Abatwara abakozi bo mu nsi ni imodoka ya serivisi ikoreshwa cyane mu birombe bitandukanye no mu mishinga yo kubaka tunel.Abakiriya barashobora guhitamo umubare wintebe ukurikije ibyo bakeneye.Amakadiri arasobanuwe, hamwe ninguni nini yo guhinduranya, radiyo ntoya ihindagurika.Sisitemu yo kohereza ikoresha Dana gearbox na torque ihindura kugirango ihuze neza.Moteri ni ikirango cyo mu Budage DEUTZ, moteri ya turbuclifike ifite imbaraga zikomeye.Igikoresho gisukura gaze ni igikoresho cyo muri Kanada ECS platine catalitiki isukura hamwe na muffler, bigabanya cyane ihumana ry’ikirere n’urusaku muri tunnel ikora.Kugeza ubu, hari imyanya 13, 18, 25, 30 mukoresha bisanzwe.