The SER line to Hastings passes through Tunbridge Wells; here there was once a further branch connection south-eastwards to Groombridge, and at Paddock Wood is the southern terminus of the Medway Valley Line to Maidstone.
Rusthall originally formed part of Speldhurst civil parish (together with Ashurst, Groombridge, Langton and Speldhurst) when it was formed in 1894.
At present the parish of Speldhurst is part of a united parish with Ashurst and Groombridge.
The Spa Valley Railway, a heritage railway, now connects the High Rocks pub beyond the High Rocks turnstiles to Tunbridge Wells, Groombridge and Eridge (on the London-Uckfield line of Southern Railway).
William Ironside Groombridge was secretary of English football club Gillingham (known for much of his tenure as New Brompton F.C.) from 1896 until 1923.
New Groombridge is also within the parish, Old Groombridge is in the Speldhurst District of Kent.