 It is capable to greater autonomy and security for people with vision acuity difficulties as shown by numerous tests of verification and testing conducted made by Italian Union of the Blind and Vision Impaired, and the associations linked to it.Inspired by a few, clear design principles (universality of signs, safety, durability), the system allows endless applications in both exterior and interior.The modular elements that make up the path, with channels specially designed in shape, spacing, height and radius of the relief, and colour contrast, allow the blind and partially-sighted to navigate a route through their and soles, with a white stick, .The LVE system is equipped with a tactile TAG-RFG (Radio frequency ground) that are picked up by an electronic baton.