In County Durham In the North-East of England lies the town of Darlington. Its railway station is located on the East Coast Main Line approximately 232 miles north of London King’s Cross and is situated between Northallerton to the south and Durham to the north. During the 1990s quite a mix of traffic could be seen including the regular main line passenger service with a variety of freight traffic to and from the Tees Valley line serviced by the nearby Tees Yard and other locations.