ABCL | Automatic Barrier Level Crossing Locally Monitored by train crew |
AHB | Automatic Half Barrier - type of level crossing |
AOCL | Automatic Open (level) Crossing Locally monitored |
ASR | Abellio ScotRail |
ATOC | Association of Train Operating Companies |
BCR | Benefit/cost ratio. The financial benefit from every £1 of public investment |
CET | Controlled-Emission Toilet |
CP6 | The 2019-24 investment period |
CTC | Centralised Traffic Control |
DDA | Disability Discrimination Act |
DfT | Department for Transport (England & Wales) |
DRS | Direct Rail Services, a freight operating company |
EARL | Edinburgh Airport Rail Link |
ECML | East Coast Main Line |
ECS | Empty Coaching Stock |
ERTMS | European Rail Traffic Management System - works with signals in the cab rather than at the lineside |
FNL | Far North Line |
FOC | Freight operating company |
FSR | First ScotRail |
GARL | Glasgow Airport Rail Link |
GBRf | G B Railfreight Ltd, a FOC |
GPS | Global Positioning System |
GRIP | Guide to Railway Investment Projects. Network Rail investment process |
GSM-R | Global systems for mobile communication - railway |
HITRANS | Highlands and Islands Transport Partnership (our local RTP) |
HLOS | High Level Output Specification |
HML | Highland Main Line (Perth to Inverness) |
HMRI | Her Majesty's Railway Inspectorate - transferred from H&SE to ORR |
HRP | former Highland Rail Partnership |
H&SE | Health & Safety Executive |
HST | High Speed Train |
HS2 | Proposed high speed line from London to Scotland |
InvAb | Inverness-Aberdeen line |
KPI | Key Performance Indicator |
LD | Light diesel |
LX | Level crossing |
MAS | Multiple Aspect Signal |
NR | Network Rail. Responsible for track, signalling and stations |
ORR | Office of Rail Regulation |
PAX | Passengers |
PF | Passenger Focus (the replacement for RPC) |
PNB | Personal Needs Break |
PPM | Public Performance Measure. Measures train punctuality and reliability |
PSI | Points set indicator |
RA5 | Route Availability. Track strength measure |
RAB | Regulated Asset base |
RAIB | Rail Accident Investigation Board |
RDW | Rest day working |
R4G or RfG | Room for Growth (Scott Wilson Report) |
RETB | Radio Electronic Token Block (signalling method used on FNL) |
RIAC | Rail Industry Advisory Committee |
ROGS | Railways and other Guided Systems (Safety) |
ROSCO | Rolling Stock Owning Company |
RPC | Rail Passengers Council (or Committee) |
RPCS | Rail Passengers Committee for Scotland |
RSSB | Rail Safety and Standards Board |
RTP | Regional Transport Partnership |
RTS | Regional Transport Strategy |
RUG | Rail User Group |
RUS | Route Utilisation Strategy (Network Rail's planning document) |
RVAR | Rail Vehicle Accessibility Regulations |
S&C | Switches and Crossings. Track pointwork |
SDO | Selected Door Operation |
SLU | Standard Length Unit (6 metres or 21 feet) measures whether trains can fit in to loops and sidings |
SoFA | Statement of Funds Available |
SRT | Sectional Running Time |
SQUIRE | Service Quality Incentive Regime administered by Transport Scotland with powers to fine ROSCOs for poor standards |
SRA | Strategic Rail Authority |
STAG | Scottish Transport Appraisal Guidance. Measures affordability of new projects |
STPR | Strategic Transport Projects Review. December 2008 priorities |
TEE | Transport Economic Efficiency. Evaluation tool for projects |
TEN | Trans-European Network System |
Tier 3 | A project development fund |
TOC | Train Operating Company |
TPWS | Train Protection and Warning System |
TRUST | Computer system which gives a record of actual train running |
TS | Transport Scotland |
WCML | West Coast Main Line |
WHL | West Highland Line |
158 | Express Sprinter units used on Far North Line |
170 | Turbostar units used on HML |