Autobrake Low - you have got the wrong end of the stick. Reread the thread, no-one is advocating removing R/T instructions. The fact that the greens provide a visual back-up to taxiway instructions is a boon. A system which uses both to compliment each other is self-evidently safer than either one or the other alone. The suggestion by a Big Airline is that LHR/LGW revert to R/T-only procedures, to eliminate the occasional mistake which costs vital seconds of taxi time
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I suggest LGW based pilots raise this at the LGW/ATC open pilot forum on the 26/4. Details from your company.