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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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GCC (Gauge Corner Cracking)

Metal fatigue cracking occurring on the running (gauge) corner of a rail. GCC is a form of Rolling Contact Fatigue. (q.v.)

GNER

Great North Eastern Railway

Government’s Rail Review

On 19 January 2004, the Secretary of State for Transport announced to Parliament a government review of the railway industry, which detailed a number of necessary reforms.

GSM-R

Global system for mobile communications - railway.

GWML

Great Western Main Line