Successful firms will be called off from the framework to deliver civil engineering and technology improvements to the orbital motorway over the next six years.

Projects could include structures, junction improvements and roadside technology including combined civil engineering and technology renewals.

The works will be built into contracted packages optimised to suit needs, often multi-discipline and sometimes phased.

Direct contracts awarded are expected to be valued from £100,000 up to £20m.

The supplier event will take place on 31 Marchat a venue near M25 South West quadrant with timings to be confirmed.

Firms wishing to attend the supplier event should complete the registration form.