Crossrail boost from sporting stars Jessica Ennis and Ellie Simmonds
They proved to be world beaters in their sporting fields last year and now Jessica Ennis-Hill and Ellie Simmonds have been called on to attempt another huge task in east London.
Two tunnel boring machines have been named after the stars of the Olympic and Paralympic worlds and will start digging the Crossrail tunnel from Pudding Mill Lane.
Jessica, gold medal winner in the heptathlon at London 2012, is the seventh tunneling machine used on the project. She took off at the weekend and will make a 1.7 mile long hole to Stepney Green.
Swimmer Ellie, two times gold medal winner last year, will soon join her at the station next to the Olympic Park, building a second tunnel on the route.
The names were suggested by students from Marion Richardson Primary School in Stepney.
The tunneling machines have traditionally been named after key women in British history.
Ada (Lovelace) and Phyllis (Pearsall) were computer scientists who created the London A-Z.
Elizabeth and Victoria were named after Queen Victoria and Queen Elizabeth II, while Mary and Sophia were the wives of railway engineers Isambard Kingdom Brunel and Marc Isambard Brunel.
The tunnel section of Crossrail is currently approaching the half way mark.
Crossrail Programme Director Andy Mitchell said: "We're delighted that our final two tunnelling machines, which start their race at Stratford, have been named after two Olympic heroines and will deliver their own tunnelling marathon under London.
"The Olympics legacy has transformed Stratford and east London, and Crossrail too will transform the way Londoners travel, and support regeneration across the capital."