Transportation Technical Report
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Lake Oswego to Portland Transit Project Transportation Technical Report November, 2010 TriMet and Metro Prepared by John Cullerton and David Zagel, URS Scott Harmon, DEA Matt Bihn and Tony Mendoza, Metro The preparation of this report was financed in part by the U.S. Department of Transportation, Federal Transit Administration. The opinions, findings and conclusions expressed in this report are not necessarily those of the U.S. Department of Transportation, Federal Transit Administration. TABLE OF CONTENTS 1. INTRODUCTION ............................................................................................................................ 1 1.1 Project Background ................................................................................................................... 1 1.2 Purpose and Need ..................................................................................................................... 1 1.3 Alternatives/Options Considered .............................................................................................. 2 1.3.1 Alternatives Analysis ....................................................................................................... 2 1.3.2 Scoping/Project Refinement Study .................................................................................. 3 1.4 Description of Alternatives Analyzed in this Technical Report and the DEIS ......................... 4 1.4.1 No-Build Alternative ....................................................................................................... 4 1.4.1.1 Capital Improvements ............................................................................................. 4 1.4.1.2 Transit Operations ................................................................................................. 10 1.4.2 Enhanced Bus Alternative .............................................................................................. 11 1.4.2.1 Capital Improvements ........................................................................................... 11 1.4.2.2 Transit Operations ................................................................................................. 12 1.4.3 Streetcar Alternative .................................................................................................. 14 1.4.3.1 Capital Improvements ........................................................................................... 14 1.4.3.2 Transit Operations ................................................................................................. 24 1.4.3.3 Construction Phasing Options............................................................................... 24 2. PUBLIC TRANSPORTATION...................................................................................................... 27 2.1 Public Transportation Affected Environment ......................................................................... 27 2.1.1 Transit Lines, Operations and Facilities ........................................................................ 27 2.1.2 Current Ridership, Operating Revenue, and Operating Expenses ................................. 28 2.2 Travel Behavior ...................................................................................................................... 28 2.3 Transit Impacts ........................................................................................................................ 29 2.3.1 Amount of Service ......................................................................................................... 29 2.3.2 Service Growth .............................................................................................................. 34 2.3.3 Travel Time .................................................................................................................... 34 2.3.4 Reliability ....................................................................................................................... 34 2.3.5 Transit Ridership ............................................................................................................ 36 3. TRAFFIC, FREIGHT AND PARKING ......................................................................................... 42 3.1 Methods................................................................................................................................... 42 3.1.1 Related Laws and Regulations ....................................................................................... 42 3.1.2 Data Collection .............................................................................................................. 43 3.1.3 Impact Assessment Analysis Methods ........................................................................... 45 3.1.4 Study Periods ................................................................................................................. 45 3.1.5 Travel Demand Forecasting Overview .......................................................................... 45 3.1.6 Modeling Tools .............................................................................................................. 46 3.1.7 Base Year and Forecasted Volumes .............................................................................. 47 3.1.8 Motor Vehicle Operations Definitions and Methods ..................................................... 53 3.2 Affected Environment ............................................................................................................. 67 3.2.1 Motor Vehicle Operations .............................................................................................. 68 3.2.2 Freight Facilities and Activities ..................................................................................... 69 3.2.3 Parking ........................................................................................................................... 70 3.3 Effects on the Regional, Corridor and Local Roadways ......................................................... 71 3.3.1 System-Wide Effects ..................................................................................................... 71 3.3.2 Corridor and Local Roadways ....................................................................................... 72 3.4 Effects on Freight Movement ................................................................................................. 76 November 2010 Lake Oswego to Portland Transit Project i Transportation Technical Report 3.5 Parking .................................................................................................................................... 78 4. Bicycle and Pedestrian Facilities .................................................................................................... 80 4.1 Affected Environment - Bicycle ............................................................................................. 80 4.2 Affected Environment - Pedestrian ......................................................................................... 80 4.3 Effects on Bicycle and Pedestrian Facilities ........................................................................... 81 5. Cumulative and Indirect Impacts .................................................................................................... 86 Appendices (Available upon request) Appendix 2A District to District Tables Appendix 2B Transit Line Spreadsheet Appendix 2C Park-and-Ride Shed Map Appendix 2D Individual Transit Line Maps Appendix 3A Forecast Year Turning Movement Volume Maps Appendix 3B Intersection Operations Maps Technical Materials (Available upon request): Data Collection (Traffic Counts) Signal Timing Plans Operational Results (Synchro Analysis Tables) Signal Warrants Volume Calculations List of Tables Table 1-1 Transit Capital Improvements for the No-Build, Enhanced Bus, and Streetcar Alternatives (2035) .................................................................................................................................................... 6 Table 1-2 Transit Operating Characteristics of No-Build, Enhanced Bus, and Streetcar Alternatives (2035) .................................................................................................................................................... 7 Table 2.1-1 Number and Length of ..................................................................................................... 28 Existing TriMet Fixed Route Transit Lines ........................................................................................ 28 Table 2.3-1 Average Weekday Corridor1 Transit Service Characteristics, Year 2035 ...................... 30 Table 2.3-2 Transit and Auto Average Weekday P.M. Peak Hour Travel Times to Lake Oswego ... 35 from Selected Locations (in minutes, year 2035) ............................................................................... 35 Table 2.3-3 Measures of Transit Reliability in the Corridor, Year 20351, 2 ........................................ 35 Table 2.3-4 Average Weekday Boarding Rides and Peak Loads for Corridor Transit Routes1,2, Year 2035..................................................................................................................................................... 38 Table 2.3-5 Average Weekday Total Systemwide and Corridor Transit Ridership1, Year 2035 ....... 39 Table 2.3-6 Average Weekday Work and Non-Work Transit Trips and Transit Mode Share Between the Corridor and Portland CBD, Year 2035 .......................................................................................