It is 15 miles 50 chains (25.1 km) measured from King's Cross on the East Coast Main Line.
[2] Welham Green is just south of the scene of the Hatfield rail crash in 2000 and was initially identified in BBC broadcasts as the location of the accident.
[4] A booking office, open during the morning rush hour, is located on the northbound platform and is reached, from the west, through the station car park.
A self-service 'Shere' ticket machine was installed in Autumn 2008 on the road overbridge, at the entrance to the northbound platform.
All services at Welham Green are operated by Great Northern using Class 717 EMUs.