M40 corridor Main towns/cities served Settlements on M40 corridor

| Place | Population | Ceremonial_County | Main_Railway_station | Motorway_junction |
|---|---|---|---|---|
| Gerrards Cross / Chalfont St Peter | 19622 | Buckinghamshire | Gerrards Cross | 1 |
| Beaconsfield | 10679 | Buckinghamshire | Beaconsfield | 2 |
| High Wycombe Urban Area | 118229 | Buckinghamshire | High Wycombe | 34 |
| Thame | 10886 | Oxfordshire | Haddenham and Thame Parkway | 7 |
| Oxford | 134248 | Oxfordshire | Oxford | 8,8A |
| Bicester | 28672 | Oxfordshire | Bicester North | 9 |
| Aylesbury Urban Area | 69021 | Buckinghamshire | Aylesbury | 8A,9 |
| Banbury | 43867 | Oxfordshire | Banbury | 11 |
| Leamington Spa | 45114 | Warwickshire | Leamington Spa | 15 |
| Warwick | 25434 | Warwickshire | Warwick | 15 |
| Stratford-upon-Avon | 23676 | Warwickshire | Stratford-upon-Avon | 15 |