







For permission to use KSP® on a project without infringing Balfour Beatty plc’s Intellectual Property rights under Section 60 of the Patents Act 1977, the following is required:

See Guidance to Users for more detail.
To use KSP on your project, see Guidance to Users updated 15 July 2021 & new Permit to Use.
October 2025: This year marked completion of all KSP walls on the M25 Junction 10 Upgrade and on motorways across the Southern and Midlands sections of the National Highways network as part of the Smart Motorway Alliance programme.
November 2024: Installation of KSP walls is currently well advanced or completed on the M25 Junction 10 Upgrade and on motorways across the Southern and Midlands sections of the National Highways network as part of the Smart Motorway Alliance programme. KSP also helped make valuable savings on major temporary works on parts of Balfour Beatty Vinci’s Midlands section of HS2.
May 2023: KSP walls are due to start shortly for slope stabilisation on both rail and highway applications, taking advantage of the important benefit that KSP facilitates groundwater flow.
2022: Saw completion of further KSP walls on the M1, M45 and M56 motorways.
31 August 2021: Correct Link to Technical Guidance Download reinstated (inadvertently re-directed in website upgrade of 28 July 2021).