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Characterization of Exhaust Emissions From Heavy-Duty Diesel Vehicles in the Houston-Galveston-Brazoria Area

Description: "For this study, a total of 30 heavy-duty diesel vehicles (HDDVs) were selected from City of Houston (COH) fleet based on opacity testing for HEs and random selection for non-HEs. With the selected 30 vehicles, driving and idling emission testing were performed to characterize their emissions with respect to vehicle classes, types (HE or non-HE), and model years."
Date: October 2011
Creator: Johnson, Jeremy D.; Lee, Doh-Won; Farzaneh, Reza; Zietsman, Josias & Yu, Lei
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department

School Traffic Workshop: Dealing With Texas-Sized Problems Around Schools

Description: "This report summarized the series of "Traffic around Schools"" workshops conducted throughout the state of Texas to familiarize TxDOT employees and partner agencies with two key products from previous research projects (0-4286 and 0-5470) and other tools and guidance that are available for dealing with problems around schools."
Date: October 2011
Creator: Brewer, Marcus A.; Fitzpatrick, Kay & Cooner, Scott A.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department

MASH test 3-37 of the TxDOT 31-inch w-beam downstream anchor terminal

Description: Report discussing the findings of a study exploring issues related to roadside safety devices. It includes background information, system details, test requirements and evaluation criteria, crash test procedures, crash test results, and conclusions.
Date: October 2011
Creator: Bligh, Roger P.; Menges, Wanda L. & Arrington, Dusty R.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department

Studies to determine the effectiveness of automated flagger assistance devices and school crossing devices

Description: "This report describes the methodology and results of analyses performed to determine motorist understanding, as well as the operational and safety effectiveness, of automated flaggers assistance devices (AFADs) relative to the use of flaggers at lane closures on two-lane, two-way roadways."
Date: October 2011
Creator: Finley, Melisa D.; Ullman, Brooke R.; Trout, Nada D. & Park, Eun Sug
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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