You are here:
- Home
- Glossary
Glossary
Browse the A-Z below for some rail-specific terms that are used in this website, together with their meanings.
Choose a letter below:
-
I
-
ILGGRI
International Liaison Group of Government Railway Inspectorates
-
Industry committee
Alternative name for the access dispute resolution committee, the committee appointed under the access dispute resolution rules (ADRR).
-
Infrastructure incident
An event involving Network Rail owned infrastructure which may delay normal train operation. -
Investments
Investments 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. -
IQPC
International Quality & Productivity Centre
-
IRSE
Institution of Railway Signal Engineers
