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Hiya all, In the SPL column of a TOPS list you will, from time to time, see CIFVM, CIFMC or CIWGN. I believe CI stands for cripple instruction - not sure. Does anyone know what the letters in these three codes stands for? AND what instructions they are giving? They are always associated with...

All, In a TOPS list there's a TPB column. It lists the three letter wagon code, such as HTA, FEA, JNA. What does "TPB" itself stand for? Aidan.

Hiya all, In a TOPS list in the HD column, it will often be empty. For container train it's often the letter H all the way down. In IPA/IFA car trains, it's usually H including for IFAs but IFAs that have spigots have an S in the HD column. I've noticed that the letter also forms part of the...

Hello all, I was wondering if any of you know where I might be able to get hold of the above timetable, as a printed copy? Cash paid!! Kind regards, Aidan.

Mod note - split from Liverpool-Manchester electrification thread A slightly off topic question - why do tramways use 750V DC instead of an equivalent AC Voltage? I know that DC transmission has lower transmission losses but because of the cost of rectifiers 25kV AC is instead favoured. Also...

Hello all, I was wondering about the different OHLE types funnily enough. Can anyone correct/amend/add to my current data - MK1 - early WCML, imperial measurements, cantilever, painted masts, copper wire/cantilevers, use of portals on multi track, cantilevers on twin track, uses corrosion...