 The next major interchange is with the M7 west and M18 at the Groenkloof Nature Reserve near Fountains Valley.Shortly thereafter it joins the R101 northwards and ends in the southern suburb of Salvokop, Pretoria, marking its eastern terminus.The N14 is the only National Route in Gauteng that was not upgraded in 2010 and is the only National Route within Gauteng without a tolling system on its roads.