How many subjects and three exam routes are there in Wujiang?

One * * * four test routes, 1, lines 3 and 4 are almost the same, the direction of No.2 is different, and the project order is different. One car with two people and one safety officer (the safety officer is an auxiliary police officer, not a coach). There are small mirrors on both sides of the front cover of the test car. Call the number in the examination room (it is normal to wait for more than two hours in the examination room. You should get ready to get on the bus at 1 and 2 pm to avoid hypoglycemia. The security officer will eat in batches at 1 1). When two people get on the bus, the security officer will drive to the exam route and finally drive back. Electronic sound full range indication project. If there is a project failure in the middle, the electronic sound will prompt the safety officer to pull over and then the safety officer will drive back to the starting point to take the second exam. A * * * will have two chances. The detection sequence after getting on the bus is displayed as the first and second on the small electronic screen.