From Roissy Charles de Gaulle airport to Paris-1

From Roissy / Charles de Gaulle airport
to Paris (Railway station “Saint Lazare”)
1. Roissy Bus (the easiest solution as mentioned in Hamburg during the teachers
meeting)
Departure from Roissy airport at Terminal 1, Terminal 3 and all the terminals of
Terminal 2. In each terminal exit, follow “Paris by bus” and “Roissybus”.
Departure:
- every 15 minutes from 6h00 to 20h45,
- every 20 minutes from 20h45 to 23h00
Price 10 € (tickets can be purchased directly from the bus driver (credit card or cash)).
The journey takes about 45-60 minutes
note: in case of heavy traffic travel time may be much higher (up to 2 hours).
At Paris, the bus stops at the Place de l'Opéra, at the corner of the Rue Auber and Scribe.
Then you have 10 minutes of walking to the railway station "Saint Lazare" :
Railway station
Saint Lazare
Roissybus stop
Or
2. RER (suburban train)
Departure every 10-15 minutes from 5h00 to 23h00 (variable frequency during the day)
Departure from Roissy / Charles de Gaulle airport. In each terminal, follow « Paris by
train ».
- at RER Station Terminal 1
- or RER Station Terminal 2-TGV (for Terminal 3 and all the terminals of
Terminal 2 you have a free shuttle to go to RER station)
Take RER Line B direction "St-Rémy-les-Chevreuses / Massy Palaiseau / Robinson"
Get off at "Chatelet les Halles" and take subway line 14 (M14) direction "Saint Lazare".
Follow “Gare SNCF – Grandes lignes” to join the railway station.
The journey takes about 1 hour
Price 8,70 €
And for more information :
About Roissy Charles de Gaulle airport
http://www.easycdg.com/pages/indexpag.html
About public transport in Paris
http://www.ratp.fr/en/ratp/c_21879/tourists