Main roads South Africa
Last updated 8-4-02
Route descriptions generally start in the north or west.
| Number | Route | Remarks |
| N1 | Zimbabwe (Beitbridge border crossing, A4/A6) - Pietersburg - Potgietersrus - Pretoria - Johannesburg - Winburg - Bloemfontein - Colesberg - Hanover - Three Sisters - Beaufort West - Worcester - Cape Town (N2,N7) | |
| N2 | Cape Town (N1,N7) - Swellendam - Mossel Bay - George - Port Elizabeth - Ncanara - Grahamstown - King William's Town - East London - Umtata - Durban - Piet Retief - Ermelo (N11,N17) | |
| N3 | Johannesburg (N3/N12,N17) - Harrismith - Ladysmith - Pietermaritzburg - Durban (N2) | |
| N4 | Botswana (Skilpadshek border crossing) - Pretoria - Witbank - Middelburg - Moçambique (Lebombo border crossing, 4) | |
| N5 | Winburg (N1) - Bethlehem - Harrismith (N3) | |
| N6 | Bloemfontein (N1) - Queenstown - East London (N2) | Formerly R30, R348 |
| N7 | Namibia (Vioolsdrif border crossing, B7) - Springbok - Cape Town | |
| N8 | Bloemfontein (N1) - Ladybrand - Lesotho (Maseru bridge border crossing, A1) | Formerly to Kimberley (N12) |
| N9 | Colesberg (N1) - Middelburg - Graaf-Reinet - George (N12/N2) | |
| N10 | Namibia (Nakop border crossing, B3) - Upington - Britstown - De Aar - Hanover - Middelburg - Cradock - Ncanara (N2 near Port Elizabeth) | Formerly R32 |
| N11 | Botswana (Grobler's Bridge border crossing) - Potgietersrus - Middelburg - Ermelo - Ladysmith (N3) | Formerly R35-R65-R36-R35-R23 |
| N12 | George (N9) - Beaufort West - Three Sisters - Britstown - Kimberley - Warrenton - Klerksdorp - Potchefstroom - Johannesburg - Witbank | Former R29/R22 |
| N13 | Formerly Johannesburg southern bypass | changed to N12 |
| N14 | Springbok (N7) - Upington - Vryburg - Krugersdorp - Centurion - Pretoria (N4) | Centurion formerly Verwoerdbrug |
| N15 | Worcester (N1) - Robertson - Swellendam (N2) | New 1999, former N60 |
| N17 | Johannesburg (N3,N12) - Leandra - Bethal - Ermelo - Swaziland (Oshoek border crossing, M3) | |
| N18 | Botswana (Ramatlabama border crossing, A1) - Mafikeng - Vryburg - Warrenton (N12) | New 1999, former N49/R503 |
| Number | Route | Remarks |
| R21 | Pretoria - Tembisa - Johannesburg International Airport - Boksburg - Vosloorus (N3) | |
| R22 | Obsolete | Changed to N12 |
| R23 | Tembisa - Benoni - Heidelberg - Balfour - Standerton - Volksrust | |
| R24 | Rustenburg (R30) - Krugersdorp - Johannesburg - Johannesburg International Airport | |
| R25 | Groblersdal - Bronkhorstspruit - Bapsfontein - Johannesburg | |
| R26 | Villiers (N3) - Reitz - Bethlehem - Ficksburg - Ladybrand - Rouxville (N6) | |
| R27 | Keimoes (N14) - Downes - Vanrhynsdorp - Lutzville|Velddrif - Cape Town | |
| R28 | Krugersdorp (N14) - Westonaria - Sebokeng - Vereeniging | |
| R29 | Johannesburg - Boksburg - Springs - Devon - Leandra | George - Johannesburg changed to N12 |
| R30 | Rustenburg (N4) - Ventersdorp - Klerksdorp - Orkney - Bothaville - Odendaalsrus - Welkom - Bloemfontein (N1) | |
| R31 | Namibia (Rietfontein border crossing, C16) - Kuruman - Kimberley | |
| R32 | Obsolete | Changed to N10 |
| R33 | Bulge River (R510) - Nylstroom - Groblersdal - Belfast - Carolina - Warburton - Amsterdam - Piet Retief - Vryheid - Dundee - Greytown - Pietermaritzburg | |
