General
Locomotive Performance and Engine Durability Assessment of B5 to B20 Biodiesel Fuel Usage
This report summarizes work performed by Southwest Research Institute (SwRI®) to investigate the durability of several locomotive engine components under various blends of biodiesel from 5 percent biodiesel (B5) of up to 20 percent biodiesel (B20). Due to changes in the U.S. diesel fuel...Positive Train Location: Final Report
The overall goal of the Positive Train Location (PTL) project is to develop a system capable of providing the onboard PTC system with timely and accurate position reports of the head-of -train (HOT) and the end-of-train (EOT) for determining track discrimination and train length without the use of...Ballast Degradation Under Heavy Axle Load Trains at the Western Mega Site
Transportation Technology Center, Inc. (TTCI) and the University of Illinois Urbana-Champaign (UIUC), in conjunction with Union Pacific Railroad (UP), investigated ballast performance under 36-ton heavy axle load (HAL) traffic near Ogallala, NE, at the western mega site from 2010–2015. Periodic...HQ-2017-1237 (Finalized)
On December 8, 2017, at 2:08 p.m., EST, eastbound CSX Transportation (CSX) mixed freight Train Q40407, consisting of 3 locomotives and 141 cars (66 loads/75 empties), derailed 31 cars at Consolidated Rail Corporation (CRSH) C.P. Townley on track No. 2. The derailment occurred on Conrail’s Lehigh...Positive Train Control Track Data Auditing System
The Federal Railroad Administration (FRA) contracted with Transportation Technology Center, Inc. (TTCI), to develop documentation for a system which automates the auditing of railroad track data for Positive Train Control (PTC). TTCI developed a Concept of Operations (ConOps) document and...