General
Improved Roller Bearing Wayside Detection Research: Phase III System Evaluation Test
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...Engineer Certification Reference Guide
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.Economics of Heavy Axle Loads: Predicted and Actual Benefits of HAL Operations
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...Crosstie and Fastener Tests at FAST: 1988-1999
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...Compilation of State Laws and Regulations Affecting Highway-Rail Grade Crossings: Third Edition
[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...Advanced Railroad Wheel/Rail Interaction Force Measurement
The Phase I research into the development of a novel, cost effective and efficient wheel/rail interaction force measurement system demonstrated the ability to use silicon strain gauges, fabricated with MEMS manufacturing techniques, to measure the types of forces seen in car wheels. Silicon strain...A Presentation of 9 Aspect Cab Signal System and Advanced Civil Speed Enforcement System in the Northeast Corridor Territory
This document contains the presentation slides by the National Railroad Passenger Corporation on the 9 Aspect Cab Signal and the Advanced Civil Speed Enforcement System.
Vehicle Track Stiffness Measurement System (VTSM): Phase 1 Progress Report
The following is an interim progress report covering the development work on a prototype Vertical Track Stiffness Measurement system (VTSM). The Federal Railroad Administration’s Office of Research and Development has begun development of a prototype, dynamic track stiffness measurement system...