Route:
G21 to Aberfoyle Hub
- Stop 2 King William Rd - South East side
- Stop 1 King William Rd - East side
- Stop A2 King William Rd - East side
- Stop C2 King William St - East side
- Stop E1 King William St - East side
- Stop W1 Grote St - South side
- Stop W2 Grote St - South side
- Stop W3 Grote St - South side
- Stop H1 Morphett St - East side
- Stop X1 Sturt St - South side
- Stop Y1 Sturt St - South side
- Stop J1 West Tce - East side
- Stop L1 Goodwood Rd - East side
- Stop 1 Goodwood Rd - East side
- Stop 2 Goodwood Rd - East side
- Stop 3 Goodwood Rd - East side
- Stop 4 Goodwood Rd - East side
- Stop 5 Goodwood Rd - East side
- Stop 6 Goodwood Rd - East side
- Stop 7 Goodwood Rd - East side
- Stop 8 Goodwood Rd - East side
- Stop 9 Goodwood Rd - East side
- Stop 10 Goodwood Rd - East side
- Stop 11 Goodwood Rd - East side
- Stop 12 Goodwood Rd - East side
- Stop 13 Goodwood Rd - East side
- Stop 14 Goodwood Rd - East side
- Stop 15 Goodwood Rd - East side
- Stop 16 Goodwood Rd - East side
- Stop 17 Goodwood Rd - East side
- Stop 18 Goodwood Rd - East side
- Stop 19 Goodwood Rd - East side
- Stop 20 Fiveash Dr - East side
- Stop 21 Fiveash Dr - East side
- Stop 22 Fiveash Dr - East side
- Stop 23 Fiveash Dr - East side
- Stop 24 Ayliffes Rd - South side
- Stop 24A Ayliffes Rd - South side
- Stop 25 Main South Rd - South East side
- Stop 26 Main South Rd - South East side
- Stop 26A University Dr - East side
- Stop 26B University Dr - East side
- Stop 26D University Dr - East side
- Zone C Flinders Medical Centre
- < 1 stop away
- Stop 28 Main South Rd - South East side
- Stop 29 Main South Rd - South East side
- Stop 30 Flagstaff Rd - East side
- Stop 31 Flagstaff Rd - East side
- Stop 32 Flagstaff Rd - North East side
- Stop 33 Flagstaff Rd - East side
- Stop 34 Flagstaff Rd - East side
- Stop 35 Flagstaff Rd - East side
- Stop 36 Black Rd - North side
- Stop 37 Black Rd - North West side
- Stop 38 Black Rd - North side
- Stop 38A Black Rd - North side
- Stop 39 Ridgway Dr - East side
- Stop 40 Memford Way - North side
- Stop 41A Black Rd - North East side
- Stop 42 Black Rd - North side
- Stop 43 Black Rd - North side
- Stop 44 Oakridge Rd - North East side
- Stop 45 Oakridge Rd - North East side
- Stop 45A Sunnymeade Dr - South East side
- Stop 46 Sunnymeade Dr - East side
- Stop 47 Sunnymeade Dr - South side
- Stop 47A Sunnymeade Dr - South side
- Stop 49 Hub Dr - East side
- Stop 51 Hub Dr - East side
- Stop 52 Hub Dr - East side
- Stop 53 Hub Dr - South East side
- Stop 53H Hub Dr - South side
- Zone B Aberfoyle Hub Interchange
G21 to City
No scheduled service for the G21 to City at this time.
- Zone C Aberfoyle Hub Interchange
- Stop 53H Hub Dr - North side
- Stop 53 Hub Dr - North West side
- Stop 52 Hub Dr - West side
- Stop 51 Hub Dr - West side
- Stop 49 Hub Dr - West side
- Stop 47A Sunnymeade Dr - North side
- Stop 47 Sunnymeade Dr - North side
- Stop 46 Sunnymeade Dr - West side
- Stop 45A Sunnymeade Dr - North West side
- Stop 45 Oakridge Rd - South West side
- Stop 44 Black Rd - South side
- Stop 43 Black Rd - South side
- Stop 42 Black Rd - South West side
- Stop 41A Black Rd - South West side
- Stop 40 Memford Way - South side
- Stop 39 Ridgway Dr - West side
- Stop 38A Black Rd - South side
- Stop 38 Black Rd - South side
- Stop 37 Black Rd - South East side
- Stop 36 Black Rd - South side
- Stop 35 Flagstaff Rd - West side
- Stop 34 Flagstaff Rd - West side
- Stop 33 Flagstaff Rd - West side
- Stop 32 Flagstaff Rd - South West side
- Stop 30 Flagstaff Rd - West side
- Stop 29 Main South Rd - North West side
- Zone A Flinders Medical Centre
- Stop 26D University Dr - West side
- Stop 26B University Dr - West side
- Stop 26A University Dr - West side
- Stop 26 Sturt Rd - North side
- Stop 26 Shepherds Hill Rd - West side