In March 2022, AAR rebranded TTCI as MxV Rail, as it works to establish its own testing facility in Pueblo.

[2]: 89–92  Due to reduced funding that threatened to close TTC, the FRA entered a public-private partnership with AAR in 1982, who would take over "care, custody, and control" of the facility.

[5][6] In March 2021, the FRA awarded the operations and maintenance contract to ENSCO, who assumed responsibility for research and development, testing, engineering, and training services at TTC from TTCI starting in October 2022.

[8] The new facility would be in the PuebloPlex industrial park (site of the former Pueblo Chemical Depot), just south of the TTC.

[9] In March 2022, the AAR announced that TTCI would be rebranded into MxV Rail, a name based on the mathematical formula for momentum: mass x velocity.