Browse the A-Z below for some rail-specific terms that are used in this website, together with their meanings.
ILGGRI
International Liaison Group of Government Railway Inspectorates
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Industry Committee
Alternative name for the Access Disputes Committee.
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Infrastructure IncidentAn event involving Network Rail owned infrastructure which may delay normal train operation.
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InvestmentsInvestments cover all enhancements but also include major projects such as route upgrades or the renewal of Network Rail’s telecoms network, which are largely renewals.
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IQPC
International Quality & Productivity Centre
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IRSE
Institution of Railway Signal Engineers
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