The ticket office at Westbury is at road level. From here a subway passes under the tracks to give access by stairs and lifts to the two groups of platforms above.
<a href="//commons.wikimedia.org/wiki/User:Geof_Sheppard" title="User:Geof Sheppard">Geof Sheppard</a>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>