The N3 is a national route in South Africa that connects Johannesburg and Durban, respectively South Africa's largest and third-largest cities. Johannesburg is the financial and commercial heartland of South Africa, while Durban is South Africa's key port and one of the busiest ports in the Southern Hemisphere and is also a holiday destination. Durban is the port through which Johannesburg imports and exports most of its goods. As a result, the N3 is a very busy highway and has a high volume of traffic.
The R21 is a major north–south provincial route in eastern Gauteng Province, South Africa. Built in the early 1970s, it remains one of two freeways linking Pretoria with Johannesburg, via the R24. As the eastern of the two freeways, it links the Pretoria city centre with OR Tambo International Airport, the N12 freeway, and Boksburg. Between the Solomon Mahlangu Drive on-ramp in Monument Park, Pretoria, and the N12 in Boksburg, the R21 is an 8 lane highway and motorway (freeway), with 4 lanes in each direction. It has off-ramps leading to Irene, Olifantsfontein, Benoni, and Kempton Park, including a partial offramp to Atlas Road. The route intersects the N1 Highway near Centurion, the R24 near the airport, the N12 and N17 in Boksburg, and the N3 near Vosloorus on the East Rand, where it ends. The section from the N12 to the N3 is not a freeway. As early as the 1970s there were proposals to extend the R21 freeway further south and the freeway may be linked with the current eastern terminus of the M2 in Germiston in future. It is also designated as the P157.
The R23 is a provincial route in South Africa that links Benoni with Volksrust via Brakpan, Heidelberg and Standerton.
The R29 is a provincial route in South Africa that connects Johannesburg with Leandra and Kinross via Germiston, Boksburg, Benoni and Springs. For much of its route it is named Main Reef Road. The R29 used to end near the Golela border post, however the section from Evander to Ermelo is now part of the N17 and the section from Ermelo to the Golela border post just after Pongola is now part of the N2.
The R34 is a long provincial route in South Africa that connects Vryburg with Richards Bay via Kroonstad and Newcastle. It passes through three provinces, North West, the Free State and KwaZulu-Natal.
The R59 is a provincial route in South Africa that connects Hertzogville with Alberton via Bothaville, Parys and Vereeniging. The R59 is a freeway from the R57 Junction in Sasolburg until the N12 Reading Interchange in Alberton, signposted as the Sybrand van Niekerk Freeway.
The R82 is a provincial route in South Africa that connects Johannesburg with Kroonstad via Vereeniging and Sasolburg. It starts just south of the M1 Johannesburg Municipal Highway's interchange with the N12 Southern Bypass, going south, meeting the R59, R54, R42 & R28 routes at Vereeniging before crossing the Vaal River into the Free State & proceeding to Kroonstad. It is an alternative, but longer route to the N1 National Route between Johannesburg & Kroonstad.
The R103 is a Regional Route in South Africa that is the designation for some of the old sections of roads that were previously the N3, prior to upgrading. It only has 3 sections, from Hillcrest to Ladysmith, from Warden to Villiers and from Heidelberg to Johannesburg.
The N12 is a national route in South Africa which runs from George through Beaufort West, Kimberley, Klerksdorp and Johannesburg to eMalahleni.
The N17 is a national route in South Africa which runs from Johannesburg to Oshoek (Ngwenya) on the border with Eswatini. It passes through Springs, Bethal and Ermelo.
The R550 is a Regional Route in Gauteng, South Africa that connects Johannesburg South with Devon via Katlehong and Nigel.
The R553 is a Regional Route in Gauteng, South Africa that connects Johannesburg with Vanderbijlpark via Lenasia, Ennerdale, Evaton and Sebokeng. It is known as the Golden Highway for much of its length.
The M43 is a major metropolitan road in Greater Johannesburg, South Africa which begins in Vosloorus and heads northwards to Birchleigh, Kempton Park on the East Rand.
M7 is a metropolitan route in the Greater Johannesburg metropolitan area. The road connects Thokoza and the southern suburbs of Alberton with suburbs to the west of the Johannesburg CBD.
The M31 is a metropolitan route in the City of Johannesburg, South Africa. The road connects the southern suburbs of Alberton with Johannesburg's northern suburbs. The routes eastern bypass in the Johnannesburg CBD connects the M2 motorway at the Heidelberg Interchange with M1 North motorway in Houghton and then the route follows the M1 motorway northwards until the M31 ends in Bramley.
The M10 is a long metropolitan route in Greater Johannesburg, South Africa. It connects Lenasia with Johannesburg Central via Soweto.
The M45 is a long metropolitan route in Greater Johannesburg, South Africa. It connects Kempton Park with Dunnottar via Benoni, Brakpan, KwaThema and Tsakane. The entire route is in the City of Ekurhuleni Metropolitan Municipality.
The M53 is a short metropolitan route in Greater Johannesburg, South Africa. It connects Germiston with Vosloorus via Elsburg.
The M61 is a long metropolitan route in Gauteng, South Africa. It connects Vereeniging with Alberton via Meyerton. For its entire route, it is an alternative route to the R59 Highway.
The M68 is a short metropolitan route in the City of Johannesburg, South Africa. It connects the south-western part of Soweto with Mulbarton via Diepkloof, Southgate and Glenvista.
M68 Abu Baker Asvat Drive, Protea South, Soweto
N12 in Protea South, Soweto
R553 in Lenasia East
R82 / R550 near Kibler Park, Johannesburg South
R59 in Alberton
R103 in Alberton
N3 in Alberton
R21 near Dawn Park, Boksburg
R23 near Dalpark, Brakpan
R51 Springs West Road, Springs
