A81 exit Sindelfingen-Ost closed for a year: traffic jams and detours await!
A81 exit Sindelfingen-Ost closed until 2026: Expansion of the motorway between Böblingen and Sindelfingen begins. Alternative routes required.

A81 exit Sindelfingen-Ost closed for a year: traffic jams and detours await!
From Friday, July 20, 2025, there will be important information for drivers in the Sindelfingen region: The Sindelfingen-Ost exit towards Stuttgart will be closed for a whole year from 8 p.m. The reason for this measure is the expansion of the A81 motorway between Böblingen and Sindelfingen in order not only to improve the traffic situation, but also to increase user safety. That's what she reports Stuttgart News.
In the first phase of the work, this means that drivers will have to use alternative routes to get to the state capital. The nearest available driveway is Böblingen-Ost; However, the direct connection via the underpass on Leibnizstrasse will not be usable until the end of September. The diversion takes place via the Mahdentalbrücke and the old B14 or via the bridge on Sindelfinger/Böblinger Straße, which leads to the Goldberg S-Bahn station, which requires larger detours.
Details on the expansion of the A81
The planned expansion of the A81 between Sindelfingen-Ost and Böblingen-Hulb is being coordinated by DEGES on behalf of the federal government and the federal Autobahn GmbH. The current section has two lanes in each direction, but no hard shoulder. The expansion includes an increase to three lanes in each direction, accompanied by a wide shoulder to allow temporary clearances to improve traffic flow during peak times. This was done in one DEGES project report explained.
A significant element of the project is the capping of the A81 over a length of 850 meters in the Böblingen/Sindelfingen area, which will serve to provide additional traffic calming. In addition, around 3.4 kilometers of noise barriers will be built to protect residents from traffic noise emissions. The construction work also includes the demolition and construction of all overpass and underpass structures, which will result in a comprehensive restructuring of the junction concept.
Production dates and other measures
The entire route expansion is expected to be completed in May 2024, while the replacement bridge over the A81 on the K1073 is planned for February 2024. These measures are part of a larger project that is being implemented in collaboration with the state of Baden-Württemberg, the Böblingen district and the cities of Böblingen and Sindelfingen. The start of construction for the replacement of the K1073 overpass dates from February 2021, and there have already been several important steps that led to the completion of this project, such as the demolition of the old railway bridge in the Sindelfingen-Ost area in 2021.
While there are numerous other highway projects underway alongside this work that are intended to improve traffic flow in the region, it is important that affected road users become aware of the diversions and closures in order to adjust their routes accordingly. The Ministry of Transport is in contact with the relevant authorities on this matter to ensure the smooth running of the project, which in a Article from Meinauto is to be read.