The A8 between Interlaken-Ost and Brienz has been undergoing extensive renovation since 2021. The work was originally scheduled to be completed by the end of 2024. Due to the severe weather disaster in Brienz on 12 August, the night closures had to be suspended for two weeks and the necessary single-lane section could not be set up until mid-October, two months behind schedule. This delay could not be made up by the end of 2024. As a result, a final construction phase with night closures and a single-lane section has been underway since the beginning of March 2025.
The last regular night closure took place on the night of 8/9 May 2025. East of the Chüebalm tunnel, a single-lane section was still in place for the renovation of the bridge there. This section was reopened during a final night closure on the night of 26/27 May. Since 6 a.m. on 27 May, the work has been officially completed and the A8 at the lake of Brienz is once again open to traffic without restrictions.
Various finishing works will be carried out over the coming months. Most of these will take place outside the street and will not affect traffic, but a few night closures will still be necessary in the coming months. In addition, the Glooten rest area will remain closed for renovation until around the beginning of November 2025.