I have grown to hate the London Underground. I’ve spent 20 years rattling up and down its decrepit routes, in deafening carriages where human beings are subjected to conditions long-since outlawed for cattle, tripping over tourists and wasting hours just waiting. So I’m eternally thankful for the little rays of sunshine that are the stock in trade of LU’s estimable Platform For Art programme. While we’ve written before about its series of artists’ covers for the tube map, its latest project, is on a far grander scale. A Piccadilly Line tube train has been transformed into a 100-metre-long work of art.