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Transit Connectivity Evaluation in Southeast Seattle

Transit Connectivity Evaluation in Southeast Seattle. Tianle Cheng, Julie Coronado , & Neela Vahora URBDP 422 - Group Project March 13, 2014. Background. Transit - Dependent Communities L ow-income M inorities A uto-oriented development McKenzie 2013, Tomer 2011

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Transit Connectivity Evaluation in Southeast Seattle

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  1. Transit Connectivity Evaluationin Southeast Seattle Tianle Cheng, Julie Coronado,& Neela Vahora URBDP 422 - Group Project March 13, 2014

  2. Background • Transit-Dependent Communities • Low-income • Minorities • Auto-oriented development McKenzie 2013, Tomer 2011 • Metro aims to “promote fair and equal access to Metro’s services and activities for all people in our service area, including minority populations and people who have limited English proficiency, disabilities, or low incomes.” • King County Metro Transit Report 2013

  3. Why Southeast Seattle?

  4. Question How does transit connectivity, that is the linkage between residential areas and points of interests (land use parcels of services and amenities) as provided by bus routes, vary in Southeast Seattle?

  5. Areas of transit dependency Median HH Income Origin: neighborhood (Block Group) Spatial Extent Routes Auto-oriented development Scale Transit Network Connectivity Stops Destinations: Points of Interest Land Use: • Gov. Services • Retail/Services • School/ daycare • Park/playground • Public Facilities • Recreation/entertainment Fare Cost Access Increased Ridership Outreach & Public Knowledge Pop. Density Supporting Infrastructure Safety & Comfort Bus Stop Facilities Frequency & Reliability Temporal Spatial

  6. Data Dictionary

  7. Procedure Select by Attribute Select by Location

  8. Procedure Select by Location Buffer Select by Location Frequency Table

  9. Procedure • Total number of Points of Interests • 7 categories • Government Service • Office • Park/Playground • Public Facility • Recreation/Entertainment • Retail/Service • School/Daycare

  10. Procedure • (Shannon) Diversity Index • It accounts for both abundance and evenness • Equation H = 1.258

  11. Findings & Analysis

  12. Findings & Analysis Diversity Index Number of Accessible POIs • I-90 Junction • Rainier Beach area • Martin Luther King Jr. Way S. corridor

  13. Findings & Analysis Number of Accessible POIs • Downtown • U District • I-5 Corridor North of Canal

  14. Limitations • Frequency of service • Transfer • POIs within block groups are also included • POI data mainly for Seattle • Euclidian vs. Network Distance • Other modes of transit excluded (Light Rail, Sound Transit buses)

  15. Implications & Next Steps • Diversity index of census block groups reveals connectivity to services and amenities • King County Metro can use the diversity index to improve services • Apply similar methods to entire city

  16. Thank you! Questions?

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