News · Roads and roadworks · RD 952
RD 952: roadworks in Castellane municipality and closures at the Clue de Chasteuil
Two separate worksites have been announced on the RD 952. In Castellane municipality, alternating one-way traffic controlled by lights will be in place from Monday 26 October 2026 to Friday 22 January 2027, with possible stoppages of up to 10 minutes on weekdays. At the Clue de Chasteuil, in Rougon municipality, between Castellane and the gorge, the road will be closed during the day from Monday 2 November to Friday 11 December 2026, with two 15-minute reopenings, at 10:00am and 3:30pm.
- Castellane municipality
- Alternating traffic controlled by lights, from Monday 26 October 2026 to Friday 22 January 2027
- Clue de Chasteuil (Rougon)
- Daytime closures, from Monday 2 November to Friday 11 December 2026
- Sources
- Département order no. 26-DRIT-1689-ATX of 12 October 2026; Rougon town hall, notice of 2 October 2026
- Today’s status
- inforoute04.fr, the roads website of the Alpes-de-Haute-Provence
Castellane municipality: alternating traffic controlled by lights
From Monday 26 October 2026 to Friday 22 January 2027, over about 650 m outside the built-up area (reference points 3+000 to 3+650), alternating one-way traffic will be controlled by lights from Monday 8am to Friday 5pm, day and night. On weekdays, from 8am to 5pm, traffic may be stopped for up to 10 minutes at a time. At weekends and on public holidays, traffic will alternate with priority given to one direction.
Département order no. 26-DRIT-1689-ATX of 12 October 2026 limits speed to 50 km/h, prohibits overtaking and parking within the worksite and its surroundings, and gives an estimated duration of 66 days of work over this period. Read the Département order (PDF) →
Clue de Chasteuil (Rougon municipality): daytime closures
According to Rougon town hall (notice of 2 October 2026), the Département of Alpes-de-Haute-Provence will carry out works to make the RD 952 safe at the Clue de Chasteuil: removing loose rock and securing the cliff. The works follow the debris flow of 2021, as the slope has remained exposed to the risk of rockfalls and debris flows.
From Monday 2 November to Friday 11 December 2026, the road will be closed Monday to Thursday from 8:15am to 12:30pm and from 2:00pm to 5:00pm, and on Fridays from 8:15am to 12:30pm, with two 15-minute reopenings, at 10:00am and 3:30pm, under manually controlled alternating traffic. The notice mentions no closure at weekends. Read the Rougon town hall notice →
When the two worksites overlap
From Monday 2 November to Friday 11 December 2026, both worksites will be active at the same time on the RD 952: if your journey takes you through both sections, allow for both the alternating traffic in Castellane municipality and the daytime closures at the Clue de Chasteuil.
Before setting off, check today’s status on inforoute04.fr, the roads website of the Département of Alpes-de-Haute-Provence.
Frequently asked questions
When is the Clue de Chasteuil closed?
According to Rougon town hall, from Monday 2 November to Friday 11 December 2026, the road will be closed Monday to Thursday from 8:15am to 12:30pm and from 2:00pm to 5:00pm, and on Fridays from 8:15am to 12:30pm, with two 15-minute reopenings, at 10:00am and 3:30pm, under manually controlled alternating traffic. The notice mentions no closure at weekends.
Is the RD 952 closed in Castellane municipality?
Not continuously. From Monday 26 October 2026 to Friday 22 January 2027, traffic will alternate, controlled by lights from Monday 8am to Friday 5pm, day and night, and with priority given to one direction at weekends and on public holidays. On weekdays, from 8am to 5pm, it may be stopped for up to 10 minutes at a time.
Can you get through at weekends?
In Castellane municipality, traffic still alternates at weekends and on public holidays, with priority given to one direction. At the Clue de Chasteuil, the Rougon town hall notice mentions no closure at weekends. Check today’s status on inforoute04.fr before setting off.