LTC, Annual Forum,Greener California: Impacts of Senate Bill 375 and Winning Strategies for Southern California, 05/22/2009, Mike Reibel
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LTC, Annual Forum,Greener California: Impacts of Senate Bill 375 and Winning Strategies for Southern California, 05/22/2009, Mike Reibel

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Mike Reibel; Department of Geography and Anthropology, Ca Poly Pomona

Mike Reibel; Department of Geography and Anthropology, Ca Poly Pomona

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LTC, Annual Forum,Greener California: Impacts of Senate Bill 375 and Winning Strategies for Southern California, 05/22/2009, Mike Reibel Presentation Transcript

  • 1. Geospatial Analysis for SB375 Planning Three main areas: 1. Optimize new housing mix to reduce vehicle miles traveled (VMT) 2. Identify (and if possible rank*) suitable sites for transit- oriented development (TOD) 3. Identify (and if possible rank*) potential mass transit capital projects and/or service modifications * Possible ranking meant to demonstrate a range of potential scenarios based on different value streams All three are best performed in GIS Cal Poly PomonaC G I S R Center for Geographic Information Science Research
  • 2. Criteria for New Housing• Determine optimal unit type mix (SFR vs. multi, TOD vs. non-TOD multi, tenure mix, affordability) given new housing allocations, CEQA breaks and local needs• Select sites for optimal mix if available or else adjust mix to that which is optimal given the geography of available sites Cal Poly PomonaC G I S R Center for Geographic Information Science Research
  • 3. Criteria for TOD Analysis • Geography of existing mass transit • Potential geographies of new mass transit under various scenarios • Specifications for suitable parcels, and availability (subject to zoning variances if necessary) • Demand for multifamily housing • Economic feasibility of potential TOD developments (including benefits of CEQA breaks) Cal Poly PomonaC G I S R Center for Geographic Information Science Research
  • 4. Criteria for Transit Planning Under SB375 • Similar to ordinary criteria for optimal service, except • Consider service increases and/or modifications that would be optimal under various scenarios of new TODs and various increased transit funding scenarios Cal Poly PomonaC G I S R Center for Geographic Information Science Research
  • 5. TODs are Key Note that each of the three analyses are driven by TOD decisions: • How many TOD units to develop? • What size TOD developments? • What use mixes (housing, retail, office…) • What specific parcels to target? • Once these decisions are made, the parameters for the other decisions shift accordingly Cal Poly PomonaC G I S R Center for Geographic Information Science Research
  • 6. Housing Housing TOD Plan Mix Allocation New New Housing Existing Transit Site Selection Transit Plan Plan Cal Poly PomonaC G I S R Center for Geographic Information Science Research
  • 7. Data Requirements• Geospatial Data: Other Data:• Existing housing • Housing allocation• Existing transit • VMT reduction targets• Parcel data w/ availability • Housing mix preferences• Zoning entitlements • Strategic decisions re:• Geodemography of home & TOD and transit network work commutes development• Geography of services (shopping etc.) Cal Poly PomonaC G I S R Center for Geographic Information Science Research
  • 8. Scale of Analysis • MPOs are charged with developing SB375 compliance plans called sustainable communities strategies (STS), but • MPOs are answerable to their constituent local governments • Local governments should consider doing their own SB375 planning so as to better lobby their MPOs for the plans they like best Cal Poly PomonaC G I S R Center for Geographic Information Science Research
  • 9. Planned Methods and Tools for Strategic SB375 Planning • The SB375 team at Cal Poly Pomona is proposing to develop methods and tools with support from the LTC during 2009-2010 • Methods = An analytic protocol specifying models, threshold ranges and processes for the analysis tasks • Information = A Clearinghouse offering relevant data in standardized formats and other useful utilities • Tools = A largely automated set of GIS routines to implement the protocol and help local governments with SB375 planning Cal Poly PomonaC G I S R Center for Geographic Information Science Research