Balfour Beatty to upgrade Piccadilly Line, UK June 1, 2022 | Company News, Europe Company News, Europe News, News Balfour Beatty has secured a GBP50 million contract to upgrade London Underground’s Piccadilly Line. The contract is the first of several packages under the new ‘London Underground High Voltage (HV) P... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password