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The DFF 300 UTS (Urban Transit Systems) is a highly elastic direct fixation rail fastening system designed for slab track. This system has been adapted to meet the special requirements of urban transport with a design that promotes stability, while serving to reduce noise and vibration. This is thanks to an intermediate plate made of cellentic (R), an innovative Vossloh EPDM material that provides elasticity and stability, dampens the wheel / rail impact, and resists corrosion caused by the elements. And, as will all Vossloh rail fastening systems, DFF 300 is virtually maintenance free.