On the occasion of the anniversary Bahnwelttage 2016 “40 years railway museum”, the ground-breaking ceremony for the reconstruction of the roundhouse took place with representatives from the politics of the city of Darmstadt, the sponsors of the museum, the commissioned architect and friend of the Bahnwelt, Helmut Schmidt, representatives of the railway directorate Mainz,  the Royal Prussian and Grand Ducal Hessian State Railways as well as the surrounding state railways.