Road closures on RD620 near Bitche and RD934 in Seine-et-Marne

The RD620 highway near Bitche is closed to traffic from 07:00 on 3 August 2026 until Thursday, with a 24‑hour restriction covering the stretch from the fire‑station roundabout to the RD620‑RD662 interchange. Drivers are advised to use a detour via RD662 and the centre of Bitche.

In Seine-et-Marne, a section of departmental road RD934 between Crécy‑la‑Chapelle and Coulommiers will be closed in both directions on 4–5 August 2026 from 08:00 to 18:00. The closure allows resurfacing work, and a detour is provided using D21, the forest of Crécy, RD228 and RD15 to maintain traffic flow.

Both closures are part of scheduled maintenance intended to extend the lifespan of the road surfaces and improve safety.