The M21 is a metropolitan route in the eThekwini Metropolitan Municipality, South Africa linking Durban with Phoenix via Newlands West and KwaMashu.

Quick Facts Metropolitan route M21, Route information ...

Metropolitan route M21
Route information
Maintained by the eThekwini Metropolitan Municipality
Length	17 km (11 mi)
Major junctions
North end	M25 in KwaMashu
Major intersections	M5 in Newlands West N2 in Springfield Park, Durban R102 in Umgeni Park, Durban
South end	M4 in Durban North, Durban
Location
Country	South Africa
Towns	KwaMashu, Newlands West, Durban
Highway system
Numbered routes of South Africa
← M20 → M22

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The M21 officially starts at the M25 interchange between Phoenix and KwaMashu as Malendela Road. It heads through KwaMashu in a southwesterly direction, passing through the KwaMashu Central Business District (CBD) and then turning to a south-southwesterly direction to intersect the M5 Dumisani Makhaye Drive (to Mt Edgecombe-via the R102 and New Germany). After the M5, the M21 proceeds to enter into Newlands West as Inanda Road, bordering the township to the east and winding down the hilly topography in a south-easterly direction until it meets the N2 highway (to KwaDukuza and Port Shepstone) at the Exit 170 interchange.

After the N2, the M21 proceeds to enter the city of Durban where it passes through Springfield Park/Umgeni Business Park in an easterly direction and changes its name to Sea Cow Lake Road after intersecting with Sea Cow Lake Road (to Sea Cow Lake).

Shortly after, the M21 intersects with the R102 Chris Hani Road (to Avoca and Durban CBD). It turns right onto Chris Hani Road, cosigning with the R102 for only 110 meters and then turning left in an easterly direction straddling along the northern banks of the uMngeni River. It borders the Durban North suburbs of Umgeni Park and Prospect Hall to the south before ending at the M4 interchange (Exit 3).^[1]