N4 Highway Impact, Gauteng SITE NUMBER : BB133-01 DESCRIPTION : This mega impact sign is located on the N4 highway, in Bronkhorstspruit. The mega impact wrap is properly suited for car, food, and retail ads. SIZE: 10m x 40m TRAFFIC : 30 000 vehicles daily, Monthly impacts 4 800 000 GPS CO-ORDINATES : -25.804963, 28.683494