On the line 2650 Köln Messe/Deutz - Hamm (Westf.) in the section Leverkusen Mitte - Langenfeld (Rhld.), the track was fundamentally overhauled in summer 2021 with complete ballast renewal and renewal of the ballastless track including crossings. RAILONE supplied almost 2,700 wide sleepers for 1.6 km of track.