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Regional Transportation Infrastructure Sea Level Rise Assessment and Adaptation GuidanceP R E S E N T E D B Y S A R A H P I E R C EShoreline Preservation Working Group
D E C E M B E R 5 , 2 0 1 9
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Overview
Project Team, Goals, and Key Definitions
Vulnerability Assessment
Best Practices
Adaptation Pathways
Conclusions and Next Steps
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Stakeholder Comments and Working Group Recommendation
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Project Team, Goals, and Key Definitions01
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Project Team
SANDAG (Sarah Pierce, Katie Hentrich)Dudek (Zoë Carlson, Sarah Richmond, Kaitlin Carney)Moffatt & Nichol (Chris Webb, Conor Ofsthun)Caltrans Shoreline Preservation Working Group Local jurisdictions and agencies
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Project Goals
Assess vulnerabilities and risk to regional facilities (e.g. highways, bikeways, trails, light and heavy rail)Document sea-level rise (SLR) best practices/lessons learnedAdaptation “toolkit” – local and regional measures to mitigate sea-
level rise impacts (policies, projects, and funding sources)
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Regional Transportation Infrastructure
Any transportation asset that crosses jurisdictional boundaries including highways, bikeways, and trails (ATPs), light and heavy rail.
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Vulnerability Assessment02
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Vulnerability Assessment02
Local SLR Planning
CoSMoS
VAST
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Vulnerability Assessment02
CoSMoS
VAST
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Vulnerability Assessment02
Local SLR Planning
CoSMoS
VAST
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Vulnerability Assessment02
Local SLR Planning
CoSMoS
VAST
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Vulnerability Assessment02
Local SLR Planning
CoSMoS
VAST
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Vulnerability Assessment02
Local SLR Planning
CoSMoS
VAST
Most effective comparing within a specific category VAST indicators not appropriate across asset
categories Stakeholder feedback important to gauge value VAST is transparent and user friendly Uniquely suited for transportation
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Adaption Planning Best Practices03
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Adaptation Planning Best Practices03
Interviews
Best Practices
Nine interviews Best practices
identified in two or more interviews
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Adaptation Planning Best Practices03
Interviews
Best Practices
Collaborate Conduct outreach Conduct vulnerability and risk assessments Develop adaptation polices Pursue multi-jurisdictional planning efforts
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Adaptation Pathways04
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Adaptation Pathways04
Policies
Projects
Funding
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Adaptation Pathways04
Policies
Projects
Funding
Potential Sea-Level Rise Adaptation Strategies
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Adaptation Pathways04
Policies
Projects
Funding
Lagoon and Harbor Sediment Sources
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Adaptation Pathways04
Policies
Projects
Funding
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Conclusions and Next Steps05
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Conclusions and Next Steps05
Local Jurisdictions
SANDAG
Regional Planning
Pursue funding for feasibility study for RBSP III Consider update to the SPS to account for SLR Consider adding biological monitoring to RSMP Discuss sand retention pilot with SPWG and
jurisdictions Implement improvements to I-5 and the LOSSAN
corridor
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Comments and Recommendation06
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Shoreline erosion and cliff retreat
Include additional facilities in VA and/or VAST (i.e. Harbor Drive; Jimmy Durante Blvd.)
Sediment sources discussion and analysis
Comments and Feedback06
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Timeline and Next Steps06
December 2019 SPWG Meeting
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The Shoreline Preservation Working Group is asked to recommend that the Regional Planning Committee recommend acceptance of the Regional Transportation Infrastructure Sea-Level Rise Assessment and Adaptation Guidance by the SANDAG Board of Directors.
Recommendation06
Recommended