Based on the PIS displays of London Underground Piccadilly line 1973 Stock and Northern line 1995 Stock trains.  Also used on the Essentially a dot matrix version of the iconic Rail Alphabet typeface this war first used on the mock up Class 341 Crossrail carriage followed by Networker classes 365, 465 & 466 and Enterprise. (RGB:F8A173 - Soft Orange)

Symbols: (U+00A6 = National Rail) (U+00A7 = Plane) (U+00AC = London Underground) (util.unicode.org)