designing & implementing a gis-based roadway …...goal: turn the 6-step roadway safety...
TRANSCRIPT
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Designing & Implementing a GIS-based Roadway Safety Management System for CTDOTPresented by Eric Jackson, Ph.D.Dale Abbott, GISP
April 25, 2019
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Meeting with you today
CT Transportation Safety Research Center– Eric Jackson, PhD
• Director
VHB– Dale Abbott, GISP
• New England Applied Technology Manager
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Agenda
Overview of Roadway Safety Analysis– Roadway Safety Overview– Data Sources– Roadway Safety Management Process
Overview of the CT Roadway Safety Management System (CRSMS)– CRSMS Demo– Question & Answer
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Why conduct roadway safety analysis?
To effectively apply funds by selecting and
applying appropriate
countermeasures
To reduce the number and severity of
crashes
To gain a better understanding of safety
concerns on the roadways
To link crashes to their roadway environments
Roadway Safety Overview
Federal Transportation Legislation Requirements
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What is the primary safety issue on your roads?
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Data Sources?
There are 3 primary sources of data:
1. Crash Data
2. Facility Data (Roadway Data)
3. Traffic Volume Data
Crash Data
Facility Data
Traffic Volume
Data
GIS is Critical
Analysis is only as good as the input data…..
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FHWA Roadway Safety Management Process (RSMP)
Network Screening
Diagnosis
Countermeasure Selection
Economic Appraisal
Project Prioritization
Safety Effectiveness
Evaluation
Identifying ways to address/mitigate the underlying safety issues identified through diagnosis.
Further investigating sites/issues identified in network screening to identify existing and potential safety issues.
Identify Contributing Factors
Analyzing the entire network to identify potential sites or issues for further investigation• Site-specific: identify specific sites for further analysis
(typically those with high crashes or over-represented crashes).
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Project Overview Client: CTDOT
Highway Safety Improvement Program (HSIP) Funds
Goal: Turn the 6-Step Roadway Safety Management Process into a custom Safety Management Solution for CTDOT.
Implementation of the Highway Safety Manual
Agile Development Methodology– Incremental Development Strategy
Milestones– Network Screening Module Released in January 2018– Data Admin Module – Released in Fall 2018– Diagnosis Module – February 2019– Countermeasure Selection – May 2019– Remaining Modules – December 2019
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CT Roadway Safety Management System
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CT Roadway Safety Management System Custom, GIS-based Web Application
Leverages Esri Software Stack– ArcGIS Enterprise– ArcGIS JavaScript API (4.x)
SQL Server Back-end
.NET Core Framework
Angular Front End
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CT Roadway Safety Management System 6 Modules from RSMP Plus
Data Admin Module
Sub-modules
Interactive Mapping
Charting/Visualization Tools
Automated Reporting Engine
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Network Screening Module
Source: HSM, 2010
1. Establish Focus
2. Identify Network and Establish Reference Populations
3. Select Performance Measures
4. Select Screening Method
5. Screen and Evaluate Results
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Diagnosis Module
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Countermeasure Selection (in-progress)
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Countermeasure Selection (in-progress)
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Countermeasure Selection (in-progress)
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Network Screening
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Network Screening Results
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Diagnosis Module
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Automated Reporting Engine
Sample Report
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Offices located throughout the east coast
Question & Answer
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Offices located throughout the east coast
Thank you
Eric Jackson Ph.D. | [email protected] |860-486-8426
Dale Abbott, GISP | [email protected] | 603.391.3964
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Network Screening Module
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Network Screening Module
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Network Screening Engine
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Network Screening Engine
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Network Screening Engine
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Network Screening Engine
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Network Screening Engine
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Network Screening Engine
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Network Screening Engine
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Diagnosis Module
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Diagnosis Module
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Diagnosis Module
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Diagnosis Module
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Diagnosis Module
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Diagnosis Module
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Diagnosis Module
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Diagnosis Module
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Diagnosis Module
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Parcel Mapping Experience
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Diagnosis Module
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Eric Jackson Ph.D. | [email protected] |860-486-8426
Dale Abbott, GISP | [email protected] | 603.391.3964
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Offices located throughout the east coast