Question to the Department for Transport:
To ask the Secretary of State for Transport, how long it will take for (a) electric IEP trains and (b) other bi-mode IEP trains running on diesel to reach 125 mph on flat and straight track in (i) five and (ii) nine car formations.
The maximum speed of the bi-mode and electric IEP trains in regular service will be the maximum permitted line speed.
The information relating to electric and bi-mode IEP trains in 5 and 9 car formations can be found in the Train Technical Specification available on the Department of Transport website.