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Crossrail trials finally underway after delay caused by electrical explosion

Trials of London’s new £1bn Crossrail train fleet finally got underway last night following months of delay caused by an electrical explosion.

Credit: TfL

The first electric train to travel under its own power in the underground tunnels carried out a short test run at low speed.

Credit: TfL

Transport for London described it as a ‘successful maiden voyage’ and a ’major milestone for Europe’s largest infrastructure project.’

The Elizabeth Line train, travelling at less than 25mph, entered the tunnel at Plumstead, south east London, and travelled a short distance under the Thames towards Docklands.

Credit: TfL

Underground test runs of the new trains were halted in November after two electrical transformers blew up at a substation in east London.

The setback, blamed on a design error, stopped engineers from switching on the overhead cables which power the trains.

The maiden journey of a brand new train through the Elizabeth Line tunnels is a milestone moment in one of the most ambitious infrastructure projects ever undertaken in the UK.

– JO JOHNSON MP, RAIL MINISTER

The £14.8bn Elizabeth Line is due to carry the first passengers on a section between Paddington and Abbey Wood, south east London, in December.