Studies: 90.4% Punctuality Rate for Transilien Lines in Paris
This page is translated from the original post "Études : 90,4% de ponctualité des lignes Transilien à Paris" in French.

Because clichés are persistent, SNCF now communicates about the punctuality of its services, especially that of its Transilien lines in Île-de-France.

Clichés are hard to die. @TransilienSNCF
SNCF’s study covers February 2023, a month during which strike movements related to pension reform had no impact.
It reveals that the Transilien trains, the formal name for SNCF’s suburban train network serving railway stations in Île-de-France as well as various cities in Normandy, Centre-Val de Loire, or Hauts-de-France, have a punctuality rate that is surprisingly high. Among its trains are the famous RER A, B, C, D, and E lines.
Contrary to popular belief, the punctuality rate of Transilien trains is excellent, with an average delay rate of less than 10% over a month. Considering the thousands of trips this encompasses, this performance deserves to be highlighted.
The SNCF then lists the causes of delays:
- 5.2% due to “Non-Transilien” responsibilities: works, weather phenomena, incidents affecting the tracks, etc.
- 4.4% due to “Transilien” responsibilities: equipment failure, forgotten items requiring intervention by bomb disposal teams, passenger incidents, etc.
Catenary failures repeatedly appear as a cause of equipment failure, evidence that the extensive modernization plan of the French rail network, amounting to 100 billion euros until 2040, will not be superfluous. The SNCF chief recently admitted that the average age of rails in France is 30 years, compared to 17 years in Germany.
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