Trip internalization in multi-use developments.

Lin, Pei-Sung; Fabregas, Aldo; Pinjari, Abdul; Seggerman, Karen; Bochner, Brian; Sperry, Benjamin; Lee, Changyoung; Koneru, Vivek; University of South Florida. Center for Urban Transportation Research; Texas A&M Transportation Institute

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Trip internalization in multi-use developments.

2014-04-01
By Lin, Pei-Sung ; Fabregas, Aldo ; Pinjari, Abdul ; ...

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English

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Creators:

Lin, Pei-Sung ; Fabregas, Aldo ; Pinjari, Abdul ; Seggerman, Karen ; Bochner, Brian ; ... More +

Lin, Pei-Sung ; Fabregas, Aldo ; Pinjari, Abdul ; Seggerman, Karen ; Bochner, Brian ; Sperry, Benjamin ; Lee, Changyoung ; Koneru, Vivek Less -
Corporate Creators:

University of South Florida. Center for Urban Transportation Research ; Texas A&M Transportation Institute

University of South Florida. Center for Urban Transportation Research ; Texas A&M Transportation Institute Less -
Subject/TRT Terms:

[+]

Data Collection Land Use Methodology Mixed Use Development Traffic Estimation Traffic Flow Transportation Modes Trip Generation Trip Length
Publication/ Report Number:

BDK84-977-10
Resource Type:

Tech Report
Geographical Coverage:

Florida
Corporate Publisher:

Florida. Dept. of Transportation. Research Center
Abstract:

Internal trip capture refers to how the number trips to and from a development are reduced by the proximity of

complementary land uses within the development (e.g., residential to retail). Internal trips occur within the

development and do not encumber the traffic flow on the public roadways connecting the development with the

transportation network. Internal trip capture rates are used to estimate trip generation on mixed-use developments by

adjusting the single land use estimates. These single land use estimates tend to overestimate the trip generation

behavior for mixed-use developments. Accurate internal trip capture rate estimates and methodologies are necessary

to improve the trip generation estimates for mixed-use developments. Nationwide, there have been efforts to enhance

both the data availability and estimation methodologies to estimate internal trip capture rates. In this project, internal

trip capture data from four mixed-use developments in Florida were collected and analyzed using a recently-enhanced

internal trip capture methodology developed by the National Cooperative Highway Research Program (NCHRP). Results

showed that the enhanced methodology produced generally more accurate estimates than those from the traditional

ITE internal trip capture procedure. In the NCHRP methodology, the maximum unconstrained internal trip capture rates

from land use pairs are chosen in mixed-use developments. Data collected in this project can potentially contribute with

33 percent of these unconstrained internal trip capture rates used in the enhanced methodology for internal trip

capture estimation. A series of prediction tests was developed to assess the contribution of the unconstrained internal

trip capture rates supplied by this study to the accuracy of the trip generation estimates. It was found that the use of

the revised unconstrained internal trip capture rates based on the combined NCHRP and FDOT data improved the

prediction capability in five out of eight test cases, with one test case tied. In addition to internal trip capture

estimates, this project also collected transportation mode and internal trip length information. Guidance for improving

the data collection process and estimation are also provided.
Format:

PDF
Collection(s):

US Transportation Collection
Main Document Checksum:

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urn:sha256:7e3253dacda774eb96cb2b191037e99656a3455054d3737e146557ab15aeee3d
Download URL:

https://rosap.ntl.bts.gov/view/dot/27254/dot_27254_DS1.pdf
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Trip internalization in multi-use developments.

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