As reported by the Bolesławiec firefighters:

On November 8, 2023, from 10:00 a.m. to 1:00 p.m., county-level exercises will be held at the Van Werven Poland Sp. z o.o. plant, located within the Krzywa subzone of the Legnica Special Economic Zone, to test the Bolesławiec County Rescue Plan.

They also add:

As a result, temporary disruptions to road traffic may occur within the zone and on access roads.