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Translohr in Padua
Diagram of the central guide rail (green) and the vehicle's guide wheels (red), which grasp the rail perpendicular to each other, thereby all but eliminating derailments.Translohr is a rubber-tyred tram system manufactured by Lohr Industrie of France. It is under construction in Clermont-Ferrand, Padua, L'Aquila, and the mainland Mestre district of Venice in Italy. It is similar to, but incompatible with, the Guided Light Transit system developed by Bombardier Transportation. Unlike Bombardier's GLT vehicles, the Translohr vehicles are bidirectional.
The Translohr is intended to provide a much more tram-like experience than that provided by other guided bus systems. It is intended to be run only where there is a guiderail in place. Like a tram, power is provided by overhead wires and drawn via a pantograph, although it can be run on internal batteries (arranged in packs) on sections of the route where overhead wires are deemed to be undesirable.
Advantages
Much like trams, Translohr vehicles can dock with low station platforms for level boarding. An advantage over trams is that rubber tyres give significantly more traction than steel wheels, and so can be used to climb steeper hills, up to a grade or slope of 13%, at a cost of greater rolling resistance. Compared to buses, the use of a guidance rail allows Translohr vehicles running in parallel lanes to pass closer together than drivers could safely steer. They can also draw up to level, tram-like platforms that allow for easier boarding, and give access to passengers dependent on wheelchairs without requiring the time-consuming deployment of ramps or ‘kneeling’ systems.
Disadvantages
Where snowfall is an issue, this system may not be practical.
Critics of the system can also point out that unlike a conventional tramway, Translohr is a proprietary system, meaning that once having installed it, a city would face difficulties in purchasing vehicles from any manfacturer other than Lohr Industrie. A standard tramway, on the other hand, can easily accommodate vehicles from multiple suppliers; Strasbourg, for example, recently chose the Citadis tram from Alstom to supplement its existing Bombardier Eurotram fleet. The Translohr guidance rail is likely to be more expensive than a regular rail because of the non-standard shape.
Legal status
Because the Translohr "tram" cannot move without guidance it will probably not be classified as a bus. Hence the vehicles that are taken for test rides on the Clermont-Ferrand network are not equipped with licence plates.
External links
Translohr official site
This entry is from Wikipedia, the leading user-contributed encyclopedia. It may not have been reviewed by professional editors (see full disclaimer)
Padua的TRANSLOHR电车
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发表于 2006-11-11 16:47:34
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