Spatial Analysis of North Central Texas Traffic Fatalities 2001-2006

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A traditional two dimensional (planar) statistical analysis was used to identify the clustering types of North Central Texas traffic fatalities occurring in 2001-2006. Over 3,700 crash locations clustered in ways that were unlike other researched regions. A two dimensional (x and y coordinates) space was manipulated to mimic a one dimensional network to identify the tightest clustering of fatalities in the nearly 400,000 crashes reported from state agencies from 2003-2006. The roadway design was found to significantly affect crash location. A one dimensional (linear) network analysis was then used to measure the statistically significant clustering of flow variables of after ... continued below

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viii, 80 p.: ill.

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Rafferty, Paula S. December 2010.

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  • Rafferty, Paula S.

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A traditional two dimensional (planar) statistical analysis was used to identify the clustering types of North Central Texas traffic fatalities occurring in 2001-2006. Over 3,700 crash locations clustered in ways that were unlike other researched regions. A two dimensional (x and y coordinates) space was manipulated to mimic a one dimensional network to identify the tightest clustering of fatalities in the nearly 400,000 crashes reported from state agencies from 2003-2006. The roadway design was found to significantly affect crash location. A one dimensional (linear) network analysis was then used to measure the statistically significant clustering of flow variables of after dark crashes and daylight crashes. Flow variables were determined to significantly affect crash location after dark. The linear and planar results were compared and the one dimensional, linear analysis was found to be more accurate because it did not over detect the clustering of events on a network.

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viii, 80 p.: ill.

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  • December 2010

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  • May 4, 2011, 1:11 p.m.

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  • Jan. 14, 2014, 2:03 p.m.

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Rafferty, Paula S. Spatial Analysis of North Central Texas Traffic Fatalities 2001-2006, thesis, December 2010; Denton, Texas. (digital.library.unt.edu/ark:/67531/metadc33195/: accessed July 20, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; .