on traffic critical projects - national rural its conference...2014 iwz lessons •many steps...
TRANSCRIPT
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IntelligentWorkZonesonTrafficCriticalProjects
National Rural ITS ConferenceSnowbird, Utah
August 10‐12, 2015Tim Simodynes, ITS Engineer
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FourMainCausesofDelay
• Recurring Congestion• Weather• Traffic Incidents• Construction
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2014TrafficCriticalProjects• Projects that can repeatedly or quickly lead to significant travel delays
• Freeways over 17,000 vehicles/day• Border Bridges• Focused on deploying ITS –
“Intelligent Work Zones”
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2014Resources• Statewide TOC• Existing ITS Devices:
• Cameras, Sensors, DMS
• TransSuite Software• “Queue Detection”
• ITS Communication Networks• Integration of Rental Devices
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2014ITS/IWZSolutions• Expanded Monitoring
• Portable Cameras & Traffic Sensors
•Driver Information• Portable DMS
•Queue Detection & Warning
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PortableCameras•Axis pan‐tilt‐zoom•Great within reach of ITS Communications Network
• Same as permanent Cameras
• On 511ia.org
• Less useful on Cellular Modems
• New Cellular Options
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PortableTrafficSensors
•Wavetronix, side‐fire radar• Same as our permanent Sensors• Traffic counts & speeds every 20 seconds
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PortableDMS
• TOC has controlled Rentals since 2013• Tried Mapping using GPS in modems
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StatewideTraffic
OperationsCenter(TOC)
• 24/7 operation• Camera, Sensor and DMS Management
IntelligentWorkZoneCoordination
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IWZTeam• SRF Consultants: Writing contract and managing projects
• Street Smart Rentals: Statewide Qualifications and Cost‐based IWZ Device Services contract
• TransCore: ATMS Integration Support
• Schneider/Telvent: Traffic Operations Center
• InTrans: Eval. & Analysis
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QueueDetectionSystemsSouthboundI‐35
RED = Portable DMSGREEN = Portable Sensor Work Zone
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TrafficSignalPreemption
Council Bluffs
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Iowa:3MillionPeople
9“Metro”Areas (50,000+pop.)
Des Moines
Ames Cedar Rapids
Quad Cities
WaterlooSioux City
Council Bluffs/Omaha
Dubuque
Iowa City
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2014IWZLocations
14 Total Projects(Planned 11, Removed 2, Added 5)60 Sensors, 44 DMS, 6 Cameras
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2014IWZSuccesses
• Flexibility of Statewide IWZ Contract
• Sensor Data Tracking
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SensorDataTrackingSpreadsheet
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2014IWZSuccesses
• Flexible Statewide IWZ Contract
• Sensor Data Tracking
• Integration • Permanent vs. Portable; Owned vs. Rental • Cameras & DMS on 511ia.org
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511ia.org
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2014IWZLessons• MANY steps required for success
• Planning with Construction• Technical Details
• Deployment, Communications, Integration, System verification, Sensor calibration (speeds & volumes), Sensor monitoring
• Queue detection systems• Logic development, implementation, verification, monitoring, revising
• Communication among ALL stakeholders (there are many)
• Document Process, Roles and Responsibilities
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LongRangeGoalforTrafficCriticalProjects(TCP)Design and Stage construction and maintenance projects that will have minimal impact on traffic, while still being economical to construct. Have
plans in place to minimize the effects of incidents.
2015, 2016 & 2017 projectsDefine Roles & Procedures
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TrafficCriticalProjectSelection•“Traffic Critical Network”
• Expressways over 17,000 veh/day
•Projects that will impact Traffic
•Projects where an incident could have severe traffic impacts
• Iowa DOT District Input
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2015TrafficCriticalProjectTreatments
Intelligent Work Zone deployments
‐ and/or ‐
Traffic Incident Management planning (T.I.M.)
‐ and/or ‐
Work Time Restrictions
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TrafficIncidentManagement(TIM)Plans
•Metro‐wide Plans for detours, DMS messaging, emergency contacts, etc.
•Written based on input from Engineering, Enforcement, Emergency Responders
• Expert TIM consultants used to coordinate meetings and prepare plans
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TIMPlanningonTCPs• Reinforce Relationships among Engineering, Enforcement, Emergency Responders
• Share information and awareness• Have contingency plans in place
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TIMPlanningon2015TCPs
•20 Projects need TIM work
• 8 New TIM plans
• 12 TIM plan updates
•21+ more projects with “TIM Awareness”
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TrafficCriticalProjects–InternalTrackingWebPage
https://sites.google.com/site/iowatcp/
New for2015
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TrafficCriticalProjects–InternalTrackingWebPage
https://sites.google.com/site/iowatcp/
New for2015
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ExtraTrafficSensorsfor…•Analysis of Non‐IWZ projects
• Speeds and Volumes• Future Projects
• Seasonal, Daily and Hourly Traffic Counts & Classifications
New for2015
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RuralCameraOptions•Cellular Modem Communications Options
• Provide Video while Managing Data Usage
•Q‐Vision• Recorded Clips• Live 5‐minutes max.
• Live View• ?
New for2015
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AdditionalIWZTechnologies
• Portable DMS with Radar Detection
New for2015
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AdditionalIWZTechnologies
• Speed Feedback Trailers
New for2015
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AdditionalIWZTechnologies
AutomatedTrucks Entering
Warning
TRUCKS ENTERINGWHEN FLASHING
New for2015
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ProgramFunding• IWZ Contract Funding Source
• 2014 – $1.4 million in ITS budget
• 2015 – Use construction project funds for IWZ
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2015IntelligentWZonTCP
•19 IWZ Projects Identified Initially• February District Visits; April Projects Started
• Expanded to 26 projects
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2015IntelligentWZonTCP
• Improved TOC monitoring and email alerts
•Weekly IWZ Team Confr. Calls
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2015TrafficCriticalProjects
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FutureofTCPinIowa• Evaluate effectiveness of each strategy
• Further define roles and responsibilities
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FutureofTCPinIowa• Institutionalize the Practice from Planning to Design to Construction
•Replace (and vastly expand) current Federal Transportation Management Plan (TMP) requirements