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Traffic control system from Siemens goes to Switzerland - DownloadForge
 
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Traffic control system from Siemens goes to Switzerland

Business News | 14-May-2007
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The Siemens Industrial Solutions and Services Group (I&S) has received an order to supply a traffic control systems for the canton of St. Gallen in Switzerland. The scope of supply encompasses a system with a central computer and eight distributed computers for traffic data acquisition and overall traffic control as well as for local control of traffic in five tunnels and 96 all-lane display panels on the public freeway. The order is worth 5.7 million euros and the project is scheduled for completion in March 2009.

Traffic in the St. Gallen area has been increasing annually by an average of four per cent in the last few years. The steep rise in traffic in the west of St. Gallen due to the construction of large shopping centers and a new soccer stadium has created the necessity for powerful new traffic management systems. Expansion and modernization of the existing traffic control systems have become a matter of urgency.

The administration authority responsible for the canton of St. Gallen has given Siemens the job of supplying, installing and commissioning the traffic management system on the A1 freeway. A traffic data acquisition and traffic guidance system is the backbone of the traffic management solution. It consists of group and section computers with all-lane panel controllers, connected by a powerful modern network infrastructure. More than around 600 variable message signs of the most varied of types such as prism signals, LED signal units, fiber-optic signals for lane signaling, speed indicators and alarm signals will guide the road user safely along the road and given warning of any hazards that lie ahead. The traffic data will be recorded by distributed equipment after which it will be processed and compressed centrally. The control requirements derived from this procedure will then be passed on to the traffic computer. An innovation on the freeway section of the A1 is that the hard shoulder in some areas can be used as a third lane.

Standardized automation components from Siemens will be used for signal control and equipment monitoring. The technical control functions will be implemented on the basis of the WinCC process visualization system. In order to ensure maximum availability, the communications topology will be in the form of a redundant ring structure. The system as a whole meets the requirements of DIN 19222 regarding process control.

The new system will replace the old one which was also supplied by Siemens in 1987. The changeover will be carried out in stages without any traffic interruptions. The demands placed on the people responsible for project management will therefore be very high.
 


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