Passenger transportation complex parent-subsidiary mobile carrier

A passenger transportation complex parent-subsidiary mobile carrier comprising:

• a parent carrier, the parent carrier being defined with at least one reference axis and having a parent carrying section and a profile line surrounding and connecting with the parent carrying section, the parent carrier including at least one first connection section disposed on the parent carrier;
• and
• at least one subsidiary carrier, the subsidiary carrier being defined with a central reference axis and having a subsidiary carrying section and a profile line surrounding and connecting with the subsidiary carrying section, the subsidiary carrier including a second connection section disposed on the subsidiary carrier, the second connection section being releasably mated and connected with the first connection section, at least one of the parent carrier and the subsidiary carrier being self-movable and including a power control unit capable of controlling moving speed and direction, at least one of the parent carrier and the subsidiary carrier having a passenger transportation section, whereby when the first connection section is mated and connected with or released from the second connection section, the reference axis of the parent carrier is aligned with and connected with the central reference axis of the subsidiary carrier so that at least a part of the profile line of the parent carrier is mated and connected with at least a part of the profile line of the subsidiary carrier, whereby at least a part of the parent carrying section and at least a part of the subsidiary carrying section are mated and connected with each other and positioned on the same plane so that the parent carrier and the subsidiary carrier are connected to together form the complex carrier as an integrated assembly to move together or separated from each other.