 In this sector, SENER develops complete engineering projects for railroad infrastructure (International High Speed Line Figueras-Perpignan), high speed lines (sections of the high-speed lines Madrid-Valencia and Madrid-Barcelona), metros and Light Rail Systems, LRS (as lines 1, 2 and 4 of the Bilbao Metro, line 9 of the Barcelona metro or the light rail in Porto – Portugal -), roads and highways (developing technical standards for the ITS-Intelligent Transport Systems in Mexico), airports (Lublin Airport, preparation of the Master Plan of Mexico City Airport, etc.