Post on 16-Jan-2023
What is a “smart” road?How active traffic management is utilizedConcept of operations StakeholdersPrevious methods of communication Benefits
Presented by Steve Mednis on April 11, 2018 2
Agenda
Helps enhance traveler safety on the Tollway network while reducing congestion and improving corridor transportation management
Overhead gantries placed every half mile that provide real-time information to alert drivers to
• Travel times• Traffic incidents• Lane closures • Traffic pattern changes
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What Is Active Traffic Management?
Presented by Steve Mednis on April 11, 2018
Customer education and community outreach
Traffic Incident Management System (T.I.M.S.) software developed for scenarios/strategies
System testing and acceptance
Tollway staff, Illinois State Police, dispatch, emergency responders, Pace Bus Service and Maintenance employees
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How We Implemented ATM
Presented by Steve Mednis on April 11, 2018
Scenarios• Weather• Minor incident• Traffic enforcement• Major incident• Full closure• Congestion
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Concept Of Operations
• Stationary work zone• Rolling work zone• Car fire• Disabled vehicle• Partial system failure
Presented by Steve Mednis on April 11, 2018
• Motorist reports to Tollway via *999 or 911• Cellphone notifications to Illinois State Police District 15• Media reports• Reports from State Police, Maintenance and toll plaza staff• Roadway camera surveillance• Pace Bus driver reports• All notifications go through the Tollway’s Central Dispatch
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Notification, Detection And Confirmation
Presented by Steve Mednis on April 11, 2018
Traffic Operations Center• Assists with incident
detection and confirmation• Monitors and reports effects
of construction on traffic• Communicates to the public
through the media and with changeable message signs
• Activate ATM
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Communication
Presented by Steve Mednis on April 11, 2018
CADCADDispatchDispatch
CADCADDispatchDispatch
ISP DISP D--1515MaintenanceMaintenanceMaintenanceMaintenance
Towing & Towing & RecoveryRecovery
ISP DISP D--1515MaintenanceMaintenanceMaintenanceMaintenance
Towing & Towing & RecoveryRecovery
MediaMedia
Incident Incident NotificationNotification
Fire & Fire & AmbulanceAmbulance
MediaMedia
Incident Incident NotificationNotification
Fire & Fire & AmbulanceAmbulance
Motorist CallMotorist Call
Plaza ReportPlaza Report
911 Call911 CallTransferTransfer
**999 Report999 Report
Motorist CallMotorist Call
Plaza ReportPlaza Report
911 Call911 CallTransferTransfer
**999 Report999 Report
Computer-Aided Dispatch
Presented by Steve Mednis on April 11, 2018 9
Workflow• CCTV verification• Review the proposed ATM response
• LCS – Borders• DMS/GDMS – Displayed to activate• All other activities – same as any other event
• Edit (if necessary)• Activate• Monitor and update• Cancel
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ATM Response Plan Utilization
Presented by Steve Mednis on April 11, 2018
Lane blocking events• Divert to most open lanes• Use of arrows with MERGE and CAUTION• Use of two, sometimes three gantries
Congestion zones – gantry DMSPace Bus operations
• Pace sections recommended for opening during congestion• Flex Lane must be clear
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Scenarios And Basic Parameters
Presented by Steve Mednis on April 11, 2018
• Use of caution arrow adjacent to blocked lanes, including shoulders
• Default is blank over the live lanes• Gantry DMS to support corridor-specific events and local travel
times• No speeds on LCS• Pace sections
• Located between Higgins Road and the Devon Avenue Toll Plaza• Section breaks between Roselle Road and Illinois Route 53 and
between Arlington Heights Road and Elmhurst Road
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Settings
Presented by Steve Mednis on April 11, 2018
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LCS Response Plan Basics
Blocked lane
Appropriate action
Adjacent lane to a responder
Lane open
Lane default
Pace bus
Presented by Steve Mednis on April 11, 2018