Station Abbreviations used by QR

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Abr. Name
ABT Abbot Point
ACH Archer
AMB Ambrose
AMO Aminungo
AOB Aloomba
AOG Aldoga
AVO Avondale
AYR Ayr
BAF Baffle
BBR Bambaroo
BBY Benaraby
BDB Bundaberg
BEB Beerburrum
BJN Bowen
BJO Berajondo
BJQ Bajool
BOO Boogan
BQB Bobawaba
BRR Bororen
BSY Bloomsbury
BTT Barratta
BUQ Bubialo
BWH Beerwah
BYN Bilyana
BZB Babinda
CAB Caboolture
CAH Callemondah
CAR Cardwell
CLQ Calen
CNS Cairns
CNZ Conn
COO Cooroy
COZ Cooran
CQN Colton
CRQ Curra
CRS Carstairs Sugar Mill
CRZ Cromarty
DEE Deeral
DUR Durrobarra
EKL Erakala
ELA El Arish
ELL Elliott
EPA Epala
EUD Eudlo
FGH Farleigh
FLS Flinders
GDI Gundiah
GIR Giru
GLT Gladstone
GMR Glanmire
GMU Gumlu
GOR Gordonvale
GSS Glass House Mountains
GUT Guhalungra
GWD Goodwood
GYN Gympie North
HBK Hinchinbrook
HMH Home Hill
HOW Howard
HVD Harvey's Siding
IFL Innisfail
IGH Ingham
IKD Irkanda
IKP Inkerman
INV Invita (Giru) Sugar Mill
ISJ Isis Junction
IVH Iveragh
KAS Kalamia Mill
KEN Kennedy
KLI Kaili
KMK Kinkuna
KMQ Kamma
KUK Kurukan
KUT Kuttabul
LOK Longford Creek
LSH Landsborough
LTT Littabella
MBH Maryborough
MBJ Maryborough West
MEE Meadowvale
MEQ Merinda
MGQ Midgee
MIR Miriam Vale
MKH Mackay Harbour
MKY Mackay
MLM Mt. Larcom
MMI Mt. Miller
MMQ Marmor
MOH Mooloolah
MOZ Mundoo
MSA Mt. Ossa
MTE Mutarnee
MUN Mungar
MZK Mookarra
NBR Nambour
NBU North Bundaberg
NET Netherby
NEY Netley
NHR North Arm
NMQ Nome
OWN Owanyilla
PAL Palmwoods
PAR Parana
PAT Paterson
PIG Pring
PIM Pioneer Sugar Mill
PIO Pioneer
PMQ Pomona
PNQ Purono
POB Pombel
PPP Proserpine
PRN Parana QR
PSM Portsmith
RCS Rocklands
RGL Raglan
RLS Rollingstone
ROK Rockhampton
SKD Silkwood
SSE Sunrise
STQ Storth
STU Stuart
TAE Tamaree
THE Theebine
TIA Tiaro
TLY Tully
TOR Torbanlea
TQP Thoopara
TRA Traveston
TSJ Townsville Jetty
TSV Townsville
WHA Wathana
WMT Wilmington
WOB Woombye
WOO Woondum
WOZ Wokka
WQX Woree QRX SDG
WUH Waugh
YAN Yandina
YAR Yarwun
YBO Yalboroo
YRE Yengarie

Sources

Mostly from the Master Train Plans released from QR. You can see them here.