(https://i.imgur.com/zL67qka.jpg)
Somewhere in Belconnen.
In use? Whoops, there's a new network on now :o
(after checking)
Oh yeah, it's still being used.
Although the drawing only depicts one stop (the Concrete C#elter), the other stop would've been on the bottom-left side of the drawing (no shelter). The bench inside the shelter has been painted TC grey.
Street name starts with a 'C'.
The answer was: Companion Crescent, bus stops #4200/#4199.
Mum requested the two Potter Travel coaches.
(https://i.imgur.com/NWhoRXK.jpg)