There was a level crossing across the tracks at the south end of the station but this and the signal box closed in November 1970 when the line was resignalled.

Services at Slade Green are operated by Southeastern and Thameslink using Class 376, 465, 466, 700 and 707 EMUs.

The typical off-peak service in trains per hour is:[5] Additional services, including trains to and from London Cannon Street via Sidcup call at the station during the peak hours.

Rail Freight studies seeking to extend traffic in the opposite direction, with a planned multi modal distribution centre between Slade Green and Dartford, meant that extending Crossrail beyond Slade Green would require additional tracks and possibly a viaduct.

From 2009, the commuter route through Slade Green has been safeguarded for future Crossrail extensions.