Race The Tube - Can You Walk Faster Than The Northern Line? 

Another in the 'Race The Tube' series, this from a realisation recently that when making the connection between London Bridge and Liverpool Street, we wondered if it was quicker to walk. Only one way to find out ... !
Vicki hits the streets on her feet, Geoff takes the Tube to see which is quicker.
(This video is a repost, it's been updated!)