Welcome to ASLEF


ASLEF is Britain's trade union for train drivers. Its 21,000+ members are employed in the train operating companies, the freight companies, London Underground and Light Rapid Transport.

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"ASLEF is the UK's train drivers’ union. A craft union that is run by train drivers for train drivers. It’s that focus and experience that has ensured that our union has gone from strength to strength, no matter what challenges we’ve faced, for over 140 years."

Mick Whelan
General Secretary
Benefits of membership