Inside École nationale des ponts et chaussées's largest research partnership: Université Gustave Eiffel

Behind École nationale des ponts et chaussées's research output sits a defining relationship: 3,584 co-authored works with Université Gustave Eiffel (France) in the five years to 2025, the university's single largest collaboration.

It anchors an unusually connected research base: 836 collaborating institutions across 73 countries, producing 22,229 joint works over the window, with international co-authors on 37% of output.

The collaborative work travels: its field-weighted citation impact stands at 2.35, where the world average is 1.0.

The Research Collaboration Index, the first global account of how universities actually collaborate, publishes its first full edition on Tuesday 15 September at 09:00 UK.

Every figure derives from the open global research record and is checkable at source.