Investigation of Toowoomba intersection crashes

Sharp, Clayton Anthony (2006) Investigation of Toowoomba intersection crashes. [USQ Project]


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Today’s society puts a large emphasis on reducing road crash rates because of the high
financial and social costs which are largely preventable. The main project aim is to
identify suitable engineering treatments that can be applied to problem intersections of
Toowoomba City by use of a classification method.
Most of Toowoomba is based on the grid street pattern, with a somewhat fragmented
road hierarchy. High connectivity is provided, but this can cause a mixing of different
traffic purposes and variability.
This project takes an approach of developing and applying a derived intersection
classification system which allows the charting and analysis of intersection crash data
by intersection class.
Such analysis relies heavily on the integrity of the data received and the assumptions
applied. Many crash data discrepancies were found and outcomes were influenced by
the intersection classification system adopted and subsequent intersection groupings
Due to the high variability of intersections and traffic behaviour, the application of
intersection remedial treatments is still best left to a case by case basis. However there
maybe some scope for grouping of intersections. Further development will require
more refinement of the classification system and analysis of a bigger crash data set.

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Item Type: USQ Project
Refereed: No
Item Status: Live Archive
Faculty/School / Institute/Centre: Historic - Faculty of Engineering and Surveying - Department of Agricultural, Civil and Environmental Engineering (Up to 30 Jun 2013)
Date Deposited: 11 Oct 2007 01:02
Last Modified: 02 Jul 2013 22:43
Uncontrolled Keywords: transport; road; crash; accident; traffic; Toowoomba City Council (TCC); DMR
Fields of Research (2008): 09 Engineering > 0905 Civil Engineering > 090507 Transport Engineering
Fields of Research (2020): 40 ENGINEERING > 4005 Civil engineering > 400512 Transport engineering

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