Cyclist dies on A66 autobahn in Hesse after collision involving 14 vehicles
A 39-year-old woman was killed near Wallau while riding on the left lane of the A66 between Wiesbaden and Frankfurt, prompting an investigation into how she entered the motorway.
Collision on the left lane
A 39-year-old female cyclist died during the early hours of Friday, 2 October 2026, on the Autobahn 66 in the state of Hesse. The fatal collision occurred at approximately 00:20 in the Hochheim area near the Wallau junction, located within the Main-Taunus-Kreis district. Initial findings from police investigators established that the woman was riding her bicycle along the far left lane of the motorway. That section of the carriageway carried traffic heading eastward from Wiesbaden toward Frankfurt am Main. A motorist driving his vehicle in the same left lane from the direction of Wiesbaden struck the cyclist from behind near the junction. The woman suffered severe trauma from the collision and died directly at the crash site before medical personnel could administer aid.
Involvement of multiple vehicles
Immediately after the first car struck the cyclist, both the woman and her bicycle were hit by multiple following vehicles. Police confirmed that a total of 14 vehicles were involved in the incident along that stretch of the motorway. Successive motorists travelling behind the first car on the left lane were unable to brake in time, striking the victim or running over the bicycle in the dark. The chain of secondary impacts scattered debris across the left and adjacent lanes near the Wallau exit. Emergency responders and police patrols cordoned off the involved vehicles to assess vehicle damage, verify the identities of all motorists, and secure the extensive perimeter.
- A 39-year-old cyclist is struck on the left lane of the A66 near Wallau by a car heading toward Frankfurt.
- Thirteen subsequent vehicles strike the cyclist, bicycle, or debris as police close the motorway section.
- The A66 is reopened to traffic after recovery operations and on-site investigation conclude.
Official investigation and expert analysis
Law enforcement officials and the public prosecutor's office have not yet determined why the 39-year-old cyclist was present on the motorway. Investigators are working to trace her preceding movements and clarify how and where she accessed the high-speed road network. By order of the public prosecutor, an independent accident reconstruction expert was dispatched to the crash site to examine the physical evidence. The specialist was instructed to analyze vehicle damage, collision trajectories, and road surface markings to determine the precise chronological order of impacts. Authorities announced that no additional details regarding the incident will be provided until the official expert evaluation is finalized and submitted to prosecutors.
Road closure and witness appeal
The motorway police station responsible for the A66 issued a formal appeal for witnesses to aid the ongoing investigation. Investigators requested that any motorists who noticed the cyclist prior to the crash or witnessed any part of the collisions contact the police station at 0611 345 4140. Officers instituted a full closure of the A66 carriageway in the Hochheim and Wallau sector to allow accident recording teams and recovery crews to work safely. The road closure remained in effect throughout the night as emergency teams documented forensic evidence and towed the 14 involved vehicles from the scene. Road maintenance teams finished clearing the carriageway of debris before morning, and traffic was fully reopened on Friday.


