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Drivers in the Munich area should prepare for significant traffic disruptions as the A99 eastern bypass will be completely closed for an entire weekend. The closure is necessary to facilitate the demolition of the aging B304 bridge at the Haar junction.
Closure Details
The A99 will be inaccessible in both directions between the Munich-East (München-Ost) and Munich-South (München-Süd) motorway junctions.
- Start: Friday, November 20, 2026, at 8:00 PM
- End: Monday, November 23, 2026, at 5:00 AM
During this period, only the Hohenbrunn and Ottobrunn junctions (direction Salzburg) and the Haar junction (direction Nuremberg/Stuttgart) will remain open between the two main motorway junctions.
Recommended Actions for Drivers
The motorway operator, Autobahn GmbH, strongly advises avoiding unnecessary travel in the greater Munich area during this weekend. Due to the high volume of traffic typically using this route (approximately 96,000 vehicles per day), significant congestion is expected on all surrounding roads.
Tips to avoid major delays:
- Avoid the area: If possible, postpone non-essential trips.
- Use public transport: Consider using trains or other public transport options to bypass the road network.
- Plan extra time: If you must drive, allow for significant additional travel time.
- Use wide-area detours: Avoid small residential streets and local shortcuts, which are likely to become quickly overwhelmed. Long-distance traffic is encouraged to use the A3 towards Regensburg/Passau or the A94 as alternative routes.
Background on the Construction
The B304 bridge, built in 1973, has reached the end of its service life and shows significant structural damage. While it remains safe for current traffic, it is no longer suitable for heavy transport. A temporary bridge has been constructed south of the existing structure to maintain traffic flow on the B304 during the construction period, which is scheduled to last until December 2028.
Source: BR24
