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Spatial analysis for neighborhood accessibility

Spatial analysis for neighborhood accessibility. GIS Water Resources Anna Okola. Background. Demographic data useful and necessary part of transportation analysis and planning Transportation – service provision Accessibility

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Spatial analysis for neighborhood accessibility

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  1. Spatial analysis for neighborhood accessibility GIS Water Resources Anna Okola

  2. Background • Demographic data useful and necessary part of transportation analysis and planning • Transportation – service provision Accessibility • BTS - it is fundamentally concerned with the opportunity that an individual at a given location possesses to participate in a particular activity or set of activities

  3. Demographic Profile

  4. Demographic Profile

  5. Data Sources • City of Austin (ftp site) • Texas State Data Center • Texas Department on Aging • Texas Department of Health

  6. 2000 Census Data

  7. 1990 Census Data

  8. 2000 Density, Sub-groups

  9. Land Use Patterns • Austin is a ‘residential’ city – almost 50% of developed land • 5% commercial & office space combined • 5% industrial • In 1990, about 80% of Austin was undeveloped, while 57% of developed land was residential. • Increase in industrial sector (1990 -

  10. 2000 City Land Use Survey

  11. City Population Density, ’90, ‘00

  12. NURSING HOME EMS H HOSPITAL H HEALTH CLINIC Access to Health Facilities

  13. Dynamic Query in GIS

  14. Availability of Sidewalks

  15. Neighborhood Study

  16. North University Neighborhood

  17. Methodologies • Handy, • three methods for analysis • Cumulative opportunities • Gravity based models • Random utility theory Result - accessibility index

  18. Summary • Presented visual respresentation of demographic data • Use of GIS for inventory purposes, to capture resource gaps • Future work - to include zone specific data to enable detailed analysis Questions ?

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