Bombardier Guided Light Transit - Advantages

Advantages

While the GLT’s central guidance rail is not significantly less expensive than the rails needed by regular trams, the overall system can be installed at a lower cost since existing trolleybus wires can be used without the installation of tracks, and not all new sections need have either rails or electric wires installed; even if the entire passenger route is equipped with guidance rails and wires, as in Caen, the depot need not be located immediately by the track, saving planners from having to find space for a new yard in what may be a central and high-valued area of the city.

Another advantage over trams, which was particularly of interest to planners in Nancy, 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%. The Nancy route T1 includes a section with a 13% grade.

Compared to buses, the use of a guidance rail allows GLT 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.