On 28 August 2026, a Mercedes-Benz UNIMOG U423 road-rail vehicle belonging to CROY arrived at the VUZ Test Centre Velim.

On 28 August 2026, a Mercedes-Benz UNIMOG U423 road-rail vehicle belonging to CROY arrived at the VUZ Test Centre Velim. The VUZ Testing Laboratory will carry out selected type tests on the vehicle, including a quasi-static safety against derailment test.