Spatial availability of some trains and subway stations, Providing and preparing some of the subway and train stations through the application of the engineering code for accessibility of persons with disabilities by implementing the work of ramps equipped for people with motor disabilities, wall supports at external entrances, corridors and stairs, implementing accessibility to toilets, walkers for people with visual disabilities, and modifying the height of ticket windows to suit persons with disabilities and other various elements of accessibility, so that persons with disabilities can be independent in movement in a safe and appropriate manner.