Question to the Department for Transport:

To ask the Secretary of State for Transport, pursuant to the Answer of 9 June 2015 to Question 1261, whether bi-modal IEP trains running on diesel power will be capable of running at the maximum permitted linespeed of 125 miles per hour.

The testing programme has demonstrated that the IEP train is capable of running at 125 miles per hour on diesel. Passengers can expect journey time improvements of circa 15 minutes on the routes served.