An enhanced timetable on Wednesdays and Fridays in August, featuring two steam trains (A and B), with additional services provided by the visiting 4-Car Hastings Diesel Unit (HDU).

There are also additional Railway 200 activities at Horsted Keynes station on these days.

Hastings Diesels' 4-car unit at Horsted Keynes, 6 July 2025 (Richard Salmon)
StationsDepart / ArriveHDUABHDUABAHDU
Sheffield Park StationDepart-10:30 am11:45 am12:25 pm1:00 pm2:15 pm3:30 pm4:45 pm
Horsted Keynes StationArrive-10:45 am12:00 pm12:40 pm1:15 pm2:30 pm3:45 pm5:00 pm
Horsted Keynes StationDepart-10:47 am12:02 pm12:42 pm1:20 pm2:32 pm3:47 pm5:02 pm
Kingscote StationArrive-11:02 am12:17 pm12:57 pm1:35 pm2:47 pm4:02 pm5:17 pm
Kingscote StationDepart-11:03 am12:18 pm12:59 pm1:36 pm2:48 pm4:03 pm5:18 pm
East Grinstead StationArrive-11:10 am12:25 pm1:06 pm1:43 pm2:55 pm4:10 pm5:25 pm
StationsDepart / ArriveHDUABHDUABAHDU
East Grinstead StationDepart10:15 am11:30 am12:45 pm1:20 pm2:00 pm3:15 pm4:30 pm-
Kingscote StationArrive10:22 am11:37 am12:52 pm1:28 pm2:07 pm3:22 pm4:37 pm-
Kingscote StationDepart10:24 am11:39 am1:01 pm1:38 pm2:09 pm3:24 pm4:39 pm-
Horsted Keynes StationArrive10:39 am11:54 am1:16 pm1:53 pm2:24 pm3:39 pm4:54 pm-
Horsted Keynes StationDepart10:50 am12:05 pm1:20 pm1:55 pm2:35 pm3:50 pm5:05 pm-
Sheffield Park StationArrive11:05 am12:20 pm1:35 pm2:10 pm2:50 pm4:05 pm5:20 pm-