Bus bay with variable berths and operation method therefor

A bus bay with variable berths, comprising:

• a bus stop with a plurality of fixed berths, a variable berth module, an in-station detection module, an off-station detection module, a motorway, and green belts;
• wherein the bus stop, the variable berth module, the in-station detection module, and the off-station detection module are sequentially arranged side by side on a side of the motorway;
• and the green belts are disposed on another side of the motorway;
• wherein the variable berth module comprises:
• an alternative berth and an alternative waiting area, and the alternative berth and the alternative waiting area are surrounded by a plurality of sets of lifting columns;
• the in-station detection module and the off-station detection module are disposed in the green belts;
• and a warning sign is fixed on a pole as belonging to the off-station detection module;
• and
• wherein the in-station detection module comprises:
• a control sub-module therein, and the variable berth module, the in-station detection module, and the off-station detection module are connected with the control sub-module.