– Anthu opitilira theka la dzikolo, mayiko 30, alengeza kuti ayimitsanso kukhazikitsa njira yotsutsana yotetezera magalimoto pamsewu m'dziko lonselo, pambuyo poti otsutsa ati ndi njira yobisa kusintha koopsa kwa kapangidwe ka njanji zomwe zachitika zaka pafupifupi khumi ndi ziwiri zapitazo.
Oweruza milandu ku Texas adapeza koyambirira kwa mwezi uno kuti kampani yopanga zipatala za Trinity Industries inanyenga boma posintha zinthu mu 2005 popanda kudziwitsa akuluakulu aboma kapena akuluakulu aboma zamayendedwe, ndipo mayiko ambiri adalengeza kuti aletsa zipatala zatsopano za ET-Plus. Trinity idalamulidwa kuti ilipire ndalama zokwana $175 miliyoni - ndalama zomwe zikuyembekezeka kuwirikiza katatu pansi pa ulamuliro walamulo.
Mayiko makumi atatu anena kuti sadzayikanso makina a ET-Plus, ndipo ena mwa omwe awonjezeredwa posachedwapa ndi Kentucky, Tennessee, Kansas, Georgia ndi boma la Texas lomwe Trinity imachokera. Boma la Virginia linati sabata yatha likugwira ntchito yochotsa zotchingira pamsewu waukulu, koma lingaganizire kuzisiya ngati Trinity ingatsimikizire kuti mitundu yosinthidwayo ndi yotetezeka.
Dongosolo la ET-Plus linali mutu wa kafukufuku wa ABC News wa "20/20" mu Seputembala, womwe unayang'ana zomwe anthu omwe adakumana ndi ngozi ananena kuti kusintha kwa zingwe zotetezera magalimoto sikungagwire ntchito bwino galimoto ikagundidwa ndi kutsogolo. M'malo mopatukana ndikuyamwa kugunda komwe kudapangidwa, zingwe zotetezera magalimoto "zimatseka" ndikudutsa mgalimoto molunjika, nthawi zina zimadula miyendo ya dalaivala.
Malinga ndi imelo yamkati yomwe ABC News inapeza, mkulu wa kampaniyo anaganiza kuti kusintha kwina - kuchepetsa chidutswa cha chitsulo kumapeto kwa guardrail kuchoka pa mainchesi 5 kufika pa mainchesi 4 - kungapulumutse kampaniyo $2 pa guardrail iliyonse, kapena $50,000 pachaka.
Bungwe la Federal Highway Administration lapereka Trinity mpaka pa Okutobala 31 kuti ipereke mapulani oyesa zotchingira kapena kukumana ndi mapulani oimitsa kugulitsa kwake mdziko lonse. Ena mwa mayiko 28 adati ziletso za ET-Plus zilipo mpaka zotsatira za mayeso a ngozizo zitapezeka.
Trinity nthawi zonse wakhala akunena kuti zotchingirazo ndi zotetezeka, ponena kuti FHWA idavomereza kugwiritsa ntchito zotchingirazo zosinthidwa mu 2012 pambuyo pofunsa mafunso okhudza kusinthaku. Kampaniyo ikukonzekera kukadandaula chigamulo cha ku Texas, popeza idauza kale ABC News kuti ili ndi "chidaliro chachikulu" mu magwiridwe antchito ndi umphumphu wa dongosolo la ET-Plus.