Along with the development of ETR 1000 by AnsaldoBreda and Bombardier Transportation (which is designed to operate commercially at , with a technical top speed of over ), with Rete Ferroviaria Italiana working on the necessary updates to allow trains to speed up to . On 28 May 2018, the Ministry for Infrastructures and Transportation and the National Association for Railway Safety decided not to run the 385 km/h tests required to allow commercial operation at 350 km/h, thus limiting the maximum commercial speed on the existing Italian high-speed lines to 300 km/h and cancelling the project.