N1, Danie Joubert highway SITE NUMBER : BB127-30 DESCRIPTION : N1 highway {Danie Joubert} - travelling from Midrand, Centurion & Jhb towards Pretoria East, R21 highway and N4 highway. SIZE: 5m x 20m TRAFFIC : 180 000 /day GPS CO-ORDINATES : -25.860415, 28.213602