SmartMap Intelligent Crash Location Tool AASHTO GIS-T San Diego March 1999 Reg Souleyrette Dan...
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Transcript of SmartMap Intelligent Crash Location Tool AASHTO GIS-T San Diego March 1999 Reg Souleyrette Dan...
SmartMapIntelligent Crash Location Tool
AASHTO GIS-T
San Diego
March 1999
Reg Souleyrette
Dan Gieseman
Center for Transportation Research and Education
Iowa State University
PC-ALAS
Crash Data Analysis in Iowa
DOS-Based Software
Link / Node System
Location / Vehicle / People
Crash Data Collected for All Roads
Officer Description of Crash
DOT Entry of Crash DataConvert Location Information to Link / Node
Paper Node Maps
High Potential for Error
Cumbersome / Obsolete
Crash Data Collection In Iowa
Paper Crash Report
Location Described by Literal Description
Complex Coding Scheme
GIS-ALAS
Advantage SafetyElectronic data collection forms
Electronic submission
Data validation
Recent Developments
Arcview 3.0
Link / Node converted to spatial location
Functionality of PC-ALAS coupled with GIS
Advantage SafetyLocation
Tool
Central Database
Courts Iowa DOT Other Agencies
The Vision for Safety Data Collection
Project Methodology
Refine Product
Deploy Application
Select Software to Fulfill Requirements
Development of the Crash Location Tool
Ascertain User Requirements
Design Initial Interface / Functionality
Obtain Feedback from Users
User Requirements
Find Locations using GPS
Find Locations using Street Name
Find Locations by Milepost / Route
Provide Feedback to Officer
The Crash Location Tool
Easy to Use
Improve Accuracy and Efficiency of Current Scheme
Compatible with Advantage Safety
Free to Distribute / Open Source
Software SelectedESRI MapObjects
Microsoft Visual Basic
Arcview Shape Cartography Data from Oracle
Distributed as a DLL
Initial Interface DesignAnswered many questions
Established capabilities and limitations of software
Provided a baseline
Refinement of the Location ToolFurther Simplified GUI
Enhanced underlying intelligence
Provided additional tools
Added additional map layers
Coordinate Finder Milepost Finder County Finder
Location Finding Tools
City Finder Intersection Finder
Milepost Marker
Nevada Corporate Limits
Fictitious Crash Location
Typical Methodology for Crash LocationStep 1 - Zoom In to Scene