Bike Safety Assessment of the Clifton Corridor 公开

Abstract

This bike safety assessment was designed to determine specific locations and types of accidents and near misses to inform local transportation and health planning along the Clifton Corridor. The CC is one of the largest employment hubs in Atlanta which include; Emory University, Emory Healthcare, the Centers for Disease Control and Prevention (CDC), the Veterans Administration Medical Center & Regional Offices, and the DeKalb Medical Center. Using a convenience sample of Emory employees and students a survey was administered to over 22,790 people to collect information on attitudes toward bicycling, learn more about cyclists' and potential cyclists' commuting patterns, behaviors, and collect information about bicycle related accidents. There were 1,876 respondents (8%) that completed the survey from April 30, 2012 to May 24^th, 2012. The results highlighted how the high volumes of bicycle and motor vehicles traveling through the CC, correlated to 254 incidences and 52 crashes or almost accidents in a twelve month period from April 2011- April 2012. Among the key recommendations for reducing the number and severity of bicyclist injuries and fatalities include creating dedicated bicycle lanes, off street bicycle networks, strategies increasing the visibility of cyclists on the roads, and implementing CC speed reduction. The collected data can provide safety indices to allow engineers, planners, and other practitioners to proactively prioritize roadway and intersection improvements with respect to bicycle safety.

Table of Contents

TABLE OF CONTENTS

Chapter 1: Introduction 1

Background 1

Purpose 4

Definition of Terms 4

Summary 6

Chapter 2: Review of the Literature 8

Introduction 8

Public Health Burden 8

Public Health Benefits 11

Physical Environment Correlates of Physical Activity 12

Social Dynamics and Community Health 14

Summary 20

Chapter 3: Methodology 21

Introduction 21

Clifton Corridor Background 21

Social and Political Environment 25

Data Collection 29

Sample Selection 29

Data Analysis 32

Recruitment 32

Instrument 32

Summary 33

Chapter 4: Results 34

Introduction 34

Research Questions 34

Findings 34

Summary 42

Chapter 5: Implications and Conclusions 43

Introduction 43

Implications for Practice 43

Implications for Public Health 49

Limitations 49

Delimitations 50

Conclusions 51

References 53

APPENDICES

Appendix A: Bike Emory Survey 56

LIST OF TABLES

Table 1. Traffic and Bicycle Fatalities in GA between 2004 and 2010 2

Table 2. Top Ten Most Bicyclist Traffic Fatalities and Fatality Rates by State, 2010 2

Table 3 . Total US Fatalities and Bicyclist Fatalities in Traffic Crashes, 2001-2010 11

Table 4. Bicycle Planning 15

Table 5. Clifton Corridor Off Street Bicycle Facilities 19

Table 6. The Number of People that use a Bicycle to Commute to Work or Class 33

Table 7. The Number of People that use a Bicycle for Primary or Secondary 33 Transportation

Table 8. Accidents or Near-misses Occurring in the Past Year 35

Table 9. Location and Number of Accidents Occurring in the CC 36

Table 10. Roadway Prioritization for Facilities in the CC 37

Table 11. Satisfaction with Bicycle Parking 38

Table 12. Do Sharrows on Clifton Road Impact Biking Experiences 38

Table 13. What are the Discouragements to Include Bicycling in the CC 39

Table 14. Reasons for no longer Biking in the CC 39

Table 15. Reasons why People Bicycle in the CC 40

Table 16. Safe or Unsafe Behaviors of Bicyclist in the CC 40

Table 17. Lane Positions Bicyclist take in the CC 41

Table 18. Top Four Arteries in the CC that Bicycle Incidents Occur 44

LIST OF FIGURES

Figure 1. Clifton Corridor Map 5

Figure 2. Obesity Trends Among U.S Adults 9

Figure 3.Caltrans Bikeway Classification 13

Figure 4. Clifton Road Sharrow 17

Figure 5. Clifton Corridor Bicycle Network 18

Figure 6. CC Network and Roadways 22

Figure 7. CC Roadway Characteristics 24

Figure 8. Existing Land Use CC 26

Figure 9. CC Future Land Use Map 31

Figure 10. Clifton Corridor Main Road Arteries 45

Figure 11. Clifton Rd. (N. Decatur Rd to Briarcliff Rd.) 46

Figure 12. N. Decatur Rd. (Clifton Rd. to Clairmont Rd.) 47

Figure 13. Clairmont Rd. (N. Decatur Rd. to N. Druid Hills Rd.) 48

Figure 14. N. Decatur Rd. (Briarcliff Rd. to Clifton Rd.) 49

About this Master's Thesis

Rights statement

• Permission granted by the author to include this thesis or dissertation in this repository. All rights reserved by the author. Please contact the author for information regarding the reproduction and use of this thesis or dissertation.

School	Rollins School of Public Health
Department	Career Masters of Public Health
Degree	MPH
Submission	Master's Thesis
Language	English
Research Field	Health Sciences, Public Health
关键词	Atlanta Bicycle Safety
Committee Chair / Thesis Advisor	Baldwin, Grant T., Emory University
Committee Members	Alperin, Melissa, Emory University
Partnering Agencies	Does not apply (no collaborating organization)

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