https://community.betfair.com/chit_chat/go/thread/view/94038/30441697/french-metroA video surveillance system allows the drivers to detect the slightest problem in the carriages and take action where required.eeeerrrrrmmmm ?https://community.betfair.com/chit_chat/go/thread/view/94038/30441697/french-metro?post_id=543597947#543597947A video surveillance system allows the drivers to detect the slightest problem in the carriages and take action where required.eeeerrrrrmmmm ?Wed, 18 Feb 2015 02:20:17 -0600