How to pronounce “buss”(adj) in English

supper, the kid stands beside his tent in the damp semi-darkness beneath the Claiborne causeway and contemplates the smooth blue waters of the wide Colusa Bay, and the southern outflow of the thousandmile long Atlantic intercoastal water way. Bumper to bumper cars trucks buss and intermittent motorcycles rumble over himcrossing between the mainland and the Barrier islands, on the eastern side of the Bay. It's the end of a long late summer day. Everyone's