| R34 | Vryburg - Bloemhof - Hoopstad - Odendaalsrus - Kroonstad - Heilbron - Frankfurt - Vrede - Newcastle - Bloedrivier - Vryheid - Melmoth - Empangeni - Richards Bay | |
| R35 | Middelburg - Bethal - Morgenzon - Amersfoort | |
| R36 | Bandelierkop (N1) - Mooketsi - Tzaneen - Lydenburg - Machadodorp - Carolina - Ermelo | |
| R37 | Pietersburg - Lydenburg - Nelspruit | |
| R38 | Standerton (R39) - Bethal - Hendrina - Carolina - Barberton - Kaapmuiden | |
| R39 | Standerton - Morgenzon - Ermelo | |
| R40 | Phalaborwa - Hazyview - Nelspruit - Barberton - Swaziland (Josefsdal border crossing, M20) | |
| R41 | Vreysrus (N14) - Randfontein - Johannesburg | |
| R42 | Bronkhorstspruit - Delmas - Nigel - Heidelberg - Vereeniging - N1 | |
| R43 | Ceres (R46) - Worcester - Villiersdorp - Botrivier - Die Dam | |
| R44 | Piketberg - Gouda - Wellington - Stellenbosch - Gordon's Bay - Kleinmond - Botrivier (R43) | |
| R45 | Saldanha - Vredenburg - Malmesbury - Paarl - Villiersdorp (R43) | |
| R46 | Malmesbury - Gouda - Ceres - Touws Rivier (N1) | |
| R47 | Obsolete (formerly Warrenton - Vryburg - Johannesburg) | Changed to N18-N14-R52-R503-M47 |
| R48 | De Aar - Bloemfontein | |
| R49 | Botswana (Kopfonteinhek border crossing, from Gaborone) - Zeerust - Mafikeng (N18) | |
| R50 | Pretoria - Bapsfontein - Delmas - Leandra - Standerton | |
| R51 | Bapsfontein - Springs - Nigel - Balfour - N3 | |
| R52 | Biesiesvlei - Lichtenburg - Rustenburg (N4) | |
| R53 | Swartruggens - Grootpan - Ventersdorp - Potchefstroom - Parys | |
| R54 | Potchefstroom - Vereeniging - Villiers (N3) | |
| R55 | Pretoria - Johannesburg | |
| R56 | Middelburg - Dordrecht - Elliot - Maclear - Kokstad - Pietermaritzburg | |
| R57 | Vanderbijlpark - Sasolburg - Heilbron - Reitz - Kestell - Phuthaditjaba | |
| R58 | Colesberg - Aliwal North - Elliot | |
| R59 | Johannesburg - Vereeniging - Parys - Viljoenskroon - Bothaville - Hoopstad - Dealesville (R64) | |
| R60 | Obsolete | Changed to N15 |
| R61 | Beaufort West - Aberdeen - Graaff-Reinet - Craddock - Queenstown - Umtata - Bizane - Marburg (N2) | |
| R62 | Ashton (N15) - Oudtshoorn - Avontuur - Humansdorp (N2) | |
| R63 | Downes (R27) - Carnarvon - Victoria West - Graaff-Reinet - Somerset East - Fort Beaufort - Dimbaza - King William's Town - Komga (N2) | |
| R64 | Groblershoop (N10) - Kimberley - Dealesville - Bloemfontein | N8? |
| R65 | Ermelo - Amsterdam - Swaziland (Nerston border crossing,) | |
| R66 | Pongola (N2) - Magudu - Melmoth - Gingindlovu (N2) | |
| R67 | Queenstown - Fort Beaufort - Grahamstown - Port Alfred | |
| R68 | Fort Mistake (N11) - Dundee - Melmoth | |
| R69 | Vryheid - Magudu - N2 | |
| R70 | Odendaalsrus - Ventersburg - Senekal - Ficksburg (R26) | |
| R71 | Pietersburg - Tzaneen - Namakgale - Phalaborwa | |
| R72 | Ncanara - Port Alfred - East London | |
| R73 | Welkom (R30) - Virginia - Winburg (N1) | |
| R74 | Harrismith - Greytown - Stanger | |
| R75 | Graaff-Reinet (R63) - Uitenhage - Port Elizabeth | |
| R76 | Orkney (R30) - Viljoenskroon - Kroonstad - Bethlehem | |
| R77 | Obsolete | Changed to N17 |
| R78 | Formerly Camperdown - Kingsburgh | Changed to R603 |
| R79 | ||
| R80 | Mabopane - Pretoria | |
| R81 | Pietersburg - Mooketsi - Giyani - KaDinga | |
| R82 | Johannesburg - Vereeniging - Kroonstad | |
| R83 |