TfL unit 360202 arriving at Ealing Broadway with a service from Heathrow Airport. The airport used to operate these services jointly with First group but they have been transferred to Arriva's TfL Rail network in advance of the new Elizabeth line opening across London. When that happens new 'Aventra' class 345s will be rostered but for the time being the old units continue in service as the new ones are not yet cleared to operate in the tunnels beneath the airport.
<a href="//commons.wikimedia.org/wiki/User:Geof_Sheppard" title="User:Geof Sheppard">Geof Sheppard</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>