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My chance to give oral evidence to the Parliamentary Transport Committee
This is a crucial period of reckoning for strategic road investment in the British Isles. Scotland, Wales and Ireland have targets for reducing car traffic by 2030. The Wales Roads Review outcomes were made public last month. The Parliamentary Transport Committee currently has an open Inquiry into Strategic Road Investment in England. Having submitted written Read more
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Place your bets now please – do we need road traffic reduction?
Shouldn’t a government with a legally binding commitment to decarbonise commit to road traffic reduction? It seems England is special. Scotland, Wales and Ireland all have targets set by their national governments to reduce car driven miles. England doesn’t. Yesterday the RAC Foundation published an important piece of work that set the following exam question: Is it Read more
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Did you hear the $40 billion joke about people, planet and profit?
Did you hear the $40 billion joke about people, planet and profit? We need to restore biodiversity and reduce global emissions on the planet. People need to change behaviours to help this to help themselves. But perish the thought that such trifling matters should get in the way of profit. It’s a joke. P.S. If Read more
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Seeing beyond white male privilege in the transport sector – my submission to the Transport Committee
Seeing beyond white male privilege in the transport sector – my submission to the Transport Committee. Shaping the future of transport is not just about emerging technologies. Judgements are everywhere: judgements about what to invest in; judgements in analysis that supports judgements about what to invest in; judgements about who should judge what to invest Read more
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The earth has all the time in the world and we don’t
“The Earth has all the time in the world and we don’t.” Three years ago next month I was sat in an office on Broadway in New York watching footage on my laptop of one of my heroes, Greta Thunberg, addressing up to 30,000 people in Bristol, the home of my university. It was the Read more
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Eight profesors speak with one voice of constructive concern on the future of road investment
Hear the voices behind the Road Investment Scrutiny Panel report – each one worth a listen in their own right I would say, and in turn a report worth taking note of in which they speak as one. Ladies and gentlemen, may I introduce the cast for the feature article in this week’s edition of Read more
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Chat-GPT, what does a four degrees C world mean for life on earth? DALL-E, can you paint that?
Chat-GPT, what does a four degrees C world mean for life on earth? DALL-E, can you paint that? “A four degrees Celsius increase in global average temperature above pre-industrial levels would likely have catastrophic and irreversible impacts on life on Earth. This level of warming would be considered as a “Hothouse Earth” scenario, beyond which Read more
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Road Investment Scrutiny Panel report is published
Eight professors speak with one voice about their concerns for the future of road investment in a new report published today. We face a climate emergency. We face a nature emergency. We face social injustice. We have 190,000 miles of roads in England to maintain. In 2021, 1,558 people were killed on Britain’s roads. We Read more
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I asked Chat-GPT to write me a poem about road investment
Is Artificial Intellgence influenced by past data? Is this going to shape our future? I asked Chat GPT to “Write me a poem about road investment”. This is what it said: The road stretches out before us,A ribbon of asphalt and dust.A path to adventure, a gateway to growth,A vital investment, worth its weight in Read more
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10,000 transport professionals converging on Washington – fly me to the moon
The Annual Meeting of the Transportation Research Board takes place in person in Washington DC, starting today. Upwards of 10,000 transportation professionals will convene there. I should say I have attended it in the past myself though the last time I flew is now 1044 days ago. Given the unrelenting news about worsening climate change Read more
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As we face the greatest fight of our professional lives we need transport planners with super powers
On Tuesday 14 April I spoke with Michelle Wood and Brogan McPherson from PTRC for the first time about an event – a ‘fireside chat’ – they were thinking of running looking at COVID-19 and transport and wanted me to Chair. Nine days later we ran a panel discussion operating on Zoom and live streaming to YouTube. 1,200 people had registered…
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Everything you need to know? A new Special Issue of one of the leading international transport journals ‘Transportation Research A: Policy and Practice’ has just been published on the topic of Developments in Mobility as a Service (MaaS) and Intelligent Mobility. This is a valuable collection of papers that critically examines one of the areas of (future) mobility…
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Please invest 23 minutes of your time Thanks to my longstanding colleague, Professor Jim Longhurst, my attention was drawn to an interview at COP25 in Madrid with Dr Peter Carter (Director of the Climate Emergency Institute and an expert reviewer for the IPCC). I strongly encourage you to invest 23 minutes of your time to watch his interview in full. It would…
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By Glenn Lyons and Greg Marsden Download for free our new paper [1] that critically examines the history of road traffic forecasting in England from 1989 to 2018 in terms of the treatment of uncertainty and in turn brings into question how uncertainty is addressed in scheme appraisal guidance. In a team effort with equal contributions from…
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“Changing mobility” – it was Phil Goodwin some years ago who highlighted the double meaning of ‘changing’ in a phrase like this (one of many insights from Phil that have stuck with me). It can be an adjective (mobility is changing) or a verb (mobility can be changed). The fact that mobility is changing points…


