¡¡¡TTThhheee GGGooo¡¡¡lllTTTdddhhheeeeee nnnGGGooolNlNlNdddeeenenene cNcNcNekekekccclklklkalalalaaacccceeeeee AAA MMMuuullltttiii---UUUssseee TTTrrraaaiiilll SSSyyysssttteeemmm Graduate Capstone Studio i Urban and Regional Planning Urban & Regional Planning ♦ Cal Poly Pomona 2008 Capstone Graduate Planning Studio California State Polytechnic University, Pomona ¡¡¡TTThhheee GGGooollldddeeennn NNNeeeccckkklllaaaccceee Table of Contents EXECUTIVE SUMMARY............................................................................................................................ 1 PART I: EXISTING CONDITIONS............................................................................................................ 4 NORTH LOS ANGELES RIVER ................................................................................................................... 4 History................................................................................................................................................. 4 1700 ................................................................................................................................................................. 4 1800 ................................................................................................................................................................. 5 A History of Floods...................................................................................................................................... 6 1900 - Modernization & Channelization .................................................................................................. 6 21st Century Greening of the LA River.................................................................................................... 8 Existing Site Conditions................................................................................................................. 9 Topography ................................................................................................................................................. 14 Demographics............................................................................................................................................. 14 Existing Planning Activities ........................................................................................................ 15 Taylor Yard................................................................................................................................................... 16 The Los Angeles River Master Plan ...................................................................................................... 18 The Los Angeles River Revitalization Master Plan............................................................................ 19 Los Angeles River Improvement Overlay District.............................................................................. 20 Recommended Next Steps .......................................................................................................... 21 SOUTH LOS ANGELES RIVER.................................................................................................................. 23 History............................................................................................................................................... 23 Existing Site Conditions............................................................................................................... 25 Zoning ........................................................................................................................................................... 28 Urban Design............................................................................................................................................... 29 Topography ................................................................................................................................................. 30 Demography ................................................................................................................................................ 32 Existing Planning Activities ........................................................................................................ 33 Regional Leadership ................................................................................................................................. 34 Recommended Next Steps .......................................................................................................... 35 NORTH SAN GABRIEL RIVER .................................................................................................................. 37 History............................................................................................................................................... 37 Existing Site Conditions............................................................................................................... 40 Zoning ........................................................................................................................................................... 40 Topography and Geography ................................................................................................................... 41 Flora and Fauna.......................................................................................................................................... 43 Current Destination Points ...................................................................................................................... 44 Demographics............................................................................................................................................. 46 Existing Planning Activities ........................................................................................................ 46 San Gabriel River Corridor Master Plan: Los Angeles Department of Public Works ............... 46 San Gabriel River Campaign: Angeles Chapter of the Sierra Club ............................................... 47 San Gabriel River Discovery Center Authority ................................................................................... 47 Recommended Next Steps .......................................................................................................... 51 SOUTH SAN GABRIEL RIVER .................................................................................................................. 52 History............................................................................................................................................... 52 Existing Site Conditions............................................................................................................... 54 Graduate Capstone Studio i Urban & Regional Planning ♦ Cal Poly Pomona ¡¡¡TTThhheee GGGooollldddeeennn NNNeeeccckkklllaaaccceee Topography ................................................................................................................................................. 54 Points of Interest........................................................................................................................................ 54 Trail Conditions............................................................................................................................................. 57 Existing Planning Activities ........................................................................................................ 60 Recommended Next Steps .......................................................................................................... 68 EXTENDED HORSESHOE ......................................................................................................................... 70 History............................................................................................................................................... 70 San Gabriel Valley...................................................................................................................................... 70 Trails in the Region.................................................................................................................................... 70 Existing Site Conditions............................................................................................................... 71 Demographics............................................................................................................................................... 72 Political Justification and Support .............................................................................................................. 73 Existing Planning Activities ........................................................................................................ 76 Recommended Next Steps .......................................................................................................... 78 Possible Alignments ................................................................................................................................. 79 Urban Nodes................................................................................................................................................ 85 PART II: COMMUNITY OUTREACH ..................................................................................................... 86 COMMUNITY CHARRETTE.......................................................................................................................