| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| ROV/TRI/JAG/AUS/MG | GEX1321 | Direct Cross Interchange | 1 |
| ROV/TRIU/JAGU/AUSTIN | GEX1321 | Direct Cross Interchange | 1 |
| ROVER/TRIUMPH/AUSTIN | GEX1321 | Direct Cross Interchange | 1 |
| ROVER/AUSTIN | GEX1321 | Direct Cross Interchange | 1 |
| AUSTIN/MG | GEX1321 | Direct Cross Interchange | 1 |
| TRIUMPH | GEX1321 | Direct Cross Interchange | 1 |
| ROVER | GEX1321 | Direct Cross Interchange | 1 |
| MG | GEX1321 | Direct Cross Interchange | 1 |
| AUSTIN | GEX1321 | Direct Cross Interchange | 1 |
| BOSAL | 763067 | Direct Cross Interchange | 1 |
| AUSTIN-HEALEY | GEX1321 | Direct Cross Interchange | 1 |
| KLARIUS | MG22H | Indirect Cross Interchange | 11 |