Urugi rw'imodoka nuguha abashoferi nabagenzi uburyo bwo kugera kubinyabiziga, no gutandukanya inzitizi hanze yimodoka, kugirango bigabanye ingaruka kuruhande runaka, no kurinda abayirimo. Ubwiza bwimodoka nabwo bufitanye isano nimiterere yumuryango. Ubwiza bwumuryango bugaragarira cyane cyane mubikorwa byo kurwanya kugongana kwumuryango, imikorere yikimenyetso cyumuryango, korohereza gufungura no gufunga umuryango, kandi byanze bikunze, ibindi bimenyetso byerekana imikoreshereze yimirimo. Kurwanya kugongana ni ngombwa cyane, kuko iyo ikinyabiziga gifite ingaruka kuruhande, intera ya buffer iba mugufi cyane, kandi biroroshye gukomeretsa abari mumodoka.
