The legal and technical implications of the use of the C.S.E.E. type UM71 jointless track circuit on B.R. electrified lines (TM-SIG-011)

This memorandum was prepared in answer to a question posed by the D.o.Tp. and explains why, at. the present time, the C.S.E.E. Type UM71 Jointless Track Circuit is not used on B.R. electrified lines.