The railway tracks that were built along the Ruhr river had a relatively uniform grade that was suitable for railway operations at the time
सुरूवातीला केवळ रेल्वेसाठी पायाभुत बांधणी प्रकल्प चालवणाऱ्या इरकॉनने इतरही वाहतूक क्षेत्रांमध्ये काम करण्यास सुरूवात केली.