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Chiltern Tunnel

Tunnel
Completed
Completed
Phase 1

Feature Details

Type:

Tunnel

Phase:

Phase 1

Status:

Completed
Completed

Related Media (36)

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2026-06-04 Chiltern Tunnel
HL

HS2 timelapse | Installing the first Chiltern tunnel cross-passage door

HS2 Ltd

4 Jun 2026

2026-05-31 South Heath to Wendover
KV

HS2 Update - South Heath to Wendover | May 2026

Karl Vaughan

31 May 2026

2026-03-25 South Heath to Wendover
KV

HS2 Update - South Heath to Wendover | Mar 2026

Karl Vaughan

25 Mar 2026

2026-03-21 Chiltern Tunnel South Portal
S

HS2 CHILTERN TUNNEL SOUTH PORTAL

SIMONC

21 Mar 2026

2026-01-31 South Heath to Wendover
KV

HS2 Update - South Heath to Wendover | Jan 2026

Karl Vaughan

31 Jan 2026

2026-01-22 Chiltern Tunnel
HL

Construction complete on HS2’s longest tunnel

HS2 Ltd

22 Jan 2026

2026-01-15 Chiltern Tunnel North Portal | Footpath GMI/12 Overbridge
JH

HS2 Chiltern tunnnel to Aylesbury January 2026

Jim H24

15 Jan 2026

2026-01-01 Chiltern Tunnel North Portal to Leather Lane Overbridge
C

HS2 Chiltern Tunnel North Portal

cuemaster

1 Jan 2026

2025-12-12 South Heath to Wendover
KV

HS2 Update - South Heath to Wendover | Dec 2025

Karl Vaughan

12 Dec 2025

2025-10-15 Chiltern Tunnel South Portal | Tilehouse Lane Overbridge
JM

HS2 South Portal Update 2025 | Major Engineering Progress & Tunnel Completion Explained

James MacLarnon

15 Oct 2025

2025-09-20 Tilehouse Lane Overbridge | Chiltern Tunnel South Portal
C

HS2 Colne Valley Western Slopes

cuemaster

20 Sept 2025

2025-08-27 Tilehouse Lane Overbridge | Chiltern Tunnel South Portal
HL

Wildlife begins to flourish at HS2’s largest habitat creation site 🐝🦋🌿

HS2 Ltd

27 Aug 2025

2025-08-09 Great Missenden to Wendover
JM

HS2 Great Missenden to Wendover, 1 Year Later

James MacLarnon

9 Aug 2025

2025-07-26 South Heath to Wendover
KV

HS2 Update - South Heath to Wendover | 26th July 2025

Karl Vaughan

26 Jul 2025

2025-06-29 Chiltern Tunnel North Portal | Footpath GMI/2 Overbridge | Leather Lane Overbridge
JH

HS2 from Chiltern Tunnel to Aylesbury June 2025

Jim H24

29 Jun 2025

2025-06-28 Chiltern Tunnel North Portal | Footpath GMI/12 Overbridge | Footpath GMI/2 Overbridge
C

HS2 Chiltern Tunnel North Portal

cuemaster

29 Jun 2025

2025-06-15 South Heath to Wendover
KV

HS2 Update - South Heath to Wendover | 15th June 2025

Karl Vaughan

15 Jun 2025

2025-05-30 Tilehouse Lane Overbridge | Chiltern Tunnel South Portal
C

HS2 Colne Valley Western Slopes

cuemaster

30 May 2025

2025-05-08 Chiltern Tunnel | Long Itchington Wood Tunnel
RF

HS2 Tunnel Update | Chiltern and Long Itchington

Rail Focus

8 May 2025

2025-02-13 Chiltern Tunnel North Portal
C

HS2 Chiltern Tunnel North Portal

cuemaster

13 Feb 2025

2025-02-02 South Heath to Wendover
KV

HS2 Update - Missenden Valley | 2nd Feb 2025

Karl Vaughan

2 Feb 2025

2025-01-08 South Heath to Wendover
KV

HS2 - The Plans for Missenden Valley

Karl Vaughan

8 Jan 2025

2025-01-02 Chiltern Tunnel North Portal
D

HS2 Wendover Dean + The Colne Valley | Drone Footage

djsviews

2 Jan 2025

2024-12-20 Chiltern Tunnel North Portal
C

HS2 Chiltern Tunnel North Portal

cuemaster

20 Dec 2024

2024-10-13 Chiltern Tunnel
HL

Six months on since historic breakthroughs for HS2’s longest tunnel

HS2 Ltd

13 Oct 2024

2024-09-06 Chiltern Tunnel South Portal
JM

HS2 South Portal

James MacLarnon

6 Sept 2024

2024-08-28 Chiltern Tunnel North Portal
C

HS2 Chiltern Tunnel North Portal

cuemaster

28 Aug 2024

2024-03-21 Chiltern Tunnel
HL

Final breakthrough for HS2’s longest tunnel

HS2 Ltd

21 Mar 2024

2024-02-27 Chiltern Tunnel
HL

Historic breakthrough for HS2’s longest tunnel

HS2 Ltd

27 Feb 2024

2023-11-23 Chiltern Tunnel
HL

HS2 Timelapse | Excavating a cross-passage inside HS2's longest tunnel

HS2 Ltd

23 Nov 2023

2023-02-01 Chiltern Tunnel
HL

80 metres below ground with the engineers building HS2's longest tunnel

HS2 Ltd

1 Feb 2023

2022-09-08 Chiltern Tunnel South Portal
HL

Transforming HS2's biggest construction site into a chalk grassland wildlife haven

HS2 Ltd

8 Sept 2022

2022-07-04 Chiltern Tunnel
HL

Excavation of the HS2 Chiltern Tunnel shafts close to completion

HS2 Ltd

4 Jul 2022

2021-05-13 Chiltern Tunnel
HL

Assembling a Tunnel Boring Machine at the South Portal Site

HS2 Ltd

13 May 2021

2021-03-24 Chiltern Tunnel
HL

Reassembling and Testing the Tunnel Boring Machine at the South Portal Site

HS2 Ltd

24 Mar 2021

2021-03-08 Chiltern Tunnel
HL

HS2 Chilterns Tunnel Progress Whatever the Weather

HS2 Ltd

8 Mar 2021

Location

Interactive Map Coming Soon

Plan Sheets

Main Line Sheet 20

Colne Valley viaduct