Jonathan May

Project Manager, VolkerFitzpatrick

Jonathan is a Project Manager that has been involved on the M27 Junction 10 project since early 2023 supporting the initial survey work and detailed design into the construction which started late 2024. Throughout the construction phase he has been the operational lead managing a large team of engineers and overseeing all key sub-contract packages.

During the Christmas 25 ‘box slide’ possession, Jonathan took a lead role in the complex phasing, logistics and delivery, driving the successful completion of the works ahead of programme. His previous projects include A31 Ringwood Bridge Replacements and A27 East of Lewes major improvements.

My Speaker Sessions

Tuesday 24 November 2026

15:40

Creating a New Motorway Underbridge Using the Box Slide Technique

15:40 - 16:05
  • The presentation will focus on the choice of a box slide construction methodology to construct a new dual carriageway underpass beneath a busy stretch of the M27 motorway in Hampshire.
  • This will cover the design stages from optioneering to detailed design, construction challenges and complex installation methodology associated with this method.
  • The presentation will also cover the decision to close the motorway for a 10 day period over Christmas 2025 to facilitate the installation, how this was communicated to the public, and the positive feedback received.

Speakers