Why is the z 186 train late today?

The delay of the z 186 train may be caused by the following reasons:

1. Weather factor: In case of heavy snow, rainstorm and other bad weather, the train will slow down for the safety of cars and people.

2. Force Majeure: In case of landslide, collapse, earthquake, flood and other problems, the train may be delayed or even stopped.

3. Equipment failure: power supply equipment, tracks, signals, trains, etc. Failure, equipment maintenance will cause the train to be delayed.

4. Sudden accident: the front car broke down and the car was sprayed with sunscreen spray, causing emergency braking.

The specific reasons need to be determined according to the notice issued by the station or the official.