Its south-western end is a junction with the
R41 (Main Reef Road) in
Roodepoort, in the southern part of the
Florida suburb. It goes northwards through Florida as Westlake Road, meeting the
R24 (Albertina Sisulu Road) at the next junction and bypassing Florida Lake, to reach a junction with Clarendon Drive, where it becomes Clarendon Drive westwards. At the next junction, it becomes Christiaan De Wet Drive northwards. It runs north as Christiaan De Wet Drive, meeting the
M18 just after Florida Park (west of
Constantia Kloof) and meeting the
M86 at
Kloofendal, to form an interchange with the
M47 (Hendrik Potgieter Drive) at Allen's Nek. It continues north-north-east through the suburbs of
Weltevredenpark and Radiokop, where it meets the
M6 (John Vorster Drive), to exit
Roodepoort and enter the northern suburbs of
Randburg and
Sandton. It crosses Johannesburg's
M5 road (
Beyers Naude Drive) at Honeydew. Here, it becomes known as Northumberland Avenue and heads north-east through the suburbs of Sundowner and
Northgate to reach a junction with the
R512 (
Malibongwe Drive). Before the Malibongwe Drive junction, at the Olivedale Road junction, it passes by the
WeBuyCars Dome. It continues in an east-north-easterly direction from the R512 junction as Witkoppen Road, through the suburbs of
Northriding,
Bloubosrand,
Johannesburg North,
Jukskei Park, and
Fourways. Here, it meets the south-eastern terminus of the
R552 (Cedar Road) and crosses the
R511 (Winnie Mandela Drive). After this intersection, it heads east, through
Lone Hill,
Paulshof (where it meets the
M71 Main Road),
Sunninghill (where it meets the
M9 Rivonia Road) and
Woodmead. At the
Eskom Megawatt Park in Sunninghill, it reaches a T-junction with Maxwell Drive and becomes Maxwell Drive eastwards (by way of a right turn). It proceeds to intersect with the
R55 road (Woodmead Drive) in Woodmead before passing under the
N1 freeway (
Ben Schoeman Highway) just north of the Buccleuch Interchange and reaching its end at an intersection with the
R101 (Pretoria Main Road) in the
Buccleuch suburb. ==References==