extreme weather events and highways · 2020. 5. 19. · national climate assessment (2014) •...
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Extreme Weather Events and HighwaysExtreme Weather Events and Highways
Date: May 30, 2014Committee: STEICSPresenters: Michael D Meyer Parsons BrinckerhoffPresenters: Michael D. Meyer, Parsons Brinckerhoff
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AASHTO AASHTO EXTREME WEATHER EVENTS SYMPOSIUM
Best Practices for Extreme Weather Management
• It pays to be ready and pre-plan
g
pre plan• Practice, practice, practice• Know what is out thereKnow what is out there• Use all forms of
communication media
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OTHER KEY MESSAGESOTHER KEY MESSAGES
• Affects operations and maintenance functions of state DOTs today and will do more so in the future
• Involves coordinated efforts on the part of numerous pgovernmental and emergency response agencies
• Possibly changes the way one designs infrastructurePossibly changes the way one designs infrastructure
• Uses a wide range of technologies to better manage emergency responseemergency response
• Relates to asset management systems
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AASHTO’s Center forAASHTO s Center forEnvironmental Excellence Initiative
Update on FederalSOMSCOEUpdate on Federal
Programs and Recent Research
SCOENASTORecent ResearchWASHTOSASHTO
SCOH SCOM STEICS SOD SOC
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National Climate National Climate Assessment
(2014)(2014)
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NATIONAL CLIMATE ASSESSMENT (2014)NATIONAL CLIMATE ASSESSMENT (2014)
• Changing climatic conditions and extreme weather g gevents are affecting the reliability and capacity of the U.S. transportation system in many ways.
M j t l i t i l di b th t d• Major coastal impacts, including both temporary and permanent flooding.
• Extreme weather events currently disrupt transportation• Extreme weather events currently disrupt transportation networks in all areas of the country; projections indicate that such disruptions will increase.
• Impacts can be reduced through a wide range of adaptive actions.
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STUDIES & RESEARCH ON STUDIES & RESEARCH ON EXTREME WEATHER & THE TRANSPORTATION SYSTEM
NCHRP 750, VOL. 2
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Key Concepts
A t l bilit
Key Concepts
• Asset vulnerability• System resiliency• Adaptation
Risk• Risk• Flexible design• Operations/maintenance
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KEY QUESTIONSKEY QUESTIONS
• How Could Changes in Temperature Affect Road Assets?How Could Changes in Temperature Affect Road Assets?
• How Could Changes in Precipitation Affect Road Assets?
• How Could Sea-Level Rise Affect Road Assets?
• How Could Greater Hurricane Intensity Affect Road Assets?y
• How Could Stressors Affect Ecological Systems?
• What Are the Types of Adaptation Strategies that Can Be Considered by Transportation Agencies?
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For example…
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POTENTIAL CONSTRUCTION-RELATED IMPACTS
• Changes to the windows available for certain weather-
POTENTIAL CONSTRUCTION RELATED IMPACTS
gsensitive construction activities (e.g., paving) including, in many cases, a lengthening of the construction season
• Changes in working hours or other strategies to protect laborers from heat waves
• Different construction contracting methods for responding to• Different construction contracting methods for responding to quick fix projects
• Enhanced erosion dust and sedimentation control plans forEnhanced erosion, dust and sedimentation control plans for more extreme precipitation events
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POTENTIAL CONSTRUCTION-RELATED IMPACTS
• Different types of materials and designs
POTENTIAL CONSTRUCTION RELATED IMPACTS
yp g
• Greater precautions in securing loose objects on job sites or new tree plantings due to stronger winds
• Work zone traffic management plans that take into account more frequent and perhaps more intense storms; work zone recovery strategiesrecovery strategies
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VermontVermont
DISASTER RECOVERY AND LONG-TERM
RESILIENCE
Guidance Document forGuidance Document for the State of Vermont
November 2013
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CaliforniaCalifornia
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Highways Agency (England)Highways Agency (England)
Vulnerability of Pavement Assety
http://www.highways.gov.uk/publications/climate-change-mitigation/
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Priorities for Adaptation of Highways Agency AssetsHighways Agency Assets
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University Research
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EXTREME WEATHER & EXTREME WEATHER & THE TRANSPORTATION SYSTEM RESOURCES
AASHTO RESOURCESAASHTO RESOURCES• Transportation and Climate Change Resource Center
(See especially State DOT Climate Change Programs)
http://climatechange.transportation.org/
• Adapting Infrastructure to Extreme Weather Events: Best P ti d K Ch ll W k h S R tPractices and Key Challenges, Workshop Summary Report, 2012
• Integrating Extreme Weather Risk into Transportation AssetIntegrating Extreme Weather Risk into Transportation Asset Management, Technical Paper, 2012
• Impacts of Extreme Weather on Transportation: National Symposium Summary 2013Symposium Summary, 2013
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Transportation Research Board Efforts
• NCHRP 25-25 (94): Integrating Extreme Weather and Adaptation into Transportation Asset Management Plans
ACRP SYNTHESIS 33 Ai t Cli t Ad t ti d• ACRP SYNTHESIS 33, Airport Climate Adaptation and Resilience A Synthesis of Airport Practice
• Risk-Based Adaptation Frameworks for Climate Change• Risk-Based Adaptation Frameworks for Climate Change Planning in the Transportation Sector, Research Circular E-C181
• Adapting Transportation to the Impacts of Climate Change: State of the Practice 2011
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Transportation Research Board Efforts
• Synthesis of Climate Change and Transportation Research Efforts at State DOTs, State Universities, and Federal Level (2011)Federal Level (2011)
• Global Change and Extreme Hydrology: Testing Conventional Wisdom (2011)Conventional Wisdom (2011)
• International Conference on Transportation System Resilience to Climate Change and Extreme Weather Events, mid-2015
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EXTREME WEATHER & EXTREME WEATHER & THE TRANSPORTATION SYSTEM RESOURCES
U S DOT:U.S. DOT:http://climate.dot.gov/
FHWA: FHWA: http://www.fhwa.dot.gov/environment/climate_change/index.cfm
USGS: USGShttps://www.pwrc.usgs.gov/CCWG/Resource_USag.htm
Georgetown Climate Center: htt // t li t / /t t ti dhttp://www.georgetownclimate.org/resources/transportation-and-
climate-change-clearinghouse-tccc
EU: EU: http://ec.europa.eu/clima/policies/adaptation/index_en.htm