sentences:  However, SBB Infrastructure will retain responsibility for the marshalling yards themselves, remain the contact partner for rail transport activities and continue to ensure the provision of traffic control, thus guaranteeing equal treatment.SBB Cargo Deutschland GmbH, headquartered in Duisburg (Germany) and founded in 2002, is a wholly owned subsidiary of SBB Cargo International, operating as its German production company.As a registered railway company for freight services, it plans, schedules and operates block trains in Germany to and from Duisburg, Rheinhausen, Siegen, Cologne, Aachen, Ludwigshafen/Mannheim, Karlsruhe, Stuttgart, Freiburg im Breisgau, Singen, Lübeck, Bremerhaven/Bremen, Hamburg, Kehl, Gelsenkirchen, Ingolstadt, Neuss, Gießen/Mainzlar and Weil am Rhein, while rail-to-road platforms in Germany are operated in Bremen, Duisburg, Karlsruhe, Worms and Weil am Rhein.