Research in Progress (RIP) https://rip.trb.org/ en-us Copyright © 2024. National Academy of Sciences. All rights reserved. http://blogs.law.harvard.edu/tech/rss tris-trb@nas.edu (Bill McLeod) tris-trb@nas.edu (Bill McLeod) Research in Progress (RIP) https://rip.trb.org/Images/PageHeader-wTitle-RIP.jpg https://rip.trb.org/ Mitigating Freight Emissions in EJ Communities in and Around Ports https://rip.trb.org/View/2335159 Tue, 06 Feb 2024 16:53:49 GMT https://rip.trb.org/View/2335159 Develop a Performance Metric to Quantify the Inhalation of Traffic-Related Air Pollutants at both Mesoscale and Macroscale https://rip.trb.org/View/1765425 Tue, 26 Jan 2021 14:48:22 GMT https://rip.trb.org/View/1765425 Positive Train Control for Commuter Rail https://rip.trb.org/View/1258250 Mon, 05 Aug 2013 00:56:50 GMT https://rip.trb.org/View/1258250 Positive Train Control (PTC) for Commuter and Regional Rail Systems https://rip.trb.org/View/1233974 Thu, 03 Jan 2013 15:04:45 GMT https://rip.trb.org/View/1233974 GIS Best Practices for Transportation Agencies in the Inland Empire of Southern California https://rip.trb.org/View/1230794 Thu, 03 Jan 2013 14:06:20 GMT https://rip.trb.org/View/1230794 Operation, Safety, Environmental, and Financial Feasibility Analysis of Integrating Exclusive Truck Roads into SR60 Freight Corridor https://rip.trb.org/View/1230041 Thu, 03 Jan 2013 13:52:59 GMT https://rip.trb.org/View/1230041 Transportation Impact and Mitigation Case Study: The Sam and Alfreda Maloof Story https://rip.trb.org/View/1229999 Thu, 03 Jan 2013 13:52:13 GMT https://rip.trb.org/View/1229999