I-DOT isho uMnyango Wezokuthutha wase-US, ngenhloso yokuqinisekisa ukuthi iMelika inohlelo lwezokuthutha oluphephile, olusebenza kahle kakhulu nolwesimanje emhlabeni.

Zonke izinhlobo zama-trailer, kusukela kuma-trailer ezikebhe, ama-campers nama-trailer amahhashi kuya ku-18-wheeler rig, nakho konke okuphakathi, kufanele kube nokukhanya okufanele ngaphambi kokuphuma emgwaqeni. Njengoba iNational Highway Traffic Safety Administration yoMnyango Wezokuthutha wase-United States inezimfuneko eziqinile zamalambu e-trailer, hlola uhlelo lokukhanyisa lwe-trailer ukuze uqinisekise ukuthi yonke into ithobela imithetho yenhlangano ngaphambi kokuphumela emgwaqeni ovulekile okusho ukuthikonkeukukhanya kwe-trailerukuthekelisa eNyakatho Melika kumele ube nakho.

Singomunye omkhuluisibani se-traileramafekthri e-China anelebhu yokuhlola i-DOT futhi ukukhanya ngakunye kufanele kuhlolwe futhi kuvunywe ngezinga le-DOT ngaphambi kwephakheji nokuthunyelwa.

Siyakwamukela kumaphrojekthi wokuxhumana nathi, amasampula kanye nekhotheshini kuzonikezwa mahhala.