This article is from the Paris, France FAQ, by Thierry E. Toniutti and Delphine Kensit nemo_n@yahoo.com.
You can also take the RER Line B3 to and from Charles de Gaulle
Airport. The journey from CDG airport runs southward to central Paris
where you can transfer to the Metro or other RER lines, and takes
about 45 minutes. Visitors arriving at Terminal 2 (Air France flights)
can access the RER station directly. From Terminal 1, take the free
shuttle bus. Trains run every 15-20 minutes, from 5:24am-12:09am. The
one-way fare is 48FRF.
 
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