Esinye sezici ezibalulekile zezindlala zekhebula enayiloni ezingaqhume imethrikhi ukwakheka kwazo kwentambo yemethrikhi. Lokhu kuvumela ukufakwa kalula, okunembile, ukuqinisekisa ukulingana okuqinile, okuvikelekile nokuvimbela noma yikuphi ukulimala okungaba khona kwekhebula noma ukunqanyulwa ngephutha. Ngaphezu kwalokho, lezi zindlala zekhebula zifaka uphawu oluhlanganisiwe, olunikeza isivikelo esihle kakhulu othulini nasemanzini. Siyakuqonda ukubaluleka kokuguquguquka kokuphathwa kwekhebula. Ngakho-ke, izindlala zethu zekhebula enayiloni ezingaqhumi imetric zitholakala ngosayizi abahlukahlukene ukusuka ku-M12 ukuya ku-M63 ukuze kuhlangatshezwane nezidingo ezihlukene zamadayimitha ekhebula ahlukene. Lokhu kuguquguquka kuqinisekisa ukuthi ungathola umkhiqizo ophelele wohlelo lwakho lokusebenza oluthile, ngokunganaki usayizi wekhebula.