Ten reasons PLP's CarTube is the silliest London transport plan you'll see this week

Oh, wow, this is really something. Image: PLP.

So here's fun thing bouncing round the nerdier corners of the internet in a “LOL, what” kind of a way:

Architecture practice PLP is soon to reveal their concept design for CarTube, a revolutionary solution for transportation in cities such as London.

“CarTube”? A car, and yet also, a tube? Whatever could it mean?

The concept combines two existing modes of transport – automated electric cars and mass public transit – into a single, seamless underground road system.

Users will be able to book a CarTube trip in their own cars or shared public cars through a smartphone app.

There will be an underground transport network that moves cars in a continuous flow at a steady speed, increasing transport capacity, relieving congestion and freeing up public realm above ground.

Lars Hesselgren, Director of Research at PLP will officially unveil CarTube at a conference on the 2nd December at the Institution of Mechanical Engineers (IMechE) HQ in London.

I would say that I have some questions for Lars.

In some ways it's a bit cruel to do a sanity check something like this, because it's so obviously incapable of withstanding it. Indeed, it was probably never intended to: my suspicion with these things is always that the real point of the exercise was to mock up a pretty picture in the hope of free publicity. (Possibly not the kind of free publicity I am offering right now.)


But what the hell, let's do it anyway:

1) It's quite difficult digging tunnels in London because there's so much stuff already under the ground (electrics, gas, sewers, the actually existing Tube). At Tottenham Court Road, the Crossrail tunnels run between two existing bits of tube architecture, with under a metre of clearance.

So I'm going to go out on a limb and guess that there probably isn't enough space under London's streets to create significant network of TubeCar tunnels, thus rendering the whole thing a bit silly.

2) That specific point on the Victoria Embankment, courtesy of Sir Joseph Bazalgette, contains one of central London's most important sewers. So it’s probably not the best place to start.

3) While we're at it, it also contains the District and Circle lines. You almost certainly couldn't put the CarTube there, is my point here.

4) Why are the cars underground so tiny? Do they get miniaturised as they go through the portal? Is that it? Is this the bit of the plan they're going to reveal at their press conference this week?

5) While we're talking about portals, I'm guessing there probably isn't enough space on the surface in London to create them either.

I mean, on this mock up, they've put the entrance to the tunnel on the site of an existing road, thus implying that we wouldn't be losing any more space to car traffic. Except that, in this parallel universe, roads clearly still exist to do the first and last leg or your journey, or you wouldn't need a portal in the first place. Soooo... where are the portals going to go? Which roads will stay and which will go? Will there be an enquiry?

6) Come to that, where are all the vehicles that aren't part of the CarTube system meant to go? Are they just banned from Westminster now? Parliament is still going to need goods deliveries. Are they all meant to take the CarTube? Is the Prime Minister's car?

7) To be fair, maybe I'm being unfair with all these questions, and this is actually just a nice plan to make the Victoria Embankment into a park. By ripping up the Circle line.

8) In the real world, this is where the east-west cycle superhighway runs. They've ripped that up, too. Great work, guys. Fantastic work.

9) Bit worried about those people cycling on that narrow path, shared with pedestrians, without any barriers stopping them from falling in the Thames, too.

10) That said, in this fantasy world, every bridge can be a garden bridge. Look how garden-y Westminster Bridge is! If we did this at least we wouldn't have to build the actual Garden Bridge, I guess. So that's something.

Jonn Elledge is the editor of CityMetric. He is on Twitter, far too much, as @jonnelledge.

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Wild boar are moving back to Genoa, and not everyone is pleased

A wild boar, c1933. Image: Getty.

Crossing the Ponte Gerolamo Serra in the Italian city of Genoa, I spotted a small crowd clustered by the river wall. I approached, intrigued, and peered over the wall to discover the subject of their delight: a sounder of eight wild boars – the adults sheltering from the heat in the undergrowth, while the juveniles foraged among the foliage that grows in the river bed during the dry summer months.

In any other city, such a sight might have been surprising. But in Italy, and particularly in the region of Liguria, where Genoa is located, the population of wild boars has been increasing at such a rapid rate that these incidents are now common. Across the country, it’s estimated that the population has risen from 600,000 to 1m over the past decade.

But while wild boars may look comically out of place trotting about the city, it’s actually a natural result of the way people have migrated – and the wars they have fought – over the course of recent history.

Making a comeback

A species native to Europe, the wild boar (or “cinghiale”, in Italian) largely disappeared from its historical territories during the 18th and 19th centuries. Their decline was widely attributed to the combined effects of habitat change, competition for space and resources and, of course, hunting.

Wild boars were a prized quarry, revered for their ferocity – and the danger involved in pursuing them. According to local folklore from the region of Liguria, the last truly wild