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1
Update on ResearchMoving Ahead with TRB and Arizona DOT
Brent Cain, PE
TSM&O Division Director
Arizona Department of Transportation
August 4, 2016
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Research Update
www.trb.org/nchrp/Pages/775.aspx
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Wrong-Way Vehicle DetectionArizona DOT Pilot Project
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Detecting
Tracking
Locating
Alerting
Challenges
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Typical Detection of a Wrong-Way Driver
• Confirmation of wrong-way vehicle• Dispatch of law enforcement• Notification of other motorists
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The Aftermath of a Wrong-Way Collision
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Signing and Pavement Markings
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Signing and Pavement Markings
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Signing and Pavement Markings
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Pilot ProjectUtilizes Existing Infrastructure
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Detection and Alerts
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Active Traffic ManagementADOT Ramp Meter Pilot Project
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Traffic Responsive Metering
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Corridor Adaptive Ramp Metering
Upstream & downstream ramp meters work together
Proactively mitigates congestion
Cost-efficient operation
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I-10 Corridor Coalition
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“Reducing Friction” on I-10between the ports ofLos Angeles and Houston