What is automatic block between stations?

Automatic inter-station block is a block mode that automatically goes through the block procedures under the condition of interval occupancy inspection, and the train automatically closes according to the exit signal after the signal starts.

Automatic inter-station block is a new block mode developed on the basis of semi-automatic block. Station exit signals at both ends of the section are interlocked with track inspection equipment. Track inspection equipment is used to automatically check that the interval is idle and the train runs at intervals between stations. By handling the departure route and checking the train clearance interval, the interval block and interval opening are automatically realized.

Automatic block between stations has the following characteristics:

(1) Check whether the equipment is occupied by the bay.

(2) Only one train is allowed between stations.

(3) Automatically handle the blocking procedures when handling the departure route.

(4) Automatic train arrival confirmation and automatic block recovery.