37425 Sir Robert McAlpine / Concrete Bob labours slowly out of the Severn Tunnel and approaches Pilning on 13 March 1989 with the 6C34 10:40 Radyr to Exmouth Junction Speedlink Network Coal service. As late as the 1980s there was still a healthy demand for domestic coal trains such as this, hence the establishment of a dedicated (albeit small) network of services. However, this was not to last long, and within a few years this became another class of freight lost to rail.