Development and Calibration of Regional Dynamic Traffic Assignment Models for the Estimation of Traffic Performance Measures in Nevada

Gholami, Ali; Tian, Zong; Lin, Dongmei; Zhou, Xuesong; Miri, Golnoosh; Liu, Jiangtao; Li, Pengfei; University of Nevada, Reno. Center for Advanced Transportation Education and Research; Arizona State University. School of Sustainable Engineering and the Built Environment

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Development and Calibration of Regional Dynamic Traffic Assignment Models for the Estimation of Traffic Performance Measures in Nevada

2017-02-01
By Gholami, Ali ; Tian, Zong ; Lin, Dongmei ; ...

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Creators:

Gholami, Ali ; Tian, Zong ; Lin, Dongmei ; Zhou, Xuesong ; Miri, Golnoosh ; ... More +

Gholami, Ali ; Tian, Zong ; Lin, Dongmei ; Zhou, Xuesong ; Miri, Golnoosh ; Liu, Jiangtao ; Li, Pengfei Less -
Corporate Creators:

University of Nevada, Reno. Center for Advanced Transportation Education and Research ; Arizona State University. School of Sustainable Engineering and the Built Environment

University of Nevada, Reno. Center for Advanced Transportation Education and Research ; Arizona State University. School of Sustainable Engineering and the Built Environment Less -
Corporate Contributors:

Nevada. Dept. of Transportation
Subject/TRT Terms:

[+]

Calibration Data And Information Technology Data Processing Dynamic Traffic Assignment Highways Performance Measurement Planning And Forecasting Travel Demand Validation
Publication/ Report Number:

557-14-803
Resource Type:

Tech Report
Geographical Coverage:

United States ; Nevada

United States ; Nevada Less -
TRIS Online Accession Number:

01652120
Corporate Publisher:

Nevada. Dept. of Transportation
Abstract:

This project covered the development and calibration of a Dynamic Traffic Assignment (DTA) model and explained the procedures, constraints, and considerations for usage of this model for the Reno-Sparks area roadway network in Northern Nevada. A literature review was conducted regarding DTA model development and applications. The details of the DTA model development for the Reno-Sparks network were documented along with necessary model calibration. DTALite was used for developing the DTA model and Network eXplorer for Traffic Analysis (NeXTA) was implemented as the user interface. Since the Regional Transportation Commission of Washoe County (RTC) maintains the regional TransCAD travel demand model, the up-to-date network and Origin Destination (OD) demand data was obtained from RTC. After initial model preparation, the model was calibrated by comparing the DTA generated link volumes and those obtained from the Nevada Department of Transportation's (NDOT’s) Traffic Record Information Access (TRINA) database, which includes 24-hour link volumes on major roadway links collected from permanent and temporary traffic count stations. The DTA model development included the following major steps: (1) Import the network and demand data from TransCAD into NeXTA; (2) Perform a dynamic traffic assignment in DTALite to achieve an equilibrium to produce an initial DTA model; (3) Prepare field data and run Origin Destination Matrix Estimation (ODME) for initial network calibration; (4) Validate and demand modifications to better match the observed counts versus simulation volumes; and (5) Cut a subarea and perform further analysis in micro simulation software packages (optional).
Format:

PDF
Collection(s):

US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:193829d238dd875a2afd2809809aeb7453e64d71e1525cf12338425d556c57cb
Download URL:

https://rosap.ntl.bts.gov/view/dot/35062/dot_35062_DS1.pdf
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Development and Calibration of Regional Dynamic Traffic Assignment Models for the Estimation of Traffic Performance Measures in Nevada

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