As part of ongoing Federal Railroad Administration-funded research examining the behavior of fine-filled ballast when exposed to moisture, Transportation Technology Center, Inc., used the Rainy Section at the Facility for Accelerated Service Testing...

In collaboration with the Federal Railroad Administration, Transportation Technology Center, Inc. used the Rainy Section of the High Tonnage Loop at the Facility for Accelerated Service Testing in Pueblo, CO, to develop a new track settlement model....

As part of continuing research into mud pumping and fine-filled ballast, the Federal Railroad Administration and the Association of American Railroads studied how moisture in fine-filled ballast can affect track performance. The goals of this research...

To research the Virtual Block Track Circuit (VBTC) concept and evaluate the performance of a supplier’s prototype, the Federal Railroad Administration (FRA) sponsored Transportation Technology Center, Inc. from 2021 through August 2022 to perform a...