Roads and transportation

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The Roads and Transportation society is for engineers with an interest in road and rail design, transport planning and traffic engineering.

The Active Travel Series shares knowledge on the planning, design and delivery of walking and cycling schemes. The free-to-attend webinars are delivered by the National Transport Authority in collaboration with the Engineers Ireland Roads and Transportation Society. Learn more here

Roads and Transportation Videos

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Roads and Transportation News

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Roads and Transportation in the Engineers Journal

Minimising fluid friction makes ships more fuel-efficient and reduces emissions

Imagine walking from one side of a swimming pool to the other. Each step takes great effort: that's what makes water aerobics such effective physical exercise. The resistance you feel is caused by fluid friction, or 'drag', and it is the same force that acts upon boats and other objects as they move through water. However, seafaring vessels have evolved into shapes aimed at minimising drag, and ships are designed with powerful engines that overcome drag to propel them faster and more ...

Vehicle restraint systems and their function: restraining and containing traffic

Safety barriers, or crash barriers, collectively known as vehicle restraint systems (VRS), are a highly visible element of our modern road network. There are many variations of the systems utilised and the choice of system is dependent on a number of factors including: location within the road cross section (i.e. verge or median), the nature of the hazard being protected, and other site-specific constraints such as the space available. VRS types include: Flexible systems, such as ...

Old flywheel technology could create new savings for light-rail transit

In Canada, University of Alberta mechanical engineering professors Pierre Mertiny and Marc Secanell are looking to make an old technology new again and save some money for transit train operators such as the Edmonton light rail transit (LRT) while they do it. "The flywheel is an old technology, but that's partly what makes it so sensible," said Mertiny. "Fundamentally, it's a really simple technology. We already have everything we need." The two recently calculated that the use of ...

Developing sustainable public transport: the electric bus charging project

Consider a system that uses as little as 20 per cent of the energy of traditional vehicle systems – and which could have an even smaller carbon footprint with the right primary energy source. Consider the removal of health-damaging pollutants from the streets of a city, as well as noise reduction. Add a much smoother journey experience for passengers, with no smell of exhaust fumes, and you have what some leading manufacturers are offering by way of the electric bus. Are benefits like these ...

Manufacturing the connected car of the future with cloud computing

Back in the 1960s, the animated sitcom The Jetsons depicted the car of the future as a levitating capsule that flew through the air to drop main character, George Jetson, at the office before folding up into his briefcase. While flying cars are still out of reach, the adoption of cloud computing and mobile devices in automotive manufacturing is helping to create a new car of the future. Designers, engineers, supply-chain experts and production organisations all collaborate in the first ...

Engineering features of the M7 Newbridge Bypass and M9 Kilcullen Link motorway

The M7 Newbridge Bypass scheme consisted of the construction of 12 kilometres of motorway between the M7 Naas Bypass and the dual carriageway across the Curragh Plains. The scheme provided congestion relief for Newbridge town, which was experiencing traffic flows of over 30,000 vehicles per day due to its location on the Dublin to Cork and Limerick routes. The scheme was also supported by the European Social Development Fund to enhance access to Ireland within Europe. The selection of a ...
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