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Glossary
Browse the A-Z below for some rail-specific terms that are used in this website, together with their meanings.
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ECML

East Coast Main Line
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EEA State

A state within the European Economic Area, i.e. the European Union (EU) member states, Norway, Iceland or Liechtenstein.
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ELCI

Employer’s Liability Compulsory Insurance
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Emerging Conclusions Consultation

Document outlining the conclusions resulting from the Phase 1 changes (see below) to the Network Code.
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Enhancement

A change to network outputs, usually involving construction, that improves network capacity or capability (e.g. enabling higher speeds, allowing heavier loads) relative to the level of network outputs funded at the last relevant periodic review. Usually outputs are required at specific times (in contrast to most renewals).
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ERTMS

European Rail Traffic Management System.
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EWS

English, Welsh and Scottish Railway Ltd
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