Be it igloo or a yurt[Rosie]Forgive me my trespass. But then what do us Yanks know of things British such as bowlers, stumps and fish and chips, or haggises and kings? Maybe Brit Rail got privatised just because of those bloody signal failures pre-dating 1994 ;)
I'd furnish it from MFI(irach) Yep, private firms make lots of money installing dodgy signals and other private firms make equally large amounts repairing them. Sole purpose of the exercise.