An official website of the United States government
Official websites use .gov A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
In July 1999, Transportation Technology Center, Inc. (TTCI), a subsidiary of the Association of American Railroads (AAR), conducted Phase III of the Federal Railroad Administration's (FRA) Improved Freight Car Roller Bearing Inspection Program (Task Order 122). Phase III, conducted at the...
This document, entitled “1997 Railroad Employee Fatalities: A Comprehensive Study,” was designed to promote and enhance awareness of many unsafe behaviors and conditions that typically contribute to railroad employee fatalities. By furthering our understanding of the causes of railroad employee...
The Transportation Technology Center, Inc. (TTCI), a subsidiary of the Association of American Railroads has conducted wear tests on a range of rail steels in a 5-degree curve at the Federal Railroad Administration's Transportation Technology Center (TTC). The tests have included six premium rail...
This Final Report to the Federal Railroad Administration (FRA) presents an summary of the work conducted under FRA Grant, DTFRDV-99-G-60017, by Union Switch & Signal (US&S), a subcontractor of the Transportation Safety Research Alliance (TSRA), to develop an Optimizing Traffic Planner (OTP...
This technical report summarizes the results of noise tests carried out during November 1999 at the Transportation Technology Center (TTC) in Pueblo, Colorado. The tests were performed by Harris Miller Miller & Hanson Inc. (HMMH) and akustik-data Engineering Office (A-D) under sub-contract to...
TTCI conducted a series of simulated revenue service tests with a train of 8 cars containing wheel sets with specific roller bearing defects and wheel sets with good bearings. The purpose of the test was the evaluation of improved wayside acoustic bearing detection systems. The tests were conducted...
This guide covers the application of engineer certification, certification evaluation methodologies, and the revocation process. It also covers operational monitoring, dispute resolution procedures, recordkeeping, and program submission.
Over the past 15 years, Transportation Technology Center, Inc. (formerly Research and Test Department of the Association of American Railroads) has devoted a great deal of research to technical and economic issues related to increasing axle loads tinder a program jointly funded by the Association...
The Heavy Axle Load (HAL) implementation program began in 1988 with the objective of developing economically optimal and safe axle loads for North American railroads. This research is currently being conducted by the Transportation Technology Center, Inc. (TTC), a subsidiary of the Association of...
[From the Preface] The COMPILATION OF STATE LAWS AND REGULATIONS ON MATTERS AFFECTING HIGHWAY RAIL CROSSINGS, Third Edition makes a unique contribution to the highway-rail grade crossing safety literature. This book represents the third edition to the 1983 original publication although the title of...