Author(s)

M. van Leur

Abstract

Functional and technical limitations of the existing ATP-system together with higher requirements of the railway performance led to the development of a new generation Automatic Train Protection for NS (dutch railways) . In 1996 a first series of 50 diesel trainsets will go in service with new generation ATP trainborne equipment and 100 km diesel line will be fitted with new generation ATP trackside equipment. Background In the eighties NS reached more and more the functional and technical limitations of the existing generation ATP. This ATP system from General Railway Signalling based on trackcircuits supervises 5 speedlevels: 140, 130, 80, 60, 40 km/h. Although a high degree of safety of the dutch railway traffic has been achieved by means of this system, the increasing train traffic and changing rolling stock character

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