- A321 between A4 and A4130, Wokingham (Grid ref SU786800)
- A321 between A3032 and A4, Wokingham (Grid ref SU786765)
- A321 between B3030 and A3032, Wokingham (Grid ref SU792748)
- A321 between B3034 and B3030, Wokingham (Grid ref SU800733)
- A321 between B3016 and Denmark St roundabout, Wokingham (Grid ref SU804670)
- A321 between Matthewsgreen Rd, Wokingham and B3034, Wokingham (Grid ref SU807700)
- A321 between A329 and Matthewsgreen Rd, Wokingham (Grid ref SU808692)
- A321 between Denmark St roundabout and A329, Wokingham (Grid ref SU809683)
- A321 between Wellington Road roundabout and A329, Wokingham (Grid ref SU810683)
- A321 between Wokingham boundary and B3016 Finchampstead Rd, Wokingham (Grid ref SU816650)
- A321 between Church Rd, Sandhurst and Bracknell Forest boundary, Bracknell Forest (Grid ref SU824625)
- A321 between A3095 and Church Rd, Bracknell Forest (Grid ref SU830615)
- A321 between A30 and A3095, Bracknell Forest (Grid ref SU845610)
- A321 between M3 spur and M3 spur, Surrey (Grid ref SU867582)