TDOT’s Approach to Changing Safety Analysis Bruce Aquila, Hexagon Safety & Infrastructure Executive Consultant Tuesday, August 8, 2017
Introduction Background Business Drivers Solutions Benefits HSIP E-TRIMS Image Viewer Straight Line Diagrams Benefits Going Forward
Background
Background TDOT and Hexagon are Valued Partners Solutions TRIMS (1996) HSIP (2006) E-TRIMS (2008) Image Viewer (2014) SLD (2015) LRS/Geospatial Platform MGE (1993) GeoMedia (1999)
Background Process Crashes Collected by Public Safety TDOT Validates Location on Network Crashes imported into TRIMS
Business Drivers - Federal All Roads Across the State Reduce the Number/Severity of Crashes Reduce Types of Crashes (lane-departure, intersection, pedestrian, etc.)
Business Drivers - TDOT Accurate/Reliable Strategic Highway Safety Plan Flexibility as Priorities Change Leverage all Crash Attributes Timely Comparison of Locations (State Averages, Critical Rates) Utilize Existing Systems to Expedite Analysis
Cause and Effect
Zero Fatalities !!!
Analytical Tools
One Tool Set
One Tool Set HSIP application ETRIMS ImageViewer Identifies Areas for Potential Safety Projects ETRIMS Views all attributes for All TN Roadways ImageViewer Photo log Identifies Active Transportation Projects in the Area Provides Real-Time Crash Data as you Drive Synchronized Maps (Including TDOT Aerial)
HSIP Application Data Driven Creates Manageable List of Locations Urban or Rural Spot, Section or Intersection All Roads in TN
Enhanced TN Roadway Information Management System (ETRIMS) Inventory Data Route Features, Traffic, Geometrics, Roadway Description Reports Crash Summary Reports Route Feature Reports Traffic Reports Simple and Advanced Queries
ImageViewer
SLD Browser Based Secured Access Administrative Environment Modern Architecture (.html5) Simplistic Configuration Elegant Interface Hearty Map Assimilation Printing Capabilities
Benefits Improved Quality of Crash and Road Data Map Visualization of Contributing Factors Leverages Multiple Systems for Analysis Quicker Identification of Project Areas Faster Prioritization of Projects More Accurate Decision Support Timeliness of Safety Improvement Program Safer Highways
Going Forward
Holistic Approach
Data Foundation and Establishment Establish a Safety Data Model Extract, Translate and Load Source Data Assimilate into Safety Database Normalize Data for Maintenance Application Administration
Crash Editing Map Display Editing Workflow User Management Location Attributes Workflow User Management
Crash Diagramming Overview Map Intersection Description (T, Y, etc.) Location Diagram and Map Crash Count Statistics
Analysis Hotspot Sliding Scale Intersection/Section Map Component Benefit-Cost
Reporting Crash Reports HSIP Report Creation Ad-Hoc Reports Schedule Mechanism ..
Questions ????
Thank You Bruce Aquila Executive Transportation Consultant Hexagon Safety & Infrastructure Bruce.aquila@hexagonsi.com