Herbert Smith Freehills and Eversheds have earned a combined total of more than £70m from work for Transport for London (TfL) since 2008, a freedom of information request submitted by Legal Week has revealed.

The two firms are the biggest earners from contracts awarded by the transport body over the five-year period to the end of 2012, with Herbert Smith billing £42.2m and Eversheds £31.5m.