16: operated by Arriva
Route: Aylesbury - AYLESBURY VALE PARKWAY - Waddesdon - Grendon Underwood - Calvert - Steeple Claydon - Charndon - Twyford - Marsh Gibbon - Launton - Bicester
On Mondays to Fridays four services call at Aylesbury Vale Parkway in the morning rush-hour and four in the evening rush-hour.
Holders of a monthly or longer Chiltern Railways Season Ticket to/from Aylesbury Vale Parkway can use these buses free of charge to/from Waddesdon, Quainton, Westcott or Steeple Claydon.
| sch | nsch | ||||
| Steeple Claydon, Fountain | ... | ... | ... | 0732 | 0736 |
| Westcott, Linett Drive | 0605 | 0635 | 0740 | ... | ... |
| Quainton, Green | 0614 | 0644 | 0749 | ... | ... |
| Waddesdon, Anstey Close | 0622 | 0651 | 0757 | 0800 | 0803 |
| Aylesbury Vale Parkway | 0626 | 0656 | 0803 | 0808 | 0810 |
| Train leaves for Marylebone | 0642 | 0713 | 0817 | 0817 | 0817 |
| Train arrives at Marylebone | 0742 | 0815 | 0916 | 0916 | 0916 |
sch: schooldays only / nsch:non-schooldays only
| Train leaves Marylebone | 1642 | 1716 | 1747 | 1818 |
| Train arrives at Aylesbury Vale Parkway | 1742 | 1815 | 1846 | 1917 |
| Aylesbury Vale Parkway | 1801 | 1826 | 1856 | 1936 |
| Waddesdon, Anstey Close | 1808 | 1832 | 1902 | 1942 |
| Quainton, Green | ... | 1841 | 1911 | 1951 |
| Westcott, Linett Drive | 1814 | 1849 | 1919 | 1959 |
| Steeple Claydon, Fountain | 1842 | ... | ... | ... |