 With the opening of the extension to Robertsbridge , there were three trains a day , with two on Sundays . These were augmented by an additional train daily when the extension to Bopeep Junction opened . In 1860 , there were seven up trains and six down trains daily ; Hastings to London via Redhill taking two hours . From 1861 , Cudworth 2 @-@ 2 @-@ 2 " Little Mail " class locomotives were introduced . In 1876 , the Sub @-@ Wealden Gypsum Co built a 1 mile ( 1 @.@ 6 km ) long line from a junction south of Mountfield Tunnel to a gypsum mine located in Great Wood , Mountfield . This line was still in operation as of 2007 . Bogie carriages entered service on the line in 1880 . In 1890 , the winter service was eleven trains each way , of which five were fast . [ Note 6 ] An additional two trains daily operated between Tunbridge Wells and Wadhurst . By 1910 , this had increased to twenty trains each way , of which twelve were fast , plus the extra two Wadhurst services . Four trains ran on Sundays . The service was reduced during World War I , but Sunday services had increased to seven by 1922 . 
