The signal box at Stowmarket is situated on the west side of the line at the Norwich end of the station. The signals are now controlled from Colchester but this box is reatined to supervise the level crossing.
<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>