Floating Carsharing in Oakland California
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AN EVALUATION OF FREE- FLOATING CARSHARING IN OAKLAND CALIFORNIA ELLIOT MARTIN, PH.D. ALEXANDRA PAN SUSAN SHAHEEN, PH.D. UC BERKELEY TRANSPORTATION SUSTIANABILITY RESEARCH CENTER FINAL REPORT NOVEMBER 2019 Contents Acknowledgments ........................................................................................................................................ 6 Executive Summary ...................................................................................................................................... 7 Introduction ................................................................................................................................................ 11 Shared Mobility Programs and Outreach in Low-Income Communities: Overview of Barriers to Usage and U.S.-Based Programs ........................................................................................................................... 12 Barriers to Shared Mobility for Low-Income Communities .................................................................. 13 Spatial Barriers ................................................................................................................................... 13 Financial Barriers ................................................................................................................................ 14 Cultural Barriers ................................................................................................................................. 15 Operator-Specific Barriers .................................................................................................................. 16 Catalogue of U.S.-Based Programs and Outreach ................................................................................. 17 Summary of Insights from Previous Work ............................................................................................. 25 Methodological Overview .......................................................................................................................... 27 Survey Analysis Results .............................................................................................................................. 31 Demographics ......................................................................................................................................... 31 Adoption of GIG ...................................................................................................................................... 33 Recent Trip Characteristics ..................................................................................................................... 35 Day of week of most recent trip ......................................................................................................... 35 Monthly average mileage ................................................................................................................... 36 Trip Occupancy .................................................................................................................................... 37 Reason for selecting GIG ..................................................................................................................... 42 Impact of GIG Car Share on Travel Behavior .......................................................................................... 43 Impact of GIG Car Share on Vehicle Ownership ................................................................................. 43 Impact of GIG Car Share on Miles Driven for Survey Respondents .................................................... 49 Impact of GIG Car Share on Total VMT Driven in Oakland ................................................................. 50 Impact of GIG Car Share on Other Modes .......................................................................................... 54 Summary and Discussion ........................................................................................................................... 58 References .................................................................................................................................................. 60 Table of Figures Figure 1: Mode shift as a result of GIG ........................................................................................................ 9 Figure 2: Use of Public Transit and GIG Carsharing Together ................................................................... 10 Figure 3: HomeZone Growth of GIG .......................................................................................................... 28 Figure 4: Question Structure Evaluating Vehicles Shed ............................................................................ 29 Figure 5: Question Structure Evaluating Vehicles Suppressed ................................................................. 30 Figure 6: How pre-survey respondents heard about GIG ......................................................................... 34 Figure 7: Reasons why people joined GIG Car Share ................................................................................ 34 Figure 8: Outreach Events attended by Pre-survey respondents ............................................................. 35 Figure 9: Day of the week of most recent trip taken ................................................................................ 36 Figure 10: Monthly mileage estimates ...................................................................................................... 37 Figure 11: Number of travelers in most recent trip .................................................................................. 37 Figure 12: Purpose of most recent trip ...................................................................................................... 39 Figure 13: Miles driven on most recent trip .............................................................................................. 40 Figure 14: Most recent rental trip duration .............................................................................................. 41 Figure 15: Time of day when most recent trip was started ...................................................................... 42 Figure 16: Reasons for selecting GIG Car Share......................................................................................... 43 Figure 17: Current vehicle holdings of GIG survey respondents .............................................................. 44 Figure 18: Vehicles Shed Due to GIG Car Share ......................................................................................... 45 Figure 19: Vehicle Acquisition Plans before GIG Car Share ...................................................................... 47 Figure 20: Vehicle Purchase Plans within the Next 2 Years ...................................................................... 47 Figure 21: Vehicle holdings of respondents who suppressed vehicle purchase ...................................... 48 Figure 22: Contribution of Other Modes to Suppressing Need to Acquire Vehicle ................................. 49 Figure 23: Decrease in miles driven on personal vehicle(s) after joining GIG .......................................... 50 Figure 24: Frequency of use of other modes ............................................................................................. 55 Figure 25: Usage shift in modes as a result of GIG Car Share ................................................................... 56 Figure 26: Number of fewer trips taken on other modes due to GIG Car Share...................................... 56 Figure 27: Modes used in combination with GIG Car Share ..................................................................... 57 Figure 28: Impact of trips combining public transportation and GIG on usage of personal vehicles ..... 57 Table of Tables Table 1: Demographic Distributions ............................................................................................................ 8 Table 2: Shared Mobility Systems Programs Engaged in Low Income Outreach (1) ............................... 18 Table 3: Shared Mobility Systems Programs Engaged in Low Income Outreach (2) ............................... 19 Table 4: Shared Mobility Systems Programs Engaged in Low Income Outreach (3) ............................... 20 Table 5: Shared Mobility Systems Programs Engaged in Low Income Outreach (4) ............................... 21 Table 6: Shared Mobility Systems Programs Engaged in Low Income Outreach (5) ............................... 22 Table 7: Shared Mobility Systems Programs Engaged in Low Income Outreach (6) ............................... 23 Table 8: Shared Mobility Systems Programs Engaged in Low Income Outreach (7) ............................... 24 Table 9: Shared Mobility Systems Programs Engaged in Low Income Outreach (8) ............................... 25 Table 10: Demographic Distributions of Gender, Age, and Education ..................................................... 31 Table 11: Demographic Distributions of Income and Race/Ethnicity ...................................................... 33 Table 12: Estimated Miles Driven on Suppressed Vehicles ...................................................................... 51 Table 13: Estimated Miles Driven on Shed Vehicles ................................................................................. 52 Table 14: Summary of Estimated VMT Impacts under Baseline Assumptions .......................................