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The A99 motorway, a critical part of Munich’s eastern bypass, is scheduled for a complete closure for an entire weekend in late November 2026. This disruption is necessary to allow for the demolition of an aging bridge located at the Haar junction.
Closure Details and Traffic Impact
The closure is scheduled to begin on Friday, November 20, 2026, at 8:00 PM and will last until Monday, November 23, 2026, at 5:00 AM. During this period, the A99 will be impassable in both directions between the Munich-East and Munich-South motorway junctions.
The Autobahn GmbH, responsible for the infrastructure, has warned of significant traffic congestion. The high volume of traffic, averaging 96,000 vehicles daily, cannot be absorbed by a single detour route. Traffic will be dispersed across various regional roads and alternative motorway connections.
Recommended Travel Adjustments
- Avoid unnecessary travel in the Munich metropolitan area during the closure weekend.
- Plan for substantial additional travel time if trips are unavoidable.
- Utilize long-distance detours, such as the A3 towards Regensburg/Passau or the A94, to bypass the affected area.
- Avoid using residential streets or smaller local roads as shortcuts, as these are expected to become quickly overwhelmed.
Infrastructure Upgrades
The bridge currently carrying the B304 federal road over the A99 was constructed in 1973. Due to its age, it has sustained significant structural damage and requires urgent replacement. While the structure remains safe for current use, safety restrictions have already been implemented to prohibit heavy-load transport.
To maintain traffic flow on the B304, a temporary bridge has been erected south of the existing structure. This temporary crossing will handle all traffic, including pedestrians and cyclists, for the duration of the construction project, which is slated for completion in December 2028.
Authorities emphasize that while efforts to divert long-distance traffic will be made well in advance, major traffic disruptions in the greater Munich area are inevitable.
Source: BR24
