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Innovative Intersection Safety Improvement Strategies and Management Practices: A Domestic Scan

Federal Highway Administration

January 2005

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Table of Contents

[ Cover ] [ Notice ] [ Quality Assurance Statement ]
[ Technical Report Documentation Page ] [ List of Figures and Tables ]  

EXECUTIVE SUMMARY

Background
Domestic Intersection Safety Scan Study Goals and Objectives
Study Scope
Intersection Safety Management
Intersection and Safety Data
Intersection Safety Research
Traffic Control Devices at Intersections
Traffic Operations at Intersections
Intersection Geometric Design
Intersection Safety-Oriented Enforcement and Education
Disclaimer

CHAPTER 1. INTRODUCTION

Background
Study Goals and Objectives
Study Scope
Scan Team
Organization of Report

CHAPTER 2. SAFETY MANAGEMENT AND COMPREHENSIVE SAFETY PROCESSES

An Uncompromising Commitment to Safety
Performance Based Safety Systems
Timely and Accurate Crash Data
Distributed Responsibility for Crash Data Entry
Web-Based Safety Data Systems
Spatial Analysis Systems and Analytical Tools
Interagency and Intra-Agency Cooperation
Public-Private Partnerships

CHAPTER 3. TRAFFIC CONTROL DEVICES FOR MOTORISTS

Traffic Signals
Traffic Signs
Pavement Markings
In-Pavement Lighting System

CHAPTER 4. TRAFFIC CONTROL DEVICES AND OTHER DEVICES FOR PEDESTRIANS AND BICYCLISTS

Pedestrian and Bicycle Crosswalks
Traffic Signals and Signs Related to Pedestrian and Bicycle Crossings
Pedestrian Push Buttons, Signal Heads and Other Devices
Automated Detection of Pedestrians Automated Detection of Bicycles

CHAPTER 5. TRAFFIC OPERATIONAL PRACTICES

Dallas Left-Turn Display for Left-Turn Lead-Lag Signal Phasing
Flashing Yellow Arrow Displays
Controlling when the Yellow Interval is Displayed
Delayed Onset of Pedestrian Walk Interval
Modified Pedestrian Intervals
Responsive Audible Pedestrian Signals
Activated Extension of Pedestrian Clearance Interval
Variable Red Clearance Interval
Activated Extension of Red Clearance Interval
Traffic Signal Coordination Treatments

CHAPTER 6. GEOMETRIC DESIGN TREATMENTS

Michigan Indirect Left Turns Junction
Intersection Bulb-Out
Road Diets (Conversions of Four-lane Undivided to Three-Lane Cross-Sections)
Median Treatments
Michigan "Loons"
Roundabouts
Mini-Roundabouts
Speed Humps and Speed Tables
Non-Traditional Intersection Geometric Treatments

CHAPTER 7. ENFORCEMENT PRACTICES AND EDUCATIONAL PROGRAMS

Enforcement Practices
Educational Programs

CHAPTER 8. CONCLUSIONS

Intersection Safety Management
Intersection and Safety Data
Intersection and Safety Research
Traffic Control Devices at Intersections
Traffic Operations at Intersections
Intersection Geometric Design
Intersection Safety-Oriented Enforcement and Education
Summary
Disclaimer

REFERENCES

APPENDIX A: Team Members

APPENDIX B: Host Contacts

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