Complex sentence: Hither Green (London) Traction Maintenance Depot or Hither Green (London) TMD is a rail depot used for the maintenance and servicing of freight trains, and is a hub for moving freight around southeast England.
Split into simpler sentences: Hither Green (London) Traction Maintenance Depot or Hither Green (London) TMD is a rail depot used for the maintenance and servicing of freight trains. It is a hub for moving freight around southeast England.