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06 April 2016



Lindsay Road Zipper deployed for Austria tunnel project

First publishedIntertraffic
Daily News
Day 2
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Intertraffic 2016 Daily News Day 2 Lindsay Road Zipper
Chris Sanders of Lindsay Transportation Solutions
Lindsay Transportation Solutions is using Intertraffic to highlight a current, major deployment of its Road Zipper System in Austria.

Work is underway in Vienna to rehabilitate two aging tunnels and the asphalt highway sections that connect them. Tunnels, like bridges, offer additional challenges for road works. Typically, there is very little additional space, and the work zone must be created from active traffic lanes.

The Vienna work zone runs for 3km in the southbound direction of the A23 and it includes structural repairs to the Hirschstetten Tunnel and the Stadlau Tunnel.  The Hirschstetten Tunnel at the north end of the work zone is two lanes per tunnel direction, and the Stadlau Tunnel to the south provides three lanes in each direction.

“As a major thoroughfare in and out of Vienna, the A23 would suffer massive traffic queues if all lanes were not available for the peak traffic commute,” Paul Grant of Lindsay Transportation Solutions explains.

“To create a work zone where lanes could be quickly opened and closed while still providing positive barrier separation between workers and motorists, ASFiNAG, the  Austrian publicly owned corporation which plans, finances, builds, maintains and collects tolls for the Austrian autobahns, chose our Road Zipper System.

“The barrier wall sections were brought from Holland and installed over a three-night period by Marjo Salari Transport. The Barrier Transfer Machine, or BTM, was imported by Alpina and is operated on a nightly basis by subcontractor Sitec.”

Each night, the barrier wall is moved out and the work zone is expanded to make room for larger, more efficient equipment than would be possible without the extra work zone space. Construction crews work efficiently knowing that they are protected from vehicle encroachments into the work zone by the concrete barrier.

The Austria tunnels project is the most recent European road works to use the Road Zipper System, which has been used successfully for road works in Italy, Holland and the UK.

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