
Access

Meyrin site
| Gate A | Pedestrians, cyclists and vehicles 24/7 |
| Gate B | Closed for works |
| Gate C | Pedestrians & cyclists 24/7, vehicles weekdays from 6 a.m. to 8 p.m. |
| Gate D (Goods Entrance) | Vehicles weekdays from 7 a.m. to 7 p.m. Access outside these hours please request to the CERN Access Control Centre (CSA) at +41 22 767 6666. |
| Gate E | Pedestrians, cyclists and vehicles, weekdays from 6.30 a.m. to 8 p.m. (for personnel and contractors only) |
| Gate Jura (Esplanade des particules) | Pedestrians 24/7 |
| Inter-site tunnel | Vehicles only; Strictly reserved to rights holders weekdays 7 a.m. to 6 p.m.* |
*More information on the use of the inter-site tunnel can be found here.
Prévessin site
| Main entrance | Pedestrians, cyclists and vehicles: 24/7 |
| Gate Route du Maroc | Pedestrians & cyclists: 24/7 |
| Gate Route de Moulin des Ponts | Pedestrians & cyclists: 24/7 |
LHC, SPS, SM18 and Experimental points
Pedestrians, cyclists & vehicles: 24/7
Parking at CERN

Parking areas
Parking is permitted only in designated areas marked with a parking sign (P). Vehicles must be parked within the marked bays and must comply with any restrictions indicated on site, such as:
- Reserved spaces
- Disabled parking
- Official vehicles
- Tow-away zones
Specific areas of the site may be subject to more restrictive conditions. Such restrictions may include, inter alia, shorter maximum parking durations, prohibitions of overnight parking, or other limitations justified by operational needs or ongoing construction works.

Parking duration
For Official CERN Activities
Parking facilities are intended for people accessing the site for official CERN activities.
- Maximum parking duration: 5 consecutive working days
- Longer periods may be authorised for duty travel in designated long-stay parking areas
For Other Purposes
For persons accessing the site outside the framework of official CERN activities:
- Maximum parking duration: 3 hours
Parking facilities should not be used to continue a journey outside CERN by other means of transport.
More information about Parking General Conditions and regulations
⚠️ Vehicles parked in breach of the rules may be moved without the owner’s prior agreement and at the owner’s expense.1
1See the Operational Circular no.2.
Access Control Centre (CSA)
| 📍 B120 |
| 🕒 24/7 |
| 📞 +41 22 767 6666 |
| 📧 access.surveillance@cern.ch |
CERN Addresses
Physical Address
CERN Meyrin site / site de Meyrin
1 Esplanade des Particules
Meyrin, Suisse
CERN French site / site français
9001, route de Saint-Genis
01280 Prévessin-Moëns, France
Postal Address
CERN Meyrin site / site de Meyrin
CH-1211 Geneva 23
CERN French site / site français
Organisation Européenne pour la Recherche Nucléaire
F-01631 CERN Cedex