A 1972 Tube Stock set arrives at South Kenton. These are the oldest cars on the Underground operating on the Bakerloo line. Recently announced, these will be replaced near 2025.
Over and under with the Underground. The oldest stock on the system has passed under the newest in South Kenton. The 1972 stock is on the Bakerloo, the new S stock above on the Met.
The newest stock on the 150 year old London Underground departs Notting Hill Gate. When originally opened the underground used steam power which required ventilation.