Overview
- Polystyrene foam scattered near knooppunt Hoevelaken caused major congestion for Amsterdam-bound commuters early Monday.
- Rijkswaterstaat temporarily blocked three lanes to remove the debris and reopened the motorway around 07:50.
- ANWB measured peak delays of roughly one to one-and-a-half hours around 07:30, with queues shrinking quickly once lanes were cleared.
- Drivers were advised they could detour via the A28 toward Utrecht during the closure.
- How the foam ended up on the roadway remains unknown according to official and local reports.