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Q UANTIFYING P ARK & R IDE D EMAND U SING LEHD OD D ATA AND C ASE S TUDY A NALYSIS J ONATHAN B ROOKS A SSOCIATE T RANSPORTATION R ESEARCHER T RANSIT M OBILITY P ROGRAM T EXAS A&M T RANSPORTATION I NSTITUTE T HE T EXAS A&M U NIVERSITY S YSTEM GIS IN T RANSIT C ONFERENCE 2013 O CTOBER 17, 2013

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The Question 2 New ? FBC Park & Ride Houston CBD

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Park & Ride Market-Sheds Limited by distance Facilities close together may reduce each others ridership generation Rider willingness to backtrack limited Market-shed most often parabolic shape 50% of riders typically live within 2.5 miles 3

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4 Source: Final Report, New York City Park & Ride Study, January 2012

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Source: Park-and-Ride Planning and Design Guidelines, Spillar (1997) 5

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Demand Estimation Model Simplified Steps Identify case study sites, obtain ridership data Obtain OD worker flow volumes from LEHD Calculate mode capture rates Apply capture rates to potential new sites 6

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Houston Metro P&Rs: Spring Kingwood Townsen Bay Area Grand Parkway Kingsland Cypress Northwest Station FBC Transit P&Rs: AMC Movie Theater University of Houston 5 miles 10 miles 20 miles 27 mi 28 mi 21 mi 20 mi 27 mi 25 mi 24 mi 22 mi 24 mi 7 CBD Location of Case Study Facilities

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Observations about METRO Sites 2.5 mi radius circle covered about 37% of riders (2009 & 2012 license plate data) Parabola can describe general distribution Findings generally coincided with literature 8

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Summary of Case Study Average distance to CBD: 24.3 miles Average peak weekday CBD bound riders: 726 Average # of inbound bus trips: 25 Typical headway in peak of peak: 3 minutes 10

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Longitudinal Employer-Household Dynamics (LEHD), US Census Annual data Links home to work Census Blocks Work data, not exactly travel data OnTheMap is the online tool OnTheMap 11

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Paired Analysis for OD Flows Selected 2.5 mile radius around P&R Selected 1 mile radius to encompass CBD Tabulated OD volume between two sites, by income bracket $1,250 per month or less $1,251 to $3,333 per month More than $3,333 per month 12

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Step 1. Select Analysis Sites 13 2.5 mile radius circle around facility used to identify home Census Blocks 1 mile radius circle around CBD used to identify work Census Block

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Step 2. Analysis Settings 14

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Step 3. Analyze, Record Findings 15

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Case Study Findings Based on analysis of the 2.5 mile radius around case study METRO park & rides: Average weekday CBD bound riders: 767 Average LEHD worker flow to CBD: 1,579 Park & ride modal capture ratio: 18% Lowest three sites 11% Highest three sites 28% 16

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Potential New Park & Ride CBD Current FBC Facilities: AMC Movie Theater University of Houston 5 miles 10 miles 20 miles 22 mi 24 mi

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Estimated Ridership at New Site 19

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20 Ridership Estimate for Varying Service Options

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Questions? Jonathan Brooks J-brooks@ttimail.tamu.edu 21

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