Getting to the LAL Reception The reception is open from 8:45 to 12:30 and from 13:30 to 17:30. RER RER line B, Orsay-Ville station. RATP: se déplacer Orsay campus Open to visitors' vehicles from Monday to Friday, from 7am to 10pm. Saturday from 7h to 14h. Outside these hours, access by permission only. Linear Accelerator Laboratory (LAL) – Orsay Scientific CenterBuilding 200 – BP 34 – 91898 Orsay cedex – FranceTel. : +33(0)1 64 46 83 00 – Fax : +33(0)1 69 07 94 04