 Ugereranije nababa kure yimetero 300, ibitigiri vyabashobora kwandura iyo ngwara ni : 7 kubaba ku metero 50 4 kubaba ku metero 50-100 2 kubaba ku metero 101-200 Ubushakashatsi bwerekana ko hagati yibice 7 - 11 vyabafise ingwara yikehabwenge begereye ibarabara ku metero zidashika 50 ishobor kuba yatewe numusunikano wimodoka. 