Straight Direction Code
It consists of a series of parallel grooves in the direction of movement, whose trapezoid shape and reliefs have been specially studied for best possible recognition, also using the white stick; it is created by using 2 tiles (art 30x30 Straight) which form a route with a width of 60 cm.
The lenght of the route varies according to needs.
It consists of a series of spehrical segments arranged in a diagonal grid, sensed under the feet so as to make walking on them for any lenght of time uncomfortable.
The signal consists of 2 tiles(art 20x20. 12 round and art. 20x20 13 round)laid alternatively (see figure) to form a depth of 40 cm and a minimum width of 60 cm.