STRUCTURE /Dyna_Detector_Station/
         
         INTEGER*2 number   ! station number
         INTEGER*2 link     ! link # on which station resides
         INTEGER*2 dist     ! Location Downstream end of detector (from
                            !   upstream node of link, in feet?)
         INTEGER*2 length   ! Effective length of detector (in feet)
         
         INTEGER   cross(MAX_TIME_STEPS) ! Number of veh that crossed in
                                         ! previous interval
         REAL      lastact(MAX_LANES)    ! Time of last actuation
         INTEGER   count(MAX_LANES)      ! Poisonified number of
                                         ! actuations in last step 
         REAL      util(MAX_LANES)       ! Poisonified utilization in
         
         INTEGER processed  ! flag indicating processing state of
                            !   detector during current timestep (should
                            !   be short int)
         INTEGER totcross   ! total # of vehicles which have crossed
                            ! detector 
         INTEGER totcount   ! total # of detector actuations registered
         END STRUCTURE
      
      STRUCTURE /Dyna_Actuation/   ! For use with external detector
                                   ! processing
         INTEGER detcode
         INTEGER time
         END STRUCTURE