DOT amatanthauza Dipatimenti Yoyang'anira Zamayendedwe ku US, ndi cholinga chowonetsetsa kuti America ili ndi njira zotetezeka, zogwira mtima komanso zamakono padziko lonse lapansi.

Mitundu yonse ya ma trailer, kuyambira ma ngolo za boti, oyenda msasa ndi ngolo za akavalo mpaka 18-wheeler rigs, ndi chirichonse chapakati, ayenera kukhala ndi kuunikira koyenera musanapite panjira. Monga National Highway Traffic Safety Administration ya National Highway Traffic Safety Administration ku United States Department of Transportation ili ndi zofunikira zowunikira magetsi a kalavani, yang'anani njira yowunikira kalavaniyo kuti muwonetsetse kuti zonse zikugwirizana ndi malamulo a federal musanayambe msewu wotseguka kutanthauza kutizonsekuyatsa ngolokutumiza ku North America kuyenera kukhala nacho.

Ndife amodzi akuluakulunyali ya ngolomafakitale ku China omwe ali ndi labu yoyesera ya DOT ndipo kuwala kulikonse kuyenera kuyesedwa ndikuvomerezedwa ndi muyezo wa DOT musanayambe phukusi ndi kutumiza.

Takulandilani kuti mulumikizane nafe ma projekiti, zitsanzo ndi ndemanga zidzaperekedwa kwaulere.