In the 1980s a burial ground associated with 1348 Black Death was located in east Smithfield.More than 600 skeletons were carefully removed from the site and analysed by the Museum of London Archaeology.
The Crossrail route will pass through 37 stations and run 118 km (73 miles) from Maidenhead and Heathrow in the west, through new twin-bore 21 km (13 miles) tunnels to Shenfield and Abbey Wood in the east.
London Charterhouse was a Carthusian Monastery founded in 1371 outside the walled city of London.
Written records suggest the site was chosen due to its proximity close to one of three emergency burial grounds set out in 1348.
It is thought that the burial ground at Charterhouse continued in use as the monastery developed through to the mid-16 The Farringdon site is the latest find made as part of the UK’s largest archaeology programme taking place across more than 40 Crossrail worksites.
Among the other artefacts that have been found are, the UK’s largest piece of amber ever discovered, bones from huge prehistoric animals that roamed the iced-covered London plains and items used by humans during the Bronze Age, Roman and Medieval times.
Crossrail Lead Archaeologist Jay Carver said: “This is a highly significant discovery and at the moment we are left with many questions that we hope to answer.