The new platform 1 at Bristol Parkway station was brought into use in 2018. 150121 is running empty from Cheltenham to Bristol but has been put through the new platform loop to allow a CrossCountry service to use the original southbound platform to overtake it.
<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>