Question to the Department for Transport:

To ask His Majesty's Government what is the final cost of the installation of new emergency areas on smart motorways; and what is the break down of costs for each relevant motorway.

National Highways committed to add over 150 new emergency areas on existing All Lane Running smart motorways by the end of March 2025, prioritising locations where these would provide the greatest benefit and could be delivered within the £390 million budget. The table below sets out the number of additional emergency areas delivered on each relevant motorway section.

On average, across the programme, an emergency area costs approximately £2.6 million to construct (pending final accounts). Individual emergency areas have varying design requirements, including topography, requirement for supporting structures, drainage, and technology, which mean they can cost less or more than the expected average to construct.

National Highways has recently commenced work on the M1 between junctions 16 and 19 to undertake remedial works to strengthen embankments adjacent to four new emergency areas. These works are expected to be completed by August 2026. As a result, programme close-out activities have been extended and final costs for the National Emergency Area Retrofit programme are now expected to be available in Spring 2027, subject to final accounting and internal governance.