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A TFS-1 tramcar at Nantes; note the high floor level and doors in the outer sections, and the low floor centre section added at a later date.
A TFS-2 tramcar at Rouen; note the low level central floor, with lower windows and doors.
The Tramway Français Standard, or TFS, is a tramcar used on tramway systems in Francemarker. It was manufactured by Alstom, the France-based multinational company whose businesses are power generation and transport. The TFS is no longer in production, having been superseded by Alstom's Citadis range of tramcars.

Two different models of the TFS were produced. The first model, the TFS-1, was built for the opening of the Nantes tram system in 1985. As built, these were single-articulated 6-axle tramcars with a high floor and steep stepped access from low level boarding platforms. All the tramcars built in this form have since been rebuilt with an added low-floor centre section, thus becoming 8-axle double-articulated cars. Nantes subsequently bought further TFS-1 trams in this 8-axle configuration.

For the opening of the Grenoble tram system, the TFS-2 variant was created. This was also a 6-axle tramcar, but had a different articulation mechanism with a very short central section carried on a four-wheel truck. This allowed a low floor to be carried through most of the length of the car and between the wheels of the central truck, although the sections over the outer bogies are still at a high level and accessed by three steps from the low floor section. All the doors are within the low floor section. The advantages of this layout ensured that all subsequent users of the TFS tramcar have adopted the TFS-2 variant.

TFS-2

Technical data

The tramcars are articulated vehicles and are long and 44.2 tonne in weight. The cars cannot work as multiple units although in case of an emergency two cars may be coupled using an emergency coupling system. With one tramcar not functioning, and braking diminished, speed is limited to .

The tramcars have the following characteristics:
Length
width
height
Gross weight 44.2 tonnes
Power 550 kW
Speed
Passenger capacity 52/125


Car

The tramcar is built on a chassis wide joined by a central chassis on which is assembled a unique pantograph. The car has 3 bogeys, one on each ends and one below the central portion.

Only the central parts of the cars have a lowered floor, at high to enable access to disabled users by four doors. The parts at both ends of the tramcars are built at high accessible by a small three step staircase.

Motors

The two outer bogies are each equipped with a 275 kW electric motor. This gives the TFS a high acceleration, allowing its use on lines with steep gradients and/or frequent stops, and a top speed of .

Operation

The TFS tramcar is operated with one driver member of staff only and no ticket inspector. The driver is responsible for the closure of the doors. Driving is made easy by the use of a unique lever, responsible for acceleration and braking. The tramcars are equipped with land-train radios and ICS, infrared SAM and onboard pointwork control.

Fleet

The TFS is used on the tramway lines near Parismarker, Grenoble, Rouen and Nantes and Saint Etienne..

Network Scheme Year built Type Number of cars Car numbers
Nantes 1 1985 TFS-1 20 301-320
Nantes 2 1988 TFS-1 8 321-328
Nantes 3 1991-1992 TFS-1 6 329-334
Nantes 4 1993-1994 TFS-1 12 335-346
Grenoble 1 1987 TFS-2 20 2001-2020
Grenoble 2 1989 TFS-2 15 2021-2035
Grenoble 3 1991-1992 TFS-2 3 2036-2038
Grenoble 4 1995-1997 TFS-2 15 2039-2053
Rouen 1994 TFS-2 28 801-828
Saint Etienne 1 1991 15 901-915
Saint Etienne 2 1998 20 916-935
RATP 1 1992 TFS-2 17 101-117
RATP 2 1996-1997 TFS-2 18 118-119 & 201-216


References

  1. "Un désir nommé tramways", Jean-Paul RAHON - SIOTAS



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