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 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

Demographic Profile

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

2000 Census Data

1990 Census Data

2000 Density, Sub-groups

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 -

2000 City Land Use Survey

City Population Density, ’90, ‘00

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

Dynamic Query in GIS

Availability of Sidewalks

Neighborhood Study

North University Neighborhood

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

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 ?