1. Simulation of Traffic Signal Systems SubcommitteeJanuary 14, 2008 ATACid CID/TS2 Tester for VISSIM, Cube Dynasim, and CORSIM Shawn Birst, P.E. Advanced Traffic Analysis Center Upper Great Plains Transportation Institute North Dakota State University Fargo, ND TRB 87 th Annual Meeting Simulation of Traffic Signal Systems Subcommittee January 14, 2008

2. Simulation of Traffic Signal Systems SubcommitteeJanuary 14, 2008 Hardware Components PC/104 platform (embedded system) PC/104 platform (embedded system) EIA-485 port with SDLC protocol EIA-485 port with SDLC protocol CID – Controller CID – Controller Ethernet port Ethernet port Host PC Host PC RS-232 port RS-232 port Ethernet config. Ethernet config.

3. Simulation of Traffic Signal Systems SubcommitteeJanuary 14, 2008 Software Components CIDserv software CIDserv software Acts as MMU – stay out “Flash” status Acts as MMU – stay out “Flash” status Formats and exchanges Formats and exchanges CIDlink software - TS2 Tester CIDlink software - TS2 Tester Detector Test Detector Test Simulation Interfaces - HILS Simulation Interfaces - HILS VISSIM VISSIM Cube Dynasim Cube Dynasim CORSIM CORSIM

4. Simulation of Traffic Signal Systems SubcommitteeJanuary 14, 2008 CIDlink Software Receives and transmits data Receives and transmits data Used for verification and testing Used for verification and testing

5. Simulation of Traffic Signal Systems SubcommitteeJanuary 14, 2008 CIDlink – Detector Test

6. Simulation of Traffic Signal Systems SubcommitteeJanuary 14, 2008 VISSIM Interface VISSIM 4.1+ (PTV AG) VISSIM 4.1+ (PTV AG) Dynamic link library (DLL) runs within VISSIM to process detector/signal data Dynamic link library (DLL) runs within VISSIM to process detector/signal data Configuration files Configuration files Interstage File (PUA) – ATACid parameters Interstage File (PUA) – ATACid parameters Logic File (VAP) – Signal/detector mapping Logic File (VAP) – Signal/detector mapping

7. Simulation of Traffic Signal Systems SubcommitteeJanuary 14, 2008 VISSIM Interface Control program used by VISSIM Network information of ATACid Maps simulation signals/ detectors to controller

8. Simulation of Traffic Signal Systems SubcommitteeJanuary 14, 2008 Cube Dynasim Interface Cube Dynasim 2 (Citilabs) Cube Dynasim 2 (Citilabs) Dynamic link library (DLL) runs within Dynasim to process detector/signal data Dynamic link library (DLL) runs within Dynasim to process detector/signal data Application creates a configuration file and prepares simulation scenario Application creates a configuration file and prepares simulation scenario Maps signals/detectors Maps signals/detectors References ATACid References ATACid Starts Dynasim server and selects simulation scenario Starts Dynasim server and selects simulation scenario

9. Simulation of Traffic Signal Systems SubcommitteeJanuary 14, 2008 Cube Dynasim – Simulation Setup Network Object Required Name Object Explanation ControllerC{Intersection Index} Intersection controller Vehicle Signal (VS) C{Intersection Index}_{Signal Index}_ R11_ {Physical Index} Signal phase Presence Detector C{Intersection Index}_{Detector Index}_ ADA_1 Vehicle detector

10. Simulation of Traffic Signal Systems SubcommitteeJanuary 14, 2008 Cube Dynasim Interface

11. Simulation of Traffic Signal Systems SubcommitteeJanuary 14, 2008 CORSIM Interface TSIS/CORSIM 6.0 (McTrans) Run Time Extension Dynamic link library (RTE DLL) runs within CORSIM to process detector and signal data One time setup Application creates Application creates a configuration file: Maps signals/detectors References ATACid

12. Simulation of Traffic Signal Systems SubcommitteeJanuary 14, 2008 CORSIM Interface - Simulation Setup

13. Simulation of Traffic Signal Systems SubcommitteeJanuary 14, 2008 CORSIM Interface

14. Simulation of Traffic Signal Systems SubcommitteeJanuary 14, 2008 HILS Operation Simulation sends its detector calls to CID 1-10 X per sec. CIDserv Formats detector call data into frames Formats signal states into frames CID Forwards detector frames to controller Forwards signal states to simulator Responds to Simlator’s detector calls Relays signal states to CID Traffic Simulation

15. Simulation of Traffic Signal Systems SubcommitteeJanuary 14, 2008 Virtual Traffic Laboratory Nevada Virginia North Dakota Texas Tennessee

16. Simulation of Traffic Signal Systems SubcommitteeJanuary 14, 2008 Thanks to our partners: PTV AG / PTV AG PTV AG / PTV AG Citilabs Citilabs FHWA, McTrans FHWA, McTrans For More Information: http://www.atacenter.org/cid/