Rephonic
Artwork for Green Signals
HS2
Network Rail
Great British Railways
Department For Transport
West Coast Main Line
Northern Powerhouse Rail
Railways Bill
Transport Select Committee
Eurostar
Heidi Alexander
Transport For Wales
Virgin Trains
Great Western Railway
South Western Railway
Jacobite Steam Train
Northern Rail
Office Of Rail and Road
ASLEF
LNER
UK Railways

Green Signals is a show about railways - its politics, its economics, its people and history. We turn over the issues of the day and talk to the people making the decisions that affect all our lives. We also dig into many of the amazing events in the history of an industry that spans nearly 200 years. Nigel Harris (former Managing Editor and Events Director of the leading industry and opinion form... more

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Artwork for Green Signals

Latest Episodes

Government plans to cut transport spend to fund defence –what could it mean for railways?

Kernow Connect – Is the Okehampton to Launceston and Bodminnew railway proposal the most delusional scheme of the year?

And DfT explains how GBR will be held ... more

Why did the Government block train operators from buying cheaper fuel?!

Can HS2 trains be tested on HS1, or not?

And… the Jacobite steam train returns! But NOT with Mark 1 carriages.

**Link to download the TicketyBoo appLink to TicketyBoo websiteU... more

YouTube

Formed in 1908, WH Davis Ltd. has been based at Langwith Junction near Shirebrook its entire history and is today recognised as the UK’s last remaining independent rail wagon manufacturer.I’ve come to have look around this extraordinary place which r... more

HS2 planned to use a technology that “hasn’t been inventedyet”… Really?

GBR’s livery begins rolling out on trains, but what happens next?

And now Thameslink is following Avanti West Coast’s exampleand cancelling some summer services. What is going ... more

YouTube

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Recent Guests

Andy Horton
Managing Director of W H Davis
W H Davis
Episode: Building Freight Train wagons in the UK at W H Davis
Ian Yowett
Alliance Rail Managing Director (interviewee on ORR decision)
Alliance Rail
Episode: 138. HS2 planned to use tech that “hasn’t been invented yet”… Really?!
Lawrence Bowman
Leader of South Western Railway and Network Rail, Wessex
South Western Railway / Network Rail Wessex
Episode: Running an integrated railway - South Western Railway MD Lawrence Bowman interview
Sir Tim Lawrence
Chair of the trustees of the Science Museum Group
Science Museum Group
Episode: Artificial Intelligence is coming to the railway - But what does it mean?
Sarah Schlobbem
Director of the Artificial Intelligence Incubator Accelerator (AIA1)
GBRX/AI Incubator Accelerator
Episode: Artificial Intelligence is coming to the railway - But what does it mean?
Tufik Machnuk
Managing Director of GBRX
GBRX
Episode: Artificial Intelligence is coming to the railway - But what does it mean?
Helen Milner
Founder and CEO of the Good Things Foundation
Good Things Foundation
Episode: Artificial Intelligence is coming to the railway - But what does it mean?
Hayden Bartlett-Tasca
Managing Director, CrossTech
CrossTech
Episode: Artificial Intelligence is coming to the railway - But what does it mean?
Richard George
Chair of Network Rail
Network Rail
Episode: Artificial Intelligence is coming to the railway - But what does it mean?

Hosts

Nigel Harris
Host of Green Signals; rail industry commentator with long-standing involvement in rail policy and operations
Richard Bowker
Co-host; former rail industry leader and chair/CEO roles, brings strategic and governance perspectives

Reviews

4.9 out of 5 stars from 169 ratings
  • Please turn up the volume

    Great podcast mixing business and a bit of gricing (more of the former for me please). But it’s so so quiet and almost impossible to hear when walking through London. Please adjust the volume

    Apple Podcasts
    4
    Simon P…
    United Kingdom19 days ago
  • Awesome …

    Knowledgeable rail experts covering a wide range of topics.

    For me a ‚Must‘ to listen to every week.

    Apple Podcasts
    5
    WorldTravellerCH
    Germanya year ago
  • Just an everyday passenger …

    … and accidentally just stumbled upon this podcast but really helps me understand the complexity behind getting me to work and back home again at night.

