De Villiers Graaf Motorway (B) SITE NUMBER : BB11-226 DESCRIPTION : Located on the De Villiers Graaf Motorway traffic from Johannesburg CBD towards Woodmead/Pretoria SIZE: 7.5m x 5m TRAFFIC : Impressions all adults pm: 7,581,200 GPS CO-ORDINATES : -26.085803, 28.086578