Enhanced Identification of High-Risk Intersections Haris Zia - - PowerPoint PPT Presentation

enhanced identification of high risk intersections
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Enhanced Identification of High-Risk Intersections Haris Zia - - PowerPoint PPT Presentation

Enhanced Identification of High-Risk Intersections Haris Zia Graduate Transportation Engineer Auckland (2013) 233 Fatal or Serious injury crashes at intersections 79% occurred at intersections with no previous fatal or serious injury


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Enhanced Identification of High-Risk Intersections

Haris Zia Graduate Transportation Engineer

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Enhanced Identification of High-Risk Intersections | 23/03/2015

Auckland (2013)

  • 233 Fatal or Serious injury crashes at intersections
  • 79% occurred at intersections with no previous fatal or serious injury

crashes in past 5 years

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Enhanced Identification of High-Risk Intersections | 23/03/2015

High-Risk Intersections Guide

Guides identification, targeting and remediation of key road safety issues at high-risk intersections

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Enhanced Identification of High-Risk Intersections | 23/03/2015

Estimating the Risk of Death and Serious Injury

Speed Limit Intersection Form and Type Crash Movement Types

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Enhanced Identification of High-Risk Intersections | 23/03/2015

Calculating a Risk Profile

  • Accessible information
  • Understanding of assessment techniques
  • Approximately 30 minutes per intersection
  • Problem?
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Enhanced Identification of High-Risk Intersections | 23/03/2015

Risk Profiling a City

The right tool for the job:

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Enhanced Identification of High-Risk Intersections | 23/03/2015

Methodology Overview

Road Centreline Data Review of Data Quality Clean Road Centreline Data Create Intersections Run Models Extract Crash Data from CAS Calculate Risk Metrics

Collective and Personal Risk Scores

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Enhanced Identification of High-Risk Intersections | 23/03/2015

Outputs in Web Format

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Enhanced Identification of High-Risk Intersections | 23/03/2015

Outputs in Web Format

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Enhanced Identification of High-Risk Intersections | 23/03/2015

Conclusions

  • High-risk metrics approach represents a shift away from a wholly reactive

response to road safety.

  • Key to identifying high risk intersections is to undertake analysis at a network

wide level  GIS

  • Unlock the true value of transport data and save lives!
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Contact the office T M E +64 9 974 9820 (Akld) +64 3 377 4703 (Chch) www.abley.com T T W Auckland Level 8, 57 Fort Street P O Box 911336 Auckland 1142 New Zealand Christchurch Level 1 and 2, 30a Carlyle Street PO Box 25350 Christchurch 8144 New Zealand

Contact

Haris Zia +64 3 371 0032 +64 20 4019 8839 haris.zia@abley.com