Since January 4, 2021, Chartres (Eure-et-Loir) has been a 30km/h city. The objective “to calm the city” according to the municipality.

A spectacular drop in nitrogen dioxides (NO2) known for these harmful effects on respiratory health. Chartràvélo hopes, thanks to these results, for “a more generalized awareness in Eure-e-loir” and is campaigning for the adoption by other cities of this measure.