| Route | Marylebone to Claydon L&NE Jn Line |
| Section | Harrow-on-the-Hill South Jn to former Quainton Road Jn |
| Remarks | TfL controlled 9M 0353y to 25M 0462y Temporarily out of use from 43M 1386y (HS2 Worksite) |
| Maps | MCJ2 Interactive • Local: Kenton , Croxley Green , Aylesbury , ELR change MCJ2-MCJ3 |
| ELR Extent | 9M 0353y to 44M 1112y • 35.431 miles • 57.021 km |
| Measured 57.139 km (+117 m, relative to reported extent) ⚠️ | |
| Track ID Extents | ☐ 9M 0353y to 9M 0389y • 0.020 miles • 0.033 km |
| ☒ 9M 0389y to 44M 0594y • 35.116 miles • 56.514 km | |
| ☐ 44M 0594y to 44M 1112y • 0.294 miles • 0.474 km | |
| Grouping | MCJ1 , MCJ2 , MCJ3 , MCJ4 |
| Neighbours | MCJ1 , MCJ3 , PRA |
| NR Region | 🟥 North West & Central |
| LOR | 🟣 MD711 Northwick Park to Amersham (TfL controlled) 🟣 MD712 Amersham to Aylesbury 🟣 MD726 Aylesbury to Claydon West Jn |
| TRACKmaps | 🔴 Midlands & North West |
| Urban Areas | Harrow, Hillingdon, Aylesbury |
Administrative Areas and Nearest Places
From To Country Administrative Area 9 12 ● England Harrow 12 ● 14 ● England Hillingdon 14 ● 19 ● England Hertfordshire 19 ● 44 ●● England Buckinghamshire From To Nearest Place District / County Proximity 9 9 ●● Greenhill Greater London - Harrow Distant → Remote 9 ●● 9 ●●● Harrow Greater London - Harrow Remote 9 ●●● 10 ● West Harrow Greater London - Harrow Remote 10 ● 11 North Harrow Greater London - Harrow Near → Remote 11 12 ● Pinner Greater London - Harrow Adjacent → Remote 12 ● 12 ●● Pinner Green Greater London - Harrow Remote 12 ●● 13 ●● Northwood Hills Greater London - Hillingdon Adjacent → Remote 13 ●● 14 ● Northwood Greater London - Hillingdon Adjacent → Distant 14 ● 15 Eastbury Hertfordshire - Three Rivers Distant → Remote 15 15 ●●● Moor Park Hertfordshire - Three Rivers Remote 15 ●●● 16 ●● Croxley Green Hertfordshire - Three Rivers Remote 16 ●● 17 ●●● Rickmansworth Hertfordshire - Three Rivers Near → Remote 17 ●●● 18 ● Moneyhill Hertfordshire - Three Rivers Remote 18 ● 18 ●● Mill End Hertfordshire - Three Rivers Remote 18 ●● 19 ●● Chorleywood Bottom Hertfordshire - Three Rivers Near → Remote 19 ●● 20 Chorleywood Hertfordshire - Three Rivers Adjacent → Distant 20 20 ●● Chorleywood West Hertfordshire - Three Rivers Distant → Remote 20 ●● 21 Chenies Buckinghamshire - Chiltern Remote 21 22 ●● Little Chalfont Buckinghamshire - Chiltern Adjacent → Remote 22 ●● 23 ●● Amersham Common Buckinghamshire - Chiltern Near → Remote 23 ●● 23 ●●● Amersham on the Hill Buckinghamshire - Chiltern Near 23 ●●● 24 ●●● Amersham Buckinghamshire - Chiltern Near → Remote 24 ●●● 25 Chesham Bois Buckinghamshire - Chiltern Remote 25 25 ● Hyde Heath Buckinghamshire - Chiltern Remote 25 ● 27 ● Little Missenden Buckinghamshire - Chiltern Near → Remote 27 ● 28 ● Little Kingshill Buckinghamshire - Chiltern Remote 28 ● 30 Great Missenden Buckinghamshire - Chiltern Adjacent → Remote 30 30 ●● Hunt’s Green Buckinghamshire - Chiltern Remote 30 ●● 32 ● Wendover Dean Buckinghamshire - Aylesbury Vale Adjacent → Remote 32 ● 32 ●● Kingsash Buckinghamshire - Chiltern Remote 32 ●● 34 Wendover Buckinghamshire - Aylesbury Vale Near → Remote 34 35 World’s End Buckinghamshire - Aylesbury Vale Distant → Remote 35 35 ● West End Buckinghamshire - Aylesbury Vale Remote 35 ● 36 ●●● Stoke Mandeville Buckinghamshire - Aylesbury Vale Near → Remote 36 ●●● 37 Bedgrove Buckinghamshire - Aylesbury Vale Remote 37 37 ●●● Walton Buckinghamshire - Aylesbury Vale Near → Remote 37 ●●● 38 ●●● California Buckinghamshire - Aylesbury Vale Adjacent → Remote 38 ●●● 40 ●● Haydon Hill Buckinghamshire - Aylesbury Vale Near → Remote 40 ●● 42 ●● Fleet Marston Buckinghamshire - Aylesbury Vale Near → Remote 42 ●● 43 ●● Waddesdon Buckinghamshire - Aylesbury Vale Remote 43 ●● 44 ●● Quainton Buckinghamshire - Aylesbury Vale Remote
| Milepost | Principal Features (More…) | Connections |
|---|---|---|
| 9 ● | Harrow-on-the-Hill South Jn | MCJ1 |
| 29 | GREAT MISSENDEN | |
| 33 ●● | WENDOVER | |
| 35 ●●● | STOKE MANDEVILLE | |
| 38 | Aylesbury Jn | PRA |
| 38 | AYLESBURY | |
| 40 ● | AYLESBURY VALE PARKWAY | |
| 44 ● | QUAINTON ROAD [HERITAGE] | |
| 44 ●● | former Quainton Road Jn | MCJ3 |