Down Avranches, the RN175 in the direction Rennes-Caen is under construction. Traffic is changed and slowed down on this integrated portion of the A84.

From Monday 22 to Friday, October 26, 2018, the Interdepartmental Directorate of Roads North-West (Dirno) carries out work of renewal of the wearing course on the RN175 in the direction Rennes-Caen, at Avranches. The first tranche, in the Caen - Rennes direction, was carried out from 8 to 12 October 2018.

In the Rennes-Caen direction and on the portion of the road concerned, traffic is tilted to the other lane and the exit ramps are closed. Diversion routes are set up. The speed is limited to 50 km / h at the entrances and exit of the tilt and at 90 km / h in the area under construction. Slowdowns could occur during evening rush hours.