    Apple Podcasts
    5
    Soehbcziueb
    United Kingdom2 years ago
  • One of the best and informative podcasts out there

    This podcast has given me a greater understanding of how the railway system works, the complexities of having the government involved, the ticket issuance and the rolling stock all delivered by two candid men who should be running the country.

    Apple Podcasts
    5
    TBrassey
    United Kingdom2 years ago
  • Hosts that know their subject but are not too proud to invite experts to assist them in the stories related to the railway of today.

    Podcast Addict
    5
    ach
    3 years ago

Listeners Say

Key themes from listener reviews, highlighting what works and what could be improved about the show.

Candid discussions with hosts and guests offer clear perspectives on government decisions and rail policy.
The show helps ordinary passengers understand the complexities behind getting to work and back home.
Rail experts provide deep insights across a broad range of topics.

Chart Rankings

How this podcast ranks in the Apple Podcasts, Spotify and YouTube charts.

Talking Points

Recent interactions between the hosts and their guests.

Running an integrated railway - South Western Railway MD Lawrence Bowman interview
Q: What are the biggest challenges you're anticipating in delivering the timetable refresh and fleet modernization?
Bowman discusses the need for stakeholder engagement, funding constraints, the necessity of a clear business case, and the ongoing work to build a reliable, scalable timetable.
Running an integrated railway - South Western Railway MD Lawrence Bowman interview
Q: You started at South West Trains and now you find yourself back here again. Can you give us an overview of your time in the railway?
Bowman outlines his career progression across multiple operators, culminating in leading SWR and Network Rail Wessex, and explains how frontline leadership and infrastructure experience informed his approach to running an integrated railway.
Running the world’s largest integrated transport system – in conversation with Andy Lord
Q: What role does the Elizabeth Line play in enabling Crossrail 2 and broader capacity upgrades for London?
Andy highlights how Elizabeth Line demonstrates the value of new infrastructure for capacity, growth, and regional development, and explains how future projects like Crossrail 2 are framed around freeing capacity and delivering economic benefits across London and the wider region.
Running the world’s largest integrated transport system – in conversation with Andy Lord
Q: Has TfL recovered from the pandemic, and what does the current ridership look like?
He notes a sharp post-pandemic rebound with ridership back to roughly 90-92% of pre-pandemic levels overall, while some modes like buses show variability; the Elizabeth Line has been a standout success, with continuing growth and economic benefits.
Running the world’s largest integrated transport system – in conversation with Andy Lord
Q: Andy, welcome to Green Signals and thank you for giving me some time. What motivated you to move from aviation into public transport?
Andy explains his long career as an aviation executive, his degree apprenticeship at British Airways, and a pivotal opportunity to become London Underground's managing director in 2019, driven by a combination of passion for engineering and the chance to contribute to the Underground's legacy and future.

Audience Metrics

Listeners, social reach, demographics and more for this podcast.

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Frequently Asked Questions About Green Signals

What is Green Signals about and what kind of topics does it cover?

A probing, policy-forward rail show that intercuts high-stakes industry debates with technical and historical context. Across recent episodes, conversations frequently center on governance, public ownership vs private operation, large-scale modernization efforts (including GBR, HS2, and integrated timetables), as well as the application of AI and data to safety, maintenance, and customer experience. Guests span regulators, operators, engineers, researchers, and policymakers, which yields a rich mix of candid industry analysis, practical case studies, and bold takes on future rail strategy. A standout trait is the willingness to challenge official narratives, compare reforms across time, and spotlight both heritage and innovation in rail.

L... more

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These podcasts share a similar audience with Green Signals:

1. Not Another One
2. The Rest Is Politics
3. The News Agents
4. Rock & Roll Politics with Steve Richards
5. Political Currency

How many episodes of Green Signals are there?

Green Signals launched 3 years ago and published 226 episodes to date. You can find more information about this podcast including rankings, audience demographics and engagement in our podcast database.

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What guests have appeared on Green Signals?

Recent guests on Green Signals include:

1. Andy Horton
2. Ian Yowett
3. Lawrence Bowman
4. Sir Tim Lawrence
5. Sarah Schlobbem
6. Tufik Machnuk
7. Helen Milner
8. Hayden Bartlett-Tasca

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