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The region Ile de France has a journey planner: https://www.vianavigo.com/
Three bus lines arrive at Orme des Merisiers, which is the closest bus stop to the lab:
The CEA has two types of company buses:
Information for both the types of buses is available at: http://www-saclay.cea.fr/Phocea/Page/index.php?id=502
To receive an SMS if buses are cancelled or running late, go to www.cea-infobus.fr and create a personal account. There is also an app that lets one follow the position of the buses.
RER line B: (service status page: http://www.transilien.com/web/site/accueil/etat-trafic/trafic-jour) Cost: Navigo Monthly Pass, no zones anymore (about 70 euros monthly or 770 annually (1 month is free), and there is a partial CEA refund, see below) RER live train times from Le Guichet (http://www.ratp.fr/horaires/fr/ratp/rer/prochains_passages/RB/Le+Guichet/A), Massy Palaiseau (http://www.ratp.fr/horaires/fr/ratp/rer/prochains_passages/RB/Massy+Palaiseau/A) Île-de-France public transport planner: ViaNavigo (http://www.vianavigo.com/#) (type in ‘Orme des Merisiers, Saint-Aubin’ for journeys starting from the bus stop outside LSCE). It’s possible to take public buses to Le Guichet (the bus number 9) until 20h31(check the accurate times on the ViaNavigo link, above), and Massy-Paliseau RER (bus number 91-06) up until 21h26 Map of local bike routes (blue) and hiking trails (brown): http://www.opencyclemap.org/?zoom=15&lat=48.70774&lon=2.14683&layers=B00 Ile-de-France cycle route map (jpg): http://www.iau-idf.fr/fileadmin/user_upload/SIG/cartes_telecharge/cyclo/Pistes_cyclables_2010_recto.jpg Two CEA bikes for communal use at the bike stand in the main car park - keys can be obtained from main mail-sorting room in Building 701. Night buses from Paris to Gif, Orsay and other places: http://www.noctilien.fr/Noctilien/Recherche.do Steep uphill walk from Gif-Sur-Yvette RER station to Orme (allow lots of time as there are no signposts): http://www.lsce.ipsl.fr/Images/Page/1/Gif-Orme.jpg Saclay plateau car-sharing app for smartphones: pilot scheme to find a ride share from your home to work: http://www.smartautostop.com/inscription/paris-saclay/
B. Refund claim form for Navigo pass