Complex sentence: The crossings/halts usually take the name of the farmer or the farm as is the case here, but these unofficial halts never appear in timetable materials or have nameboards fitted to show their names.
Split into simpler sentences: The crossings/halts usually take the name of the farmer or the farm as is the case here. Small stops such as this are largely unofficial and never appear in timetable materials or have nameboards fitted to show their names.