Railway Glossary
Explore clear definitions, detailed explanations and technical illustrations covering railway engineering terminology across multiple disciplines.
Explore by Railway Discipline
Browse A–Z
Terms beginning with T
Recently Added
Glossary or Jargon Buster?
Engineering terminology explained
Detailed explanations of railway engineering terms and concepts such as Cant, Gauge, Cess, Headway and Turnout.
Explore Glossary →Acronyms & abbreviations decoded
Quickly understand railway acronyms and industry shorthand such as ETCS, CBTC, OCS, ATO, ATS and RAMS.
Explore Jargon Buster →Popular Railway Terms
Help Build the RailBays Railway Glossary
Railway terminology can vary between countries, standards, railway systems and engineering disciplines. Railway professionals are invited to suggest new terms, improve definitions or recommend technical corrections.