1

Update on ResearchMoving Ahead with TRB and Arizona DOT

Brent Cain, PE

TSM&O Division Director

Arizona Department of Transportation

August 4, 2016

2

Research Update

www.trb.org/nchrp/Pages/775.aspx

3

Wrong-Way Vehicle DetectionArizona DOT Pilot Project

4

Detecting

Tracking

Locating

Alerting

Challenges

5

Typical Detection of a Wrong-Way Driver

• Confirmation of wrong-way vehicle• Dispatch of law enforcement• Notification of other motorists

6

The Aftermath of a Wrong-Way Collision

7

Signing and Pavement Markings

8

Signing and Pavement Markings

9

Signing and Pavement Markings

10

Pilot ProjectUtilizes Existing Infrastructure

11

Detection and Alerts

12

Active Traffic ManagementADOT Ramp Meter Pilot Project

13

Traffic Responsive Metering

14

Corridor Adaptive Ramp Metering

Upstream & downstream ramp meters work together

Proactively mitigates congestion

Cost-efficient operation

15

Thank YouBrent Cain, PE

bcain@azdot.govArizona Department of Transportation

16

I-10 Corridor Coalition

17

“Reducing Friction” on I-10between the ports ofLos Angeles and Houston