This structure was the second signal box to be located in the vicinity of Hellifield Junction. It is located at the south-east end of the 'down' platform and it became operational on 11 June 1911. Like its predecessor (see Location ID 231220), it was built to control train movements through Hellifield Junction itself, through the station area (in conjunction with Hellifield North Junction Signal Box), and along the two sets of 'up' & 'down' main lines to the south of the station. It is still operational, although it now coordinates with Settle Junction Signal Box to the north.
Records indicate that the signal boxes at the south end of Hellifield Station have had at least three different names. Previous names include 'Hellifield Junction South Signal Box' and 'Hellifield South Junction Signal Box' and the latter still appears on the name boards fixed to the outside of the box. However, the name was officially shortened to 'Hellifield' on 27 March 1966 (after the closure of Hellifield North Junction Signal Box removed the need to differentiate between the two structures).
One of the key features used to classify and date Midland Railway signal boxes is the design of their window frames. However, when the windows of this signal box were last replaced, the standard design for 'Midland type 4c' signal boxes was not strictly followed. (The differences can be seen by comparing some of the 'elevation view' photographs on this page.)
