The Effects of Street Network Layout on Walking to School

Torun, Ayse Ozbil, Argin, Gorsev and Yesiltepe, Demet (2015) The Effects of Street Network Layout on Walking to School. In: ICSAUD 2015 - 17th International Conference on Sustainable Architecture and Urban Design, 17th - 18th August 2015, Barcelona, Spain.

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Official URL: https://waset.org/pdf/books/?id=29317&pageNumber=2...

Abstract

Data for this cross-sectional study were drawn from questionnaires conducted in 10 elementary schools (1000 students, ages 12-14) located in Istanbul, Turkey. School environments (1600 meter buffers around the school) were evaluated through GIS-based land-use data (parcel level land use density) and street-level topography. Street networks within the same buffers were evaluated by using angular segment analysis (Integration and Choice) implemented in Depthmap as well as two segment-based connectivity measures, namely Metric and Directional Reach implemented in GIS. Segment Angular Integration measures how accessible each space from all the others within the radius using the least angle measure of distance. Segment Angular Choice which measures how many times a space is selected on journeys between all pairs of origins and destinations. Metric Reach captures the density of streets and street connections accessible from each individual road segment. Directional Reach measures the extent to which the entire street network is accessible with few direction changes. In addition, socio-economic characteristics (annual income, car ownership, education-level) of parents, obtained from parental questionnaires, were also included in the analysis. It is shown that surrounding street network configuration is strongly associated with both walk-mode shares and average walking distances to/from schools when controlling for parental socio-demographic attributes as well as land-use compositions and topographic features in school environments. More specifically, findings suggest that the scale at which urban form has an impact on pedestrian travel is considerably larger than a few blocks around the school.

Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: Istanbul, street network layout, urban form, walking to/from school
Subjects: K400 Planning (Urban, Rural and Regional)
Department: Faculties > Engineering and Environment > Architecture and Built Environment
Depositing User: Paul Burns
Date Deposited: 09 Jul 2018 09:44
Last Modified: 22 Mar 2019 10:01
URI: http://nrl.northumbria.ac.uk/id/eprint/34875

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