• ADIF: ADministrador de Infraestructuras Ferroviarias (Spanish Infrastructure Manager)
• AI: Artificial Intelligence
• ASTS: Ansaldo STS
• ATOC: Association of Train Operating Companies
• ATP: Anti-trespass panels
• BTP: British Transport Police
• CAEX: CAPital Expenditure
• CAST: Campaign Awareness raising STrategy
• CBA: Cost-Benefit Analysis
• CBT: Computer Based Training
• CCTV: Closed Circuit Television
• CEA: Cost-Effectiveness Analysis
• CIDAUT: Foundation for Transport and Energy Research and Development (Fundación para la investigación y Desarrollo en Transporte y Energia)
• DB: German Railways (Deutsche Bahn AG)
• EMS: Emergency Medical Services
• ERA: European Union Agency for Railways
• FFCCTV: Forward Facing Closed Circuit Television
• FFE: Spanish Railway Foundation (Spanish: Fundación de los Ferrocarriles Españoles)
• FHPSD: Full-Height Platform Screen Door
• FLIR: Forward looking infrared (camera)
• GIS: Geographic Information System
• GRP: Glass Reinforced Plastic
• GSM-R: Global System for Mobile Communications – Railway
• HHPSD: Half-Height Platform Screen Door
• HMGU: Helmholtz Zentrum München, GmbH (German Research Center for Environmental Health / Deutsches Forschungszentrum für Gesundheit und Umwelt)
• IASP: International Association for Suicide Prevention
• IFSTTAR: French institute of science and technology for transport, spatial planning, development and networks (Institut français des sciences et technologies des transports, de l'aménagement et des réseaux)
• IK: Instytut Kolejnictwa of Poland
• IMs: Infrastructure Managers
• INFRABEL: Belgian infrastructure manager
• IP: Important Point
• IR: Infrared
• IRTAD: International Road Traffic and Accident Database
• KAU: Karlstad University of Sweden
• LC: Level Crossing(s)
• LED: Light-Emitting Diode
• LIDAR: Laser Identification Detection and Ranging
• LP: Lead Person
• LUL: London Underground Ltd.
• MOU: Memorandum Of Understanding
• MSC: Managing Suicidal Contacts
• MTR: MTRS3 Solutions and Services LTD
• NICE: Nice Systems Ltd
• NPV: Net Present Value
• NS: Dutch Railways
• NSPA: National Suicide Prevention Alliance
• NSPG: National Suicide Prevention Group
• NSPS: National Suicide Prevention Strategy
• NSPSG: National Suicide Prevention Steering Group
• NSPWG: National Suicide Prevention Working Group
• OCC: Operation Control Centre
• OLI: Operation Lifesaver Inc.
• OPEX: OPeration Expenditures
• OTDR: On Train Data Recorder
• PGD: Platform Gate Door
• PIER plans: Prevention, Intelligence, Enforcement & Reassurance action plans
• POT: Person On Track
• PR: ProRail B.V
• PSD: Platform Screen Door
• PTO: Public Transport Operator
• PTSD: Post Traumatic Stress Disorder
• PTSS: Post Traumatic Stress Syndrome
• PUT: Person Under Train
• QI
• RADAR: Radio Detection And Ranging
• RAILPOL: European network of RAILway POLice Forces (responsible for policing the railways in EU Member States)
• RESTRAIL: REduction of Suicides and Trespasses on RAILway property
• RFF: French Rail Network (Réseau Ferré de France)
• RSSB: Rail Safety and Standards Board
• RUs: Railway Undertakings
• SMIS: Safety Management Information System
• SNCF: French National Railway Company (Société Nationale des Chemins de fer Français)
• SOC: Security Operation Center
• TCDD: Turkish State Railway Administration
• TCRP: Transit Cooperative Research Programme
• TOCs: Train Operating Companies
• TrV: Swedish Transport Administration (Trafikverket)
• U-turn: camera able to perform at least a 180 degree rotation
• UAV: Unmanned Aerial Vehicle
• UIC: International Union of Railways (Union Internationale des Chemins de fer)
• UNOTT: University of Nottingham
• VAS: Visual Analogue Scale
• VPC: Values of Preventing a Casualty
• VT: Value of Time
• VTT: Technical Research Centre of Finland (Teknologian Tutkimuskeskus)
• WP: Work Package