I am a college graduate. Please tell us about the working hours of railway signal workers.

It seems that the landlord does not know much about the railway industry. The signal is the power part. Generally, the on-site signalmen are on the day shift, but the night shift takes turns. If there are many people, you can have a rest. If there are few people, they can only obey the overall situation. If you are a signal soldier such as a high-speed rail, you will go to work at night, usually from 9 pm to 3 am, because you need a sports car during the day and have no time to repair it; If it's a car, it seems to be three shifts. I'm not sure exactly. As long as one of the first two is on duty in turn, the others are weekends!