ITS in Minnesota Minnesota Guidestar Program and Project Updates September 13, 2005
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1 ITS in Minnesota Program and Project Updates September 13, 2005
2 Intelligent Transportation Systems (ITS) in Minnesota ITS and the Program Truck Priority at Signalized Intersections Condition Acquisition and Reporting System and 511 Mayday Project
3 What is ITS? Application of technology to improve the safety and efficiency of the transportation system.
4 What is ITS? Traffic Management Signal Systems Ramp Meters Emergency Response Mobile Data Terminals 911 Dispatch RF Data Networks Public Transportation Paratransit Dispatch Automatic Vehicle Location Signal Priority Commercial Vehicles Electronic Clearance Electronic Permits Traveler Information Message Signs 511, Web Sites/ Infrastructure Cell Providers Telecom/Data Services Wide Area Networks Fiber Optic Facilities GIS Databases Intelligent Vehicles Driver Assistance Technologies Collision Prevention Research
5 ITS in the Twin Cities INCIDENT CONGESTION About 50% of all congestion is incident related About 15% of the freeway crashes are secondary crashes
6 Co-location of: Regional Transportation Management Center (RTMC) Freeway Operations Maintenance Dispatch State Patrol Dispatch Signal Operations
7 CCTV Cameras (285 Cameras) Loop Detectors (4000 Loops)
8 Variable Message Signs (70 VMS on Metro Freeways) Ramp Meters (419 Meters)
9 ITS in Greater Minnesota Road Weather Conditions Road Construction Special Event Traffic Management
10 ITS in Greater Minnesota: Transportation Operations and Communications Centers Mn/DOT Maintenance Dispatch State Patrol Dispatch Transportation Operations Traveler Information Thief River Falls Virginia Detroit Lakes Duluth Brainerd St. Cloud Marshall Mankato Rochester
11 SLOW DOWN ACCIDENT AHEAD Roadside VMS R/WIS LEFT LANE CLOSED Cameras Portable VMS
12 Automated Gates Bridge De-icing Smart Work Zones Transit Priority
13 Program Research, Operational Tests, Operations Program (Formed in 1991) Board of Directors Mn/DOT Office of TSO ITS Minnesota Role: - MN ITS Policy Direction - Strategic Plan - Action Plan Role: - Administer ITS $ - Support Guidestar Board - Direct Statewide Conformance (Arch., Stds., Consistency) Role: - Foster Particip/Partnerships - ITS Awareness/Acceptance - Professional Capacity Bldg. - Help Grow Markets, Research
14 3 Project Updates Truck Priority at Signalized Intersections Condition Acquisition and Reporting System (CARS) and 511 Mayday Project
15 Truck Priority at Signalized Intersections: The Problem Trucks suffer more stopping and starting penalty than cars Cars following trucks are penalized Pavement wear and noise are greater for stopping trucks Safety issues with stopping and starting trucks
16 Truck Priority at Signalized Intersections: The Possibilities Optimize Signal Timing Hold the green light for a truck Notify truck of speed to get a green light ( speed funnel )
17 Truck Priority at Signalized Intersections: Hwy 169 at Laredo Street, Belle Plaine TH 169
18 Truck Priority at Signalized Intersections: Optimize Signal Timing Increase the main road minimum green Increase gap between vehicles on main road before ending green Favors main road vehicles
19 Truck Priority at Signalized Intersections: Detecting Trucks New Truck Loops Existing Loops
20 Truck Priority at Signalized Intersections: Speed Funnel Would require making portions of the signal green time to be pre-timed Incompatible with preemption Sign Display would change quickly Conclusion: Do not implement speed funnel
21 Truck Priority at Signalized Intersections: Results for Percent Stopping Percent Stops - Mainline Trucks Percent Stops - Cross Street 35.0% 30.0% 25.0% 20.0% 15.0% 10.0% 5.0% 0.0% AM MID PM Before Modified Timing Truck Priority 82.0% 80.0% 78.0% 76.0% 74.0% 72.0% 70.0% 68.0% 66.0% 64.0% AM MID PM Before Modfied Timing Truck Priority Time Period Time Period Percent Stops - Mainline NB Percent Stops - Mainline SB 45.0% 40.0% 35.0% 30.0% 25.0% 20.0% 15.0% 10.0% 5.0% 0.0% AM MID PM Before Modified Timing Truck Priority 30.0% 25.0% 20.0% 15.0% 10.0% 5.0% 0.0% AM MID PM Before Modified Timing Truck Priority Time Period Time Period
22 Truck Priority at Signalized Intersections: Results for Cycle Length Truck at Front of Queue in Right Lane 16.0% 14.0% 12.0% 10.0% 8.0% 6.0% 4.0% Before Modified Timing Truck Priority 2.0% 0.0% AM MID PM Time Period
23 Truck Priority at Signalized Intersections: Results for Delay/Vehicle Delay/Vehicle - Mainline Trucks (sec) Delay/Vehicle - Cross Street (sec) Before Modified Timing Truck Priority Before Modified Timing Truck Priority 0.0 AM MID PM 0.0 AM MID PM Time Period Time Period Delay/Vehicle - Mainline NB (sec) Delay/Vehicle - Mainline SB (sec) AM MID PM Time Period Before Modified Timing Truck Priority AM MID PM Time Period Before Modified Timing Truck Priority
24 Truck Priority at Signalized Intersections: Results for Delay/Stopped Vehicle Delay/Stop - Mainline Trucks (sec) Delay/Stop - Cross Street (sec) AM MID PM Before Modified Timing Truck Priority AM MID PM Before Modified Timing Truck Priority Time Period Time Period Delay/Stop - Mainline NB (sec) Delay/Stop - Mainline SB (sec) AM MID PM Time Period Before Modified Timing Truck Priority Time Period Before Modified Timing Truck Priority
25 Truck Priority at Signalized Intersections: Results for Cycle Length Average Cycle Length (sec) AM MID PM Time Period Before Modified Timing Truck Priority
26 Truck Priority at Signalized Intersections: Conclusions Truck priority is low cost Truck detection is reasonably accurate Truck priority reduces the number of trucks that must stop Truck priority increases the cycle length, which cancels the benefits in delay Try a 2-lane site next
27 Condition Acquisition and Reporting System (CARS) and 511 CARS: A standards based system for assembling, managing, and distributing real time road and weather related information 511: A nationwide reserved phone number for traveler information In Minnesota CARS provides the data for 511
28 Condition Acquisition and Reporting System (CARS) and 511 Automated entry of Road Weather Information System data Automated entry of traffic congestion levels
29 Condition Acquisition and Reporting System (CARS) and 511 Manual entry of construction events, incidents, and Amber Alerts
30 Condition Acquisition and Reporting System (CARS) and 511 Current and Future Connections to: Other states systems (Northwest Passage) On-Star MnPass Travel Time State Patrol computer aided dispatch
31 Condition Acquisition and Reporting System (CARS) and 511 Local Telco Qw est Long Distance BeV ocal IV R F I R E W A L L Public dailing 511 MDA RS cell phones NWS CA RS- 511 IV R C a s t l e R o c k Public Internet users NOC Web Statis tic s FTP Private Sector Workstation Brow ser Mn/DOT R/WIS s erv er rw is.dot.state.mn.us / FTP Mn/DOT Loop Detectors XML post web page data.dot.s tate.mn.us :8 080/dds/station.xml ONSTAR Call / Data center SSL Port 443 SOAP Push to CARS MnCARS MSP CAD Still under development F I R E W A L L F I R E W A L L F I R E W A L L F I R E W A L L Mn CA RS-511 A pplication Serv ers (Java program) MnCA RS Or egon Window s 2000/2003 Serv ers MnCA MDARS RS WAP- A pp R/WIS Mn CA RS Ser v er (JAVA program) CA RS- Data pull (traffic event creation) CARS Mayday ( Onstar ingest) CA D- CA RS ( State Patr ol ingest) F I R E W A L L MnCA RS- Web ( public traveler inf ormation w eb site) 511mn.org AND Mn/ PGS: mnpark.org Window s Server / ASP 80 F I R E W A L L F I R E W A L L TOCC Window s 2000 Serv er TOCC FTP Script RTMC ERM XML Ingest: carsprogram.org/mn/ test.xml (redirects to /MN/test.xml) on Port 80 Workstation - RTMC, Metro Maintenance Dispatch & Resident Offices, Outs tate Dis tric t staff, MS P Sun JAVA Applet Brow ser Needs access to: carsprogram.org/ mn (redirects to /MN) on ports 80 and 1111 F I R E W A L L TOCC Camer as FTP
32 Condition Acquisition and Reporting System (CARS) and 511 Traveler Information Distribution: mn.org web page
33 Condition Acquisition and Reporting System (CARS) and in ,138 calls
34 Condition Acquisition and Reporting System (CARS) and mn.org in ,120 visitors 16,762,902 page views 35,915,277 hits
35 Condition Acquisition and Reporting System (CARS) and 511 Conclusion: CARS is the focal point for real time traveler information in Minnesota CARS access multiple sources of data Main CARS output is to 511 and 511mn.org
36 Mayday Project ROCK A project to integrate emergency voice and data communications between: Telematics Call Centers (OnStar) 911 Call Center Dispatchers Emergency Responders
37 Mayday Project Data: Vehicle to OnStar Location Airbag deployed Change in velocity, direction of force, multiple impacts Rollover Other
38 Mayday Project Centrally Available Standardized Server Data Portion Operational In 2004 CARS Other Users Emergency Responder
39 Mayday Project Voice: Vehicle to OnStar Cellular connection to OnStar operator OnStar to Public Safety Answering Point OnStar determines appropriate PSAP Wired line call to PSAP Administrative line
40 Mayday Project PSAPs in Minnesota Actual SRs in Minnesota Telcordia Lab 5ESS Base Station TMS PSAP MF MF S-MSC S-MSC Simulated S-MSCs Simulated T-MSC ISDN PRI PSTN WSP Base Station X.25 Base Station TMS AIN TCAP SRDB SRDB MPC TCAP S-MSC/VLR Signaling Control AIN TCAP OnStar Call Center (Lab) ALI ALI TCAP Network Services Test System (NSTS) HLR Voice Signaling TCAP T-MSC Signaling Control XML interface
41 Mayday Project 22 PSAPS will participate in test 3 Selective Routers IES - Hutchinson Qwest - Minneapolis/St.Paul and Rochester Looking for feedback from PSAPs Currently Performing Testing
42 Mayday Project Conclusions Data from a vehicle can be provided to emergency service providers through a central standardized database Voice call from a vehicle can be routed from the telematics call center to the appropriate PSAP using standard telephone equipment
43 Summary ITS and the Guidestar Program Truck Priority at Signalized Intersections CARS/511 Mayday Project 511mn.org
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