[9][10] Shortly thereafter, the company released a new timetable comparison tool to aid customers in interpreting the service levels and changes enacted.

The oldest trains in the fleet, the Class 185 multiple-units, were subject to an interior deep clean, which included the replacement of all carpets.

[22] During September 2023, following a radical review by the DfT, it was announced that TransPennine Express's Nova 3 train sets, comprising Class 68 diesel locomotives hauling rakes of Mark 5A carriages, had been scheduled for withdrawal.

[23] This rolling stock was relatively new, yet had been beset by multiple challenges including technical issues, driver training, a downturn in passengers due to COVID-19, and noise complaints from neighbours of the Scarborough maintenance facility, which resulted in a persistently low utilisation rate being achieved.

[23] Chris Jackson, managing director of TransPennine Express, has advocated for the need to simplify the operator's fleet, resource planning, and overall business strategy.