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Research Reports  [1113]

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The Center for Transportation Studies' research reports present the results of University of Minnesota projects in all areas of transportation research. Most reports are available online free of charge.

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Pressure-based dispatch for shared autonomous vehicles

Levin, Michael; Kang, Di (Center for Transportation Studies, University of Minnesota, 2019-08)
Shared autonomous vehicle (SAV) technology is rapidly maturing, with two companies (Uber and Waymo) already testing SAV services in cities in the US. Due to the point-to-point service and lack of a driver, SAV service costs ...

Non-linear spacing policy and network analysis for shared-road platooning

Levin, Michael; Rajamani, Rajesh; Jeon, Woongsun; Chen, Rongsheng; Kang, Di (Center for Transportation Studies, University of Minnesota, 2019-08)
Connected vehicle technology creates new opportunities for obtaining knowledge about the surrounding traffic and using that knowledge to optimize individual vehicle behaviors. This project creates an interdisciplinary group ...

Development and Regionalization of In Situ Bioslopes and Bioswales

Johnson, Kurt W; Cai, Meijun; Patelke, Marsha; Saftner, David; Cruz, Chanelle (Minnesota Department of Transportation., 2019-07)
This project is a multi-disciplinary investigation into the use of alternative media for biofiltration systems in Minnesota. Over the last thirty years, the Minnesota Department of Transportation (MnDOT) has implemented ...

Regional Roadside Turfgrass Testing Program

Watkins, Eric; Trappe, Jon; Watkins, Eric; Trappe, Jon (Minnesota Department of Transportation, 2019-08)
Roadsides are a challenging environment for successfully establishing turfgrass. Site-specific stresses demand multi-site testing of grasses and grass mixtures. This study evaluated 60 entries that varied by cultivar, ...

Transportation Data Research Laboratory: Data Acquisition and Archiving of Large Scaled Transportation Data, Analysis Tool Developments, and On-Line Data Support

Kwon, Taek Mu (Intelligent Transportation Systems Institute, Center for Transportation Studies, University of Minnesota, 2009-02)
This report contains a collection of reports for projects completed in FY 2004 and 2005 at the Transportation Data Research Laboratory (TDRL). First, an archiving technique referred to as the Unified Transportation Sensor ...

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