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In some TRUST messages, the Line And Terminal Address (LATA) of the inputting terminal is shown, usually when the event (movement or cancellation) is manually reported, or is reported through TOPS.

LATAs are in the format AANNNNN:

  • AA is a two-character string which indicates the type of terminal and its sequence number
  • NNNNN is the TOPS Responsibility Area (TRA) that the user is within

LATA types

Type Description
C Network Rail (Route Control)
D Network Rail
F Network Rail
J Freight Operating Company
K Freight Operating Company
L Network Rail
M Browse-only
N Freight Operating Company
Q Network Rail
R Network Rail (Route Control)
W Interfaces to TOPS
X Area Freight Centre (AFC)


When TOPS was introduced, a TRA covered a geographical area. Since privatisation of the rail industry, TRAs are now operator-centric, rather than geography-centric.

STANOX Description
01000 Network Rail, Scotland Route (L)
02000 Network Rail, London North Eastern Route (G)
03000 Network Rail, Former London North Western (F)
04000 Network Rail, Former Midlands Route (E)
05000 Network Rail, Wessex Route (C)
06000 Network Rail, Sussex Route (B)
07000 Network Rail, Western Route (D)
07360 DB Cargo, Mossend Down Yard
10000 Network Rail, Anglia Route (H)
10200 Direct Rail Services
11500 West Coast Railways
15400 DB Cargo, Thornaby (Tees New Yard)
17000 Devon and Cornwall Railways
23400 Fastline, Doncaster (Roberts Road)
23430 DB Cargo, Doncaster Up Decoy
23450 DB Cargo, Anglia Locations
23460 DB Cargo, Doncaster Coal
31000 JSD Rail
35550 DB Cargo, Warrington (Arpley Sidings)
35560 DB Cargo, Warrington (Infrastructure)
42159 Freightliner, Crewe (Basford Hall)
42960 DB Cargo, Charters
51500 Victa Rail
52900 GB Railfreight
57990 East Midlands Trains, Derby
58000 LORAM
63600 Rail Operations Group
66400 Vintage Trains
66900 CrossCountry, Birmingham
67360 Advenza Freight, Gloucester
72410 Virgin Trains
72930 Serco, Derby
75960 Great Western Railway, Swindon
76470 DB Cargo, Newport (Alexandra Dock)
82100 DB Cargo, Westbury (Down Yard)
82230 DB Cargo, South East
82240 DB Cargo, Westbury
87790 Colas, Rugby
89700 Eurotunnel, Folkestone
89735 DB Cargo International, Dollands Moor