Wiltshire Libraries Mobile Van visits Stratford Sub Castle - Castle Keep, fortnightly (from February 2018) on a Wednesday morning from 11:00 to 11:25
The dates have been added to the website calendar and can also be obtained from Wiltshire Libraries.
Note that Stratford sub Castle appears on two different schedules -
Wednesday Week 1 - Route C and
Wednesday Week 3 - Route M.