Question to the Department for Transport:

To ask the Secretary of State for Transport, if he will provide a list of incidents in which gantry notification systems were out of operation on the M1 between junctions 32 and 35a in the last three months.

Highways England currently holds data to reflect the percentage of time that roadside technology is operable rather than the number of occasions that a device is offline.

Highways England assesses that, using the time period of January 1^st, 2021 through to March 31^st 2021, the latest period for which data is available, that all of the technology within the M1 Junctions 28 to 35a scheme boundary was operable for 97.11% of the time.

The boundaries of M1 Junctions 28 to 35a scheme are as stated within Statutory Instrument 2015 No. 1701.

There are maintenance standards associated with the service restoration time for the various devices associated with roadside technology (including those associated with smart motorways) that work to ensure the operability is maintained. There are factors such as accessing the roadside in a safe manner that could affect restoration times.