Its attendance continues to climb, going from 195,000 daily travelers in 1996 to more than 660,000, according to the latest data (+ 6% between 2015 and 2020).
Scenarios even suggest 900,000 users per day in 2030!
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Line D, the longest in the RER network at 197 km, connects the southern and northern departments of Île-de-France — from Oise to Loiret — to Paris.
It is thus used by many suburban residents who work in Paris.
And with tens of thousands of homes expected to be built each year, this is not likely to decrease any time soon.
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