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Transit Accessibility of Major Employment Centers in San Diego

www.sdmts.com. Transit Accessibility of Major Employment Centers in San Diego. Midterm Presentation | UP 206A, Fall 2010 Peter Ruscitti November 2, 2010. Midterm Summary…. Found that many employment centers are not within reasonable range of San Diego County transit system

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Transit Accessibility of Major Employment Centers in San Diego

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  1. www.sdmts.com Transit Accessibility of Major Employment Centers in San Diego Midterm Presentation | UP 206A, Fall 2010 Peter Ruscitti November 2, 2010

  2. Midterm Summary… • Found that many employment centers are not within reasonable range of San Diego County transit system • 111,000/663,0000 people with no access to transit/rail transit at workplace • The 2,000-foot buffer is based on: • City of San Diego, Transit-Oriented Development Design Guidelines, Ch. 1 • http://www.sandiego.gov/planning/documents/pdf/trans/todguide.pdf • FHWA, Pedestrian Safety Guide for Transit Agencies, Ch. 4 • http://safety.fhwa.dot.gov/ped_bike/ped_transit/ped_transguide/ch4.cfm • Only looking at urbanized area of San Diego County • Prevents rural outliers from skewing statistics

  3. For Future Investigation… • We know how many people work in these “transit deserts,” but who lives in them? • Compare accessibility data with census tract data on population, income, employment, transit usage, etc. • What is the pollution cost of this inaccessibility? • Estimate carbon cost of driving trips to/from inaccessible employment centers, scaled for ridership estimates • Should the San Diego MTS/NCTD expand bus routes to serve the transit deserts? • Compare the cost of bus-route expansion to the cost of current pollution, and the size/needs of the under-served populations • Expansion of bus routes would give more access to the system, but travel times could still remain prohibitively high for many

  4. Skills Applied • Inset Maps • Graduated Symbology • Aggregating Attribute Fields • Attribute Sub-Sets Selections • Boundary Sub-Sets Selections • Distance • Buffering • Geoprocessing

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