quantifying park & ride demand using lehd od data and case study analysis
DESCRIPTION
Quantifying Park & Ride Demand Using LEHD OD Data and Case Study Analysis. GIS in Transit Conference 2013 October 17, 2013. Jonathan Brooks Associate Transportation Researcher Transit Mobility Program Texas A&M Transportation Institute The Texas A&M University System. The Question. - PowerPoint PPT PresentationTRANSCRIPT
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QUANTIFYING PARK & RIDE DEMAND USING LEHD OD DATA
ANDCASE STUDY ANALYSIS
JONATHAN BROOKSASSOCIATE TRANSPORTATION RESEARCHERTRANSIT MOBILITY PROGRAMTEXAS A&M TRANSPORTATION INSTITUTETHE TEXAS A&M UNIVERSITY SYSTEM
GIS IN TRANSIT CONFERENCE 2013OCTOBER 17, 2013
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The Question
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New ? FBC Park & Ride
HoustonCBD
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Park & Ride Market-Sheds
Limited by distance Facilities close together may reduce each
other’s ridership generation Rider’ willingness to backtrack limited Market-shed most often parabolic shape 50% of riders typically live within 2.5 miles
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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)
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Demand Estimation ModelSimplified 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
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Houston Metro P&Rs:SpringKingwoodTownsenBay AreaGrand ParkwayKingslandCypressNorthwest Station
FBC Transit P&Rs:AMC Movie TheaterUniversity of Houston
5 miles
10 miles
20 miles
27 mi28 mi
21 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
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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
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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
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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
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Step 1. Select Analysis Sites
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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
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Step 3. Analyze, Record Findings
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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%
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Potential New Park & Ride
CBD
Current FBC Facilities:AMC Movie TheaterUniversity of Houston
5 miles
10 miles
20 miles
22 mi
24 mi
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Estimated Ridership at New Site
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Ridership Estimate forVarying Service Options
OPTION 2 3
DescriptionFort Bend
ShuttleExtension
METRO 262
Type of ServiceShuttle to
meet METRO route
METRO route
extension
Assume Park & Ride Location
35%of Low
Non-stop P&R
75%of Low
Non-stop P&R Low High
On or near UH 83 250 330 866
4 5New Fort
Bend Route
New METRO Route
Park & Ride
Park & Ride
546
ESTIMATED AM PEAK RIDERSHIP
Medium