The Company SSMT has carried out on two sections of 38 and 40 km in the area of Boudjour (South Morocco) reinforcement works an widening of National Route 01, thanks to the mechanical performance of the Selenizza® based binder, it reduced the thickness by 3 cm, the initial formula being 8 cm GBB (0/14) + 6 cm EB (0/10), the new formulation being 6 cm EME 2 (0/10) +5 BBME 2 (0/10). Similar Jobs were subsequently carried out on two sections of 36 and 40 km in the TARFAYA area, from 10 cm GB2 (0/14) +6 cm BBSG 2 (0/14) to 8 cm GB3 + 6 cm BBSG 2.