Open access rate for École nationale des ponts et chaussées
This open access rate was assessed at the beginning of 2025 based on the corpus of articles published by researchers from the school's research units in 2023.

Sources are Unpaywall, the DOAJ, and HAL.

The Open Science Plan of the School has set the ambitious goal of achieving 100% of articles in open access by 2026.

The complete methodology can be consulted and reproduced, it is available here ou there.