CERN in numbers

 

LAND AND SITES
  • 625 ha of land made available by the Host States (France 517 ha, Switzerland 108 ha)
  • 18 fenced sites covering a surface area of 221 ha (France 170 ha, Switzerland 51 ha)
  • Meyrin site: 79 ha, Prevessin site: 85 ha
  • 24.1 km of fencing
BUILDINGS
  • About 671 buildings of all sizes covering a total footprint of 430945 m2
  • About 285 barracks (huts, modular buildings and maritime containers)
ROAD AND GREEN SPACES
  • 54 km of roads covering (including parkings) covering a total area of 626 000 m2
  • 6 346 car parking spaces
  • 110 ha of green spaces
UNDERGROUND WORKS
  • 454 underground structures including 53 shafts
  • 186 service galleries of total length 17.2 km
  • About 64 km of tunnel
PREMISES (ROOMS)
  • 1275 floors (excluding roofs and underground)
  • About 17 101 premises (excluding roofs and underground) covering a total surface of 657 000 m2