Brisbane, Australia included three separate projects – the Northern Busway (a 3km two-way dedicated busway), the Airport Roundabout Upgrade and the AirportlinkM7 (a 6.7km toll road including 5.2km of tunnel). Together, they represent the

Volume 1 highlights life-saving role of new methods and proven technologies around the world Since the IRF’s establishment in 1948, knowledge transfer has been the core of what the IRF does best. As industry tools and procedures evolve to meet societies’ needs, the availability of global knowledge resources is now more important than ever.

Further changes in the vehicle swept path software seem to have been triggered by last year's purchase of the UK's Savoy Computing by Autodesk and subsequent incorporation of its swept path and roundabout design tools into Autodesk's own portfolio. They are now sold as the standalone program Vehicle Tracking 2014. Transoft Solutions, the Canadian-based company has now purchased the Swedish swept path software producer Simtra which only just released a new version of its PathPlanner program. Transoft itse

Studies show the asphalt sector has options for materials use that can lower costs and emissions, as well as increasing the use of recycling One study in the UK led by the Carbon Trust and Lafarge Tarmac has found that low temperature asphalt (LTA) could be used as an alternative to conventional asphalt on roads. Conventional asphalt is made when aggregates and bitumen are bound together at temperatures of between 180ºC-190ºC. However, the trial found that the alternative is able to bond road materia