M1 North – Grayston Offramp 2 SITE NUMBER : BB35-08 DESCRIPTION : Located on M1 North highway on drivers left at Grayston Drive Off-ramp. This iconic site has outstanding visibility to traffic travelling in both directions of the M1 highway. SIZE: 5m x 50m (250m²) TRAFFIC : 300 000 daily GPS CO-ORDINATES : -26.110705, 28.075560