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Field Investigation and Modeling of Track Substructure Performance Under Trains Moving at Critical Speed

The purpose of this research performed by Pennsylvania State University between September 2012 and September 2015 was to formulate and validate a 3D dynamic track-subgrade interaction model, to conduct field measurements of subgrade conditions and track responses to train passes at a variety speeds...

Consolidated Rail Infrastructure and Safety Improvements Program (FY 2018) Benefit-Cost Analysis FAQs

Consolidated Rail Infrastructure and Safety Improvements Program (FY 2018) Benefit-Cost Analysis FAQs

Discrete Element Modeling of Railroad Ballast Behavior

An innovative integrated computational-experimental laboratory testing framework has been developed at the University of Illinois at Urbana-Champaign to evaluate clean and fouled ballast behavior. The railroad ballast layer consists of discrete aggregate particles and it is a critical substructure...

Positive Train Control Interoperability Test Support: Radio Frequency Desense Testing

The Federal Railroad Administration (FRA) sponsored research that was conducted by Transportation Technology Center, Inc. (TTCI) to evaluate the performance of the Advanced Civil Speed Enforcement System (ACSES) 220 MHz data radios and the Interoperable Train Control (ITC)-compliant 220 MHz data...

Research on Methods for Enhancing Positive Train Control Freight Braking Algorithms

The Federal Railroad Administration (FRA) sponsored a research project, executed by Transportation Technology Center, Inc. (TTCI) to investigate methods for enhancing the data used by Positive Train Control (PTC) freight braking algorithms and to improve the evaluation process of PTC freight...

DOTX 220 Schedule September 2018

Notice of Funding Opportunity for FY 2018 Railroad Safety State Participation Pilot Grant Program

This notice details the application requirements and procedures for states to obtain grant funding for eligible training, travel, laptop computers, and grant management administration under the FY 2018 Railroad Safety State Participation Pilot Grant program. The funding for this program was made...

DOTX 220 Schedule September 2018

DOTX 219 Schedule September 2018

Quarterly Report on the Performance and Service Quality of Intercity Passenger Train Operations Q2 2018

Quarterly Report on the Performance and Service Quality of Intercity Passenger Train Operations Q2 2018

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