Amatungo atobora injangwe inyamanswa zinyuranye zikinishwa kumirongo yijimye, indobo zitandukanye, kurema umukino mushya, ukoresheje impuzu yumutekano yumutekano woroshye wunvikana, guhuriza hamwe muburyo bworoshye bwinjangwe, kwihanganira ubwikorezi uko bishakiye, ubuziranenge bwunvikana no guhagarika ubushyuhe bwinshi, kwerekana ni mugari ntabwo byoroshye guhindura, gufungura, tunnel yabaye itapi yagutse, imyidagaduro nuburuhukiro