Map 1
Start
  Receive Bus
    Bus
      RECEIVE
    Task
      INIT
    Loc
      RESERVE
  allocateTask
    Task
      WAITING
  mergeMajorTask
    Travel
      RUNNING
    Segment
      INIT
      WAITING
    Task
      ASSIGN
  traffic trigger
    lockPath
    Action
      PREPARE
    Segment
      RUNNING
  publishAction
    Action
      ISSUED
    Task
      PROGRESS
  upDataSubscribe
    Loc
      Complete
    Task
      COMPLETE
    Action
      FINISH
    Segment
      FINISH
    Travel
      FINISH