export const tocs = new Map<string, string>([
  [ 'gw', 'Great Western Railway' ],
  [ 'sw', 'South Western Railway' ],
  [ 'id', 'Island Line' ],
  [ 'nt', 'Northern' ],
  [ 'aw', 'Transport for Wales' ],
  [ 'cc', 'c2c' ],
  [ 'cs', 'Caledonian Sleeper' ],
  [ 'ch', 'Chiltern Railways' ],
  [ 'xc', 'CrossCountry' ],
  [ 'em', 'East Midlands Railway' ],
  [ 'es', 'Eurostar' ],
  [ 'ht', 'Hull Trains' ],
  [ 'tl', 'Thameslink' ],
  [ 'gc', 'Grand Central' ],
  [ 'gx', 'Gatwick Express' ],
  [ 'hx', 'Heathrow Express' ],
  [ 'ls', 'Locomotive Services Limited' ],
  [ 'me', 'Merseyrail' ],
  [ 'lr', 'Network Rail OTM' ],
  [ 'xr', 'TfL Elizabeth Line' ],
  [ 'se', 'Southeastern' ],
  [ 'sn', 'Southern' ],
  [ 'le', 'Greater Anglia' ],
  [ 'ga', 'Greater Anglia' ],
  [ 'lm', 'West Midlands Railway' ],
  [ 'sr', 'ScotRail' ],
  [ 'gn', 'Great Northern' ],
  [ 'lt', 'TfL London Underground' ],
  [ 'lo', 'TfL London Overground' ],
  [ 'sj', 'Sheffield SuperTram' ],
  [ 'tp', 'TransPennine Express' ],
  [ 'vt', 'Avanti West Coast' ],
  [ 'gr', 'LNER' ],
  [ 'wr', 'West Coast Railway' ],
  [ 'ty', 'Vintage Trains' ],
  [ 'ld', 'Lumo' ],
  [ 'so', 'Rail Adventure' ],
  [ 'ln', 'Grand Union Trains' ],
  [ 'zz', 'Freight/Charter Company' ],
  [ 'wm', 'West Midlands Railway (WMT)' ],
  [ 'uk', 'Unknown Operator' ]
]
)