Barrier Sound waxaa inta badan loo adeegsadaa yareynta buuqa ee waddada, waddada weyn, viaduct iyo ilaha kale ee buuqa. Waa nooc ka mid ah carqaladaha la dhigay dhinaca waddada ama tareenka si loo yareeyo saameynta buuqa baabuurtu ku yeelato dadka deggan agagaarka.