N1 Highway, Rivonia (B) SITE NUMBER : BB13-90 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 : 5 930 423 GPS CO-ORDINATES : -26.039361, 28.068889