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Non-vital advance rail preemption of signalized intersections near highway-rail grade crossings

Description: Technical report examining two strategies were investigated to ensure pedestrian clearance time in intersections near highway-rail grade crossings. The first utilizes a lower-level preemption sequence to guarantee full pedestrian clearance to a terminating phase before the traffic signal starts the preemption sequence. The second strategy uses the pedestrian-omit feature to prevent the controller from activating the pedestrian interval if there is not sufficient time in advance of the start of … more
Date: June 2007
Creator: Balke, Kevin N.; Engelbrecht, Roelof Johannes & Ruback, Leonard G.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department

Joint Groundwater Monitoring and Contamination Report: 2003

Description: Annual report compiling information about required groundwater monitoring activities and cases of contamination by state-regulated activities during the YYYY calendar year. Includes tables with the enforcement status of each case of contamination.
Date: June 2004
Creator: Texas Groundwater Protection Committee
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department

Joint Groundwater Monitoring and Contamination Report: 2007

Description: Annual report compiling information about required groundwater monitoring activities and cases of contamination by state-regulated activities during the YYYY calendar year. Includes tables with the enforcement status of each case of contamination.
Date: June 2008
Creator: Texas Groundwater Protection Committee
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department

Description of Current Texas Transportation Mobility and Maintenance Needs & Technical Addendum

Description: This is a report to address the increasing demands for funds to maintain growth in the Texas transportation system. The report provides immediate assessments of the state's mobility and maintenance needs and the impact of transportation investments to the state's economy and quality of life.
Date: June 2008
Creator: Cambridge Systematics
Item Type: Refine your search to only Text
Partner: UNT Libraries Government Documents Department
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