Katherine St at the Grayston Dr, Sandton SITE NUMBER : BB136-05 DESCRIPTION : Site is located at Katherine St at the Grayston drive overpass junction, carrying traffic from Woodmead & Morningside Manor, towards Sandton CBD and M1 highway. High traffic junction SIZE: 3m x 12m TRAFFIC : Impacts: 1,875,000 GPS CO-ORDINATES : -26.103470, 28.071640