ARSENAL STREET CORRIDOR STUDY PREPARED FOR Office of Transportation Planning 10 Park Plaza Boston, MA PREPARED BY 101 Walnut Street PO Box 9151 Watertown, MA 02471 617.924.1770 June 2017 Acknowledgements The preparation of this report has been financed in part through MassDOT's Statewide Planning and Research (SPR) Program agreement with the Federal Highway Administration of the United States Department of Transportation. The views and opinions of the authors and agencies expressed herein do not necessarily state or reflect those of the United States Department of Transportation. Table of Contents List of Tables ................................................................................................................................................................... iv List of Figures ................................................................................................................................................................... vi Executive Summary .......................................................................................................................................................... ix Study Process and Framework ........................................................................................................................................ 1 Introduction ................................................................................................................................................................................................. 1 Study Process and Background ........................................................................................................................................................... 2 Study Area .................................................................................................................................................................................................... 3 Study Goals, Objectives, and Evaluation Criteria .......................................................................................................................... 5 Public Health .......................................................................................................................................................................................... 8 Public Involvement Plan....................................................................................................................................................................... 11 Existing Conditions ......................................................................................................................................................... 13 Land Use .................................................................................................................................................................................................... 13 Socio-Economics .................................................................................................................................................................................... 15 Demographic Indicators ................................................................................................................................................................. 15 Housing Indicators ........................................................................................................................................................................... 16 Employment Indicators ................................................................................................................................................................... 16 Journey-to-Work and Mode Share ................................................................................................................................................. 17 Journey-to-Work ............................................................................................................................................................................... 17 Mode Share ......................................................................................................................................................................................... 19 Transit Services ........................................................................................................................................................................................ 21 Study Area Bus Stops ...................................................................................................................................................................... 24 Operations ........................................................................................................................................................................................... 27 Vehicular Traffic Evaluation ................................................................................................................................................................ 36 Existing Infrastructure Review ...................................................................................................................................................... 36 Traffic Demands ................................................................................................................................................................................. 41 Traffic Operations ............................................................................................................................................................................. 44 Bicycle and Pedestrian Assessment ................................................................................................................................................. 57 Bicycle Accommodations ............................................................................................................................................................... 57 Pedestrian Accommodations ....................................................................................................................................................... 59 Bicycle and Pedestrian Demands ................................................................................................................................................ 62 i Table of Contents Safety ........................................................................................................................................................................................................... 62 MassDOT 2013 Top Crash Locations Report ......................................................................................................................... 69 Highway Safety Improvement Program (HSIP) ..................................................................................................................... 69 Environmental and Social Justice ..................................................................................................................................................... 70 Natural Resources ............................................................................................................................................................................. 70 Environmental Justice ...................................................................................................................................................................... 76 Historic and Cultural Resources .................................................................................................................................................. 78 Oil and Hazardous Materials ........................................................................................................................................................ 80 Regulatory Significance .................................................................................................................................................................. 80 Public Health Assessment ................................................................................................................................................................... 87 Baseline Public Health Profile ....................................................................................................................................................... 87 Built Environment and Public Health ........................................................................................................................................ 89 Public Health Implications of the Study Area Existing Built Environments ............................................................... 91 Future Conditions, Issues and Opportunities ............................................................................................................ 96 Travel Demand Forecasts .................................................................................................................................................................... 96 Resulting Forecasts ........................................................................................................................................................................... 97 Future Transit Conditions .................................................................................................................................................................... 99 Planned Services ...............................................................................................................................................................................