Road Weather Road Weather Management Management

StrategiesStrategies

Ray Murphy, ITS SpecialistRay Murphy, ITS SpecialistUS DOT – FHWAUS DOT – FHWA

Office of Technical ServicesOffice of Technical Services

http://www.slideshare.net/

Ray MurphyRay Murphy• FHWA +10 yrs - program support:

– Road Weather Management

– Emergency Transportation Operations

– Real – Time Data

• + 20 yrs Illinois Dept. of Transportation:

– Operations, Maintenance, & Construction

– ITS Project Manager

• Electrical Engineer & Mentor & CEC Officer/Seabees

Instructor Bio:

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Learning OutcomesLearning Outcomes

1. List the 3 basic road weather management strategies

2. Identify the appropriate road weather management strategy to address specific weather impact on the transportation system

By the end of this lesson, you will be able to:

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Management tools designed to implement and mitigate the impact of weather on surface transportation activities.

Road Weather Management StrategiesRoad Weather Management Strategies

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Road Weather Management Strategies

• Rain

• Snow

• Ice

• Fog

• High winds

• Flooding

• Tornadoes

• Hurricanes

• Avalanches

To mitigate the impacts of weather on the transportation system:

?

Weather Events

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Road Weather Management Road Weather Management Strategies - Strategies - AdvisoryAdvisory

Provide information on prevailing and predicted conditions to both transportation managers and motorists

Colorado DOT Dynamic Message Sign6

Road Weather Management Road Weather Management Strategies – Strategies – AdvisoryAdvisory (cont.) (cont.)

• Road weather information for travelers

• Weather-related motorist warning systems

• Environmental monitoring systems

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Road Weather Management Road Weather Management Strategies - Strategies - ControlControl

Alter the state of roadway devices to permit or restrict traffic flow and regulate roadway capacity

North Carolina DOT8

Road Weather Management Road Weather Management Strategies – Strategies – ControlControl (cont.) (cont.)

• Weather-related signal timing

• Speed management systems

• Evacuation and access control operations

• Environmental monitoring systems

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Road Weather Management Road Weather Management Strategies - Strategies - TreatmentTreatment

Supply resources to roads to minimize or eliminate weather impacts

The treatment strategy begins by the determination of the hazard (current or predicted).

Montana DOT Bridge Deicing Operations10

Road Weather Management Road Weather Management Strategies – Strategies – Treatment Treatment (cont.)(cont.)

• Anti-icing/deicing systems

• Maintenance vehicle management system

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ExerciseExercise

Purpose:

• Review the utilization of appropriate road weather management strategies

MATCH GAMEMATCH GAME

Matching Exercise for each Group 1, 2, 3 & 412

MATCH GAME MATCH GAME (cont.)

• Group 2

Which road weather management strategies includes environmental impact: ________________ .TREATMENTTREATMENT

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MATCH GAME MATCH GAME (cont.)

• Group 4

Strategies that provide information on prevailing and predicted conditions are called ____________ .ADVISORYADVISORY

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MATCH GAME MATCH GAME (cont.)

• Group 1

Which strategy alters the state of roadway devices to permit or restrict traffic flow and regulate roadway capacity: ____________ CONTROLCONTROL

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MATCH GAME MATCH GAME (cont.)

• Group 3

Which RWM strategy provides information related to the movement and treatment actions of maintenance vehicles: ________________ CONTROLCONTROL

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Review: Learning OutcomesReview: Learning Outcomes

1. List the 3 basic road weather management strategies

2. Identify the appropriate road weather management strategy to address specific weather impact on the transportation system

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For more information:

Ray Murphy, ITS Specialist, FHWA Operationsray.murphy@dot.gov, 708-215-0979

Helpful Links:• FHWA Road Weather Management

• www.ops.fhwa.dot.gov/weather/• Clarus Web Portal

• www.clarus-system.com

Thank you!Thank you!

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