Access Control


Access Control Centre (CSA): Tel : +41 22 767 88 77



CERN has several sites, located in both France and Switzerland, some of which have more than one point of access.


Meyrin site


Entrance B: CERN’s main entrance. This entrance has an access card reader and a vehicle number-plate reader and is manned by security guards.

It is accessible to vehicles, pedestrians and cyclists.


Entrance A: manned by one security guard and accessible to vehicles and pedestrians.


Entrance C: manned by one security guard and accessible to vehicles and pedestrians.


Access E (Charles de Gaulle Gate): located in France, this gate is reserved exclusively for members of the personnel and contractors’ personnel travelling to the Meyrin site from France or vice versa.

Only personal effects that are not subject to a customs declaration may be transported (cf. CERN/DSU-RH/12222/Rev.2).


Rules for the use of Gate E:


The inter-site tunnel: reserved exclusively for CERN vehicles and private vehicles driven by a member of the personnel who has obtained an authorisation via EDH. Pedestrians and two-wheeled vehicles are not permitted to use the tunnel.

The tunnel connects the Meyrin site to other CERN sites that are the subject of agreements with France and Switzerland.

It may be used only for direct journeys between the various parts of the CERN site and not for:

- entering the CERN site directly from a point located outside it (for example, travelling to or from work)

- journeys of a personal nature (for example, to the bank, the post office, a restaurant, etc.)

Only CERN property accompanied by a transfer sheet and personal effects not subject to a customs declaration (cf. CERN/DSU-DO/RH/8200) may be transported through the tunnel.

Rules for the use of the inter-site tunnel:


Gate D (GPS Long. 6.051419 Lat. 46.234531): Reserved exclusively for deliveries.

Only non-CERN goods transport vehicles are authorised to use this gate.

Neither visitors nor members of the personnel may enter or leave the site through Gate D.


Reception in Building 33:  Reserved exclusively for visitors and members of the CERN personnel with an access card. External visitors can print their visitor cards here.


Jura Door: Reserved exclusively for pedestrians with a valid access card.



Prévessin site


Main Entrance: vehicles, pedestrians and cyclists can use it. 


Route du Maroc Entrance: reserved exclusively for pedestrians and cyclists


Chemin du Moulin des Ponts Entrance: reserved exclusively for pedestrians and cyclists



For all LHC and BA sites access is granted every day,  24 hours a day according COVID-19 Access Restrictions. 

Tunnel is open Monday to Friday, excluding official CERN  holidays, from 7.00 to 18:00 according COVID-19 Access Restrictions.


Table of main access points