Transforming Alleys Into Green Infrastructure for Los Angeles
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June 2008 Transforming Alleys into Green Infrastructure for Los Angeles Arly Cassidy Josh Newell Jennifer Wolch © 2008 by the Center for Sustainable Cities University of Southern California 3620 S. Vermont Avenue Los Angeles, CA 90089‐0255 www.usc.edu/sustainablecities Acknowledgements We gratefully acknowledge financial support from the John Randolph Haynes and Dora Haynes Foundation. We would also like to express our gratitude to Kim Reynolds, Travis Longcore, Joseph Devinny, Hilary Bradbury, Mona Seymour, Jennifer Mapes, Zaria Tatalovic, Greg Elwood, Mia Costa, Rachel Bramwell, Ari Briski, Michael Schreiber, and Ross Stephenson as well as our community partners TreePeople, Trust for Public Land, Pacoima Beautiful, and the Los Angeles Neighborhood Land Trust. Preferred Citation: Cassidy, A., Newell, J., and J. Wolch. 2008. Transforming Alleys into Green Infrastructure for Los Angeles. Los Angeles, CA: USC Center for Sustainable Cities. About the Center for Sustainable Cities The USC Center for Sustainable Cities (CSC) fosters research, education, and partnerships to address the sustainability challenges facing metropolitan regions, and generates innovative solutions that enhance the natural environment, economic vitality, and social equity of cities worldwide. CSC regularly partners with community‐based nonprofit organizations, as well as USC’s Institute for Prevention Research, on projects that highlight the role of parks and open‐space and recreation in increasing physical activity and improving public health, particularly in park‐poor neighborhoods. In 2007, CSC conducted an exhaustive study of the physical characteristics and usage patterns of more than 300 alleys across the city of Los Angeles. CONTENTS Contents ..................................................................................................................................................... 2 List of Figures ............................................................................................................................................... v List of Tables ............................................................................................................................................... vi Executive Summary ................................................................................................................................... vii Report Structure ......................................................................................................................................... ix Useful Terms ................................................................................................................................................ x I. Introduction ................................................................................................................................... 1 II. Alleys In the City of Los Angeles ................................................................................................ 5 Alley Use ..................................................................................................................................................... 7 Primary Users ............................................................................................................................................. 9 Challenges to Greening Alleys .................................................................................................................. 12 III. Case Studies: Programs in other Cities .................................................................................... 13 Chicago ..................................................................................................................................................... 14 How the Program was Developed ........................................................................................................ 14 Challenges ............................................................................................................................................ 16 Results and Future Directions............................................................................................................... 16 Seattle ....................................................................................................................................................... 17 How the Program was Developed ........................................................................................................ 17 Challenges ............................................................................................................................................ 18 Results & Future Directions .................................................................................................................. 19 Baltimore .................................................................................................................................................. 21 How the Ordinance was Developed ..................................................................................................... 21 Challenges ............................................................................................................................................ 24 Results & Future Directions .................................................................................................................. 24 Vancouver ................................................................................................................................................. 25 How the Program was Developed ........................................................................................................ 25 Challenges ............................................................................................................................................ 27 Results & Future Directions .................................................................................................................. 27 IV. Creating a Green Alley Program in Los Angeles....................................................................... 28 Establishing a Process ........................................................................................................................... 28 Measuring Results ................................................................................................................................ 28 Funding & Maintenance ....................................................................................................................... 29 Alley Redesign ...................................................................................................................................... 29 Policy Reform............................................................................................................................................ 30 Immediate Steps ................................................................................................................................... 30 Short‐Term Steps (1 to 3 years) ............................................................................................................ 30 Long‐Term Steps (3 to 6 years) ............................................................................................................. 32 A Pilot Project: The Wilmington Green Alley ............................................................................................ 34 V. Appendixes .............................................................................................................................. 36 Appendix A: How to Lead an Alley Revitalization Event ........................................................................... 36 Project Readiness Checklist .................................................................................................................. 36 Steps to a Successful Project ................................................................................................................ 37 Timeline ................................................................................................................................................ 39 Important Contacts............................................................................................................................... 42 Appendix B: Baltimore’s Gating and Greening Process ............................................................................ 46 Appendix C: Focus Group Summaries ...................................................................................................... 47 Pacoima ................................................................................................................................................ 47 Sun Valley ............................................................................................................................................. 47 South Los Angeles ................................................................................................................................. 47 Hollywood ............................................................................................................................................. 48 Wilmington ........................................................................................................................................... 48 Appendix D: Basic Contacts and Resources .............................................................................................. 50 Los Angeles ..........................................................................................................................................