If you could get a first-class ticket for less than a second-class ticket, would you take it? Of course you would. No wonder solution providers, engineering companies and operators alike are now switching from cost intensive proprietary systems to COTS controllers that even increase the safety level: from main train lines and interlockings to tunnels and signaling. In France, open, easy-to-commission, and ready-to-use rail safety systems see a boost.