N1 Highway, Sunninghill (B) SITE NUMBER : BB13-88 DESCRIPTION : Extremely high traffic numbers throughout the day because many large corporations have offices in this area. Commuters from N3 , N1 Pretoria and M1 uses this route heading towards Rivonia , William Nicol etc SIZE: 9M (H) x 6M (W) TRAFFIC : OMC TRAFFIC COUNT : 17 647 220 GPS CO-ORDINATES : -26.041361, 28.081444