The Bridge & Tunnel Supervisor Passbook(R) prepares you for your test by allowing you to take practice exams in the subjects you need to study. It provides hundreds of questions and answers in the areas that will likely be covered on your upcoming exam, including but not limited to: supervisory techniques in directing the work of assigned personnel; technical knowledge of maintenance, operation, inspection; knowledge of electrical, mechanical, structural and automotive fields related to facilities of the authority; and more.