Four buildings set to house technical infrastructure for the future accelerator were delivered to CERN by contractors between June and September

Uppsala University is upgrading its FREIA Laboratory, initially constructed for the ESS project, to test superconducting magnets and crab cavities for the HL-LHC

The construction of an underground cavern at Point 1, which will house equipment for the High-Luminosity LHC, has been successfully completed

35 niobium–tin superconducting coils have been manufactured as part of a fruitful collaboration with the company General Electric. They will be used in the 11 T dipoles for the HL-LHC

A memorandum of understanding (MoU) between CERN and Fermilab, signed on 23 March, details Fermilab’s contributions to the High-Luminosity LHC project

The schedule for the current long shutdown (LS2) has had to be modified due to the COVID-19 pandemic

At LHC Point 4, a refrigerator that cools helium from room temperature to 4.5 K (-268.65 °C) has undergone major improvements in preparation for the HL-LHC

A new beam absorber, developed for high luminosity, has been installed in the LHC

Oliver Brüning takes over from Lucio Rossi at the helm of the HL-LHC project as of 1 July

A superconducting electrical transmission line developed for the High-Luminosity LHC has set a new intensity record

Novel cryostat units have been installed for the High-Luminosity LHC to allow insertion of room-temperature collimators in the LHC’s 1.9 K cryostats

On 14 January, the Directors gave their traditional review of the year gone by to a packed CERN Main Auditorium