Lake County’s Adaptive Signal Control System 3/Ada… · · 2015-10-27Lake County’s Adaptive...
Transcript of Lake County’s Adaptive Signal Control System 3/Ada… · · 2015-10-27Lake County’s Adaptive...
Lake County’s AdaptiveSignal Control System
Jon Nelson, P.E.Bill Eidson, P.E., PTOE
Lake County Division of Transportation
October 14, 2015
Aptakisic Road Project Overview
• County Highway –3.25 miles from IL 83 to US 45/IL 21
• 8 traffic signals• Mix of Land Uses and Traffic• 20,000-25,000 ADT (Aug 2014)
New technology - 2009
• FHWA releases“Every Day Counts”
• Forward thinking
• History of trying something new.
Funding & Education - 2011
• Congestion Mitigation & Air Quality (CMAQ) application and selection
• Webinars (FHWA & vendors)
• NCHRP review
System Engineering - 2011
• FHWA releases draft SE model for Adaptive Systems
August 2011• FHWA holds SE workshop
September 2011• TES Conference workshop
October 2011
System Engineering - 2012
• One of the first agencies to work with FHWA Resource Center on document following the model (multiple versions reviewed)
System Engineering - 2012
• FHWA releases updated model –August 2012
• System Engineering approved –
October 2012• Concept of Operations• System Requirements• Verification Plan• Validation Plan• System Maintenance
Request for Proposals - 2013
• Worked with IDOT OP&P Agreement signed March 2013
• RFP released May 2013
• Contract with Rhythm Engineering signed August 2013
PS & E
• Designer selected – April 2012– Base plans developed– Project on hold until
system selected• Modified plans to
meet new design• Project let Jan 2014
Cost
• In Sync Cost - $247,000– Includes equipment, configuration, training
• Installation Cost - $336,000 (low bid contract)
– Includes new cabinets & controllers, additional detection, and optimization/validation studies
InSync System
• Processors in Each Cabinet
• Communications Between All Processors
• Designer Sets Parameters and Schedule
• InSync Adapts within Parameters
Installation
• New Cabinets Installed at 5 intersections
• All Controllers Econolite ASC/3
• On Existing PASSAGE Network
• Fiber Optic, Ethernet Based Communications
Adaptive Operations
80
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100
110
120
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140
150
6:00 AM 7:00 AM 8:00 AM 9:00 AM 10:00 AM 11:00 AM 12:00 PM 1:00 PM 2:00 PM 3:00 PM 4:00 PM 5:00 PM 6:00 PM 7:00 PM
Perio
d/Cy
cle
(Sec
)
Time of Day
TOD Cycle Lengths vs. Adaptive Period LengthsWeekday Conditions
Adaptive Period (6/3/2015) Adaptive Period (6/4/2015) TOD Cycle Length
General Observations
• Overall Good Performance• Increased Volumes on Aptakisic Rd.• Public Comments
Corridor Challenges
• Railroad Preemption• Area Construction• Fiber Optic Cable• Congestion at IL 83
Thank You
Jon Nelson, P.E.Bill Eidson, P.E., PTOE
Lake County Division of [email protected]@lakecountyil.gov
847-377-7000