Serious accident on B12 near Stammham – two injured and closure!
B12 closed after a serious traffic accident near Stammham in Altötting. Injured people and large fire department operation on site.

Serious accident on B12 near Stammham – two injured and closure!
This Sunday morning, November 9th, 2025, there was a serious traffic accident on the B12 near Stammham in the Altötting district, which blocked the road in both directions. The accident occurred around 8:30 a.m., near Niedergottsau, which led to the closure between the bridge to the B20 and the bridge to the A94. According to a spokesman for the Altötting district fire department, Moritz Piechotka, it was a “serious traffic accident” with an extensive fire department operation.
Several people were injured in the incident, including two whose medical conditions were unclear at the time. A person had to be freed from a vehicle, which required the intervention of the fire departments from Niedergottsau, Marktl, Marktlberg, Alzgern, Neuötting and Buch. Numerous emergency services and police were on site to look after the injured. The situation was serious and further details are still awaited as the article will be updated as new information emerges.
Emergency forces and their reactions
The emergency services looked after the injured and took all necessary measures to secure the scene of the accident. The fire department speaks of a hectic but well-coordinated operation that demonstrated the efficiency and cooperation of the various fire departments. The diversions have been put in place and road users should prepare for longer waiting times.
This incident shows once again how quickly serious accidents can occur on the roads. The full closure is an indication of the urgency with which the authorities and rescue workers had to act to ensure the safety of everyone involved.
Health aspects in everyday life
Older people or people with absorption problems in particular should consider taking additional B12. While it offers many benefits, it should also be noted that high doses can cause side effects. So a healthy balance is key.