addressing climate change adaptation in regional transportation plans

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Addressing Climate Change Adaptation in Regional Transportation PlansA Guide for California MPOs and RTPAsFigure 8.1Setting Mission, Goals, and ObjectivesASSETINVENTORYSCOPE OUT LEVEL OFEFFORTIDENTIFY AND CULTIVATESTAKEHOLDERSSURVEY EXISTING CLIMATEADAPTATION EFFORTSCLIMATEINFORMATIONCREATE LINKAGEWITH RTP EFFORTSCREATESTAKEHOLDERKNOWLEDGE MAPREVIEW HAZARDMITIGATION PLANSFOLLOW GUIDANCEFROM NATIONAL,STATE ANDREGIONAL BESTPRACTICESSET UP ADVISORYBOARDLEVERAGE THEUNIVERSITYCOMMUNITYIDENTIFY OTHERNONTRANSPORTATIONEFFORTSSource: Cambridge Systematics, Inc., 2012.8.2 INITIATING THE PROCESS FOR RTP INTEGRATIONCurrently, there is no federal or state requirement to incorporate adaptation intothe RTP. In the already complex and multifaceted, long-range transportationplanning on which California MPOs and RTPAs regularly embark, consideringclimate adaptation should support existing planning processes rather than takeplace outside of the RTP cycle. Within this context, MPOs/RTPAs would ideallydo the following every time an RTP is up for development or revision:Identify relevant climate stressors (sea-level rise, temperature changes, snowmelt, precipitation changes, flooding, extreme weather events) and assesstheir impacts and relative risks to the regional transportation systeminfrastructure and services;Conduct an asset inventory and vulnerability assessment of existinginfrastructure;Prioritize segments and facilities for adaptation action;Identify appropriate and cost-effective adaptation strategies; and Incorporate climate impact considerations into future long-rangetransportation planning and investment decisions either through projectprioritization or acknowledgment of these impacts and a commitment toongoing study.8-2 Cambridge Systematics, Inc.
Addressing Climate Change Adaptation in Regional Transportation PlansA Guide for California MPOs and RTPAsThe start of the effort should include scoping out the level of effort, identifyingand cultivating stakeholders, surveying existing efforts in the region, andengaging stakeholders in preliminary discussions.Scope out the Level of EffortCreate Linkages with RTP EffortsThe recommended application of this climate assessment and adaptationprocedure is to link the climate adaptation assessment with the RTP efforts.Because RTPs are required to be for a minimum of 20 years, most RTPs have ahorizon year of 20 or 25 years. The climate scenarios should be performed for thematching RTP horizon year (or a close as possible given available resources), aswell for a much longer-term future year that incorporates the life spans of themost durable infrastructure investments in the region, often bridges. Althoughat the time of writing, there has been no formal incorporation of climateadaptation in project prioritization, some regions outside of California, such asOahu MPO and Chattanooga-Hamilton County Regional Planning Agency, havebegun to consider these issues parallel to their long-range transportationplanning efforts. Larger MPOs in California such as the MetropolitanTransportation Commission (MTC) and San Diego Association of Governments(SANDAG) have also conducted more extensive analyses on sea-level risespecifically, but outside of the formal RTP process.Follow Guidance from National, State, and Regional Best PracticesThere are many sources of guidance from the national, state, and regional levelsthat a MPO/RTPA must consider before initiating a climate assessment andadaptation strategy. Currently, there is no national recommendation forincorporating climate adaptation into long-range transportation planning,although the FHWA has developed a variety of tools and resources to helpregional agencies to take action. For those state and regional agencies working atthe forefront of adaptation planning, FHWA has provided pilot project fundingfor the development of assessments. FHWA provided funds for five projectscompleted in 2011, and another round of pilot projects is set to begin in early2013.At the state level, Caltrans produced Guidance on Incorporating Sea-Level Rise(2011) for its planning staff to help determine if sea-level rise should beaddressed in a particular project and if so, how to incorporate it. It guidesplanners and project managers through a two-step process: the first step is todetermine if the project will be affected by sea-level rise; the second step balancessea-level rise impacts with consequences to the transportation system todetermine if adaptation measures should be included in the project. Thisguidance document is intended to be updated as research on this emerging topicof climate change adaptation is released. California Executive Order S-13-08,signed in 2008, mandates that state agencies planning projects in vulnerableCambridge Systematics, Inc. 8-3
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appendix b reportState-of-the-Pract
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State-of-the-Practice Climate Chang
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C A L I F O R N I AADAPTATIONPLANNI
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Adaptation Planning Guide - Advisor
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List of Tables (cont’d.)Table 6.
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Climate Impact RegionsThe APG is or
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APGSTART HERE:PLANNING FOR ADAPTIVE
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What are the designated climate imp
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CA Climate Adaptation Planning Guid
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• Selected Demographic Data. Sele
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Cal-Adapt ProjectionsTable 1. Summa
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Selected Infrastructure and Regiona
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illnesses due to air pollution resu
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Additional Resources• Sea level r
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Cal-Adapt ProjectionsTable 5. Summa
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frequency can harm forests. Large i
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Bay Area RegionCounties: Alameda, C
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the Sacramento and San Joaquin rive
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Table 12. Selected Population Data
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Sea level rise is also expected to
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Additional Resources• Public Heal
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Cal-Adapt ProjectionsTable 13. Summ
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Table 16. Selected Population Data
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As with crops, climate change impac
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Additional Resources• Wildfire Re
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elevations, increased static levee
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The ecosystem functions of the Delt
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Setting and HistoryThe California D
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The islands in the lower Bay-Delta
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Some of the questions that should b
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Southern Central Valley RegionCount
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Biophysical CharacteristicsThe west
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The crops produced are varied and i
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Communities in this region should e
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have the resources to prepare for,
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Additional Resources• Sea Level R
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Timber practices have also had ecos
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Southeast Sierra RegionCounties: Al
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Biophysical CharacteristicsThe sout
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ultimately result in reduced water
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particular concern are populations
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Additional Resources• Sea Level R
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industry around Big Bear. As there
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California Natural Resources Agency
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