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Information bulletin
Summer 2026 roadworks on the national routes in the West
Automatically translated from French ·
Published on Saturday, September 12, 2026 at 3:39 PM
During summer 2026, numerous maintenance, development, and renovation works will be carried out on national roads in the regions of Brittany, Pays de Loire, Centre-Val de Loire, and Normandy. Traffic restrictions, including night closures, lane reversals, and speed reductions, will be applied on several major routes, including the A11, A28, Pont de Normandie, and N12.
During the summer of 2026, national road network managers carry out numerous maintenance, bridge structure, and improvement works on national roads in the regions of Brittany, Pays de Loire, Centre-Val de Loire, and Normandy.
Main ongoing works:
- A11: Road surface renovation works between Sablé (49) and Corzé (72), in both directions, from 1 September to 4 December 2026, with lane reversal, 24/7 from Monday to Friday.
- A11: Works between Saint-Germain des PrĂ©s (49) and Ancenis (44), direction Nantes to Paris, from 24 August to 2 October 2026, with lane closures during weeks 35â36 and lane reversal during weeks 37â40.
- A28: Reconstruction of the central reservation between ChĂąteau du Loir (72), from 31 August to 4 December 2026, with left-hand lanes closed.
- A71: Rehabilitation of gutters at Saint-Amand-Montrond (18), from 31 August to 25 September 2026, left-hand lanes closed from Monday 7:00 a.m. to Friday 1:00 p.m.
- A83: Creation of a temporary traffic control zone on RD178 at Le Bignon (44), from 13 April to 30 September 2026, speed limit reduced to 70 km/h and trucks prohibited from overtaking.
Works on national roads:
- N12: Roadway reversal between Ploumagoar and Plouizy (22), from 24 August to 4 November 2026, with exceptions on weekends 19/20 September and 10/11 October.
- N137: Between HĂ©ric and Grandchamp des Fontaines (44), nighttime closure from Monday to Friday, 9:00 PM to 6:00 AM, from August 31 to October 16, 2026.
- N844: Nantes ring road, inner direction, nighttime closure from Monday to Friday, 9:00 PM to 6:00 AM, from August 24 to October 23, 2026.
- N164: Loudéac (22), closure of the Rennes to Chateaulin direction, 24/24, from late 2025 to late 2026.
- N175: Avranches (50), road widening, closure and detour until October 15, 2026.
- N182: Tancarville Bridge (76), one lane neutralized per direction, from July 13 to August 30, 2026, excluding weekends.
- N1029: Normandy Bridge (76), temporary closure of one lane, from July 15 to August 30, 2026, 24/24 from Monday to Thursday.
- N1338: Flaubert Bridge (76), closure of the route for several nights, from early October 2022 until end of August 2026.
Precautions:
- Most construction sites maintain traffic restrictions on weekends.
- Work is often carried out during nighttime or daytime hours, depending on the route.
- Speed limits and no-overtaking restrictions apply on certain sections, particularly for heavy goods vehicles.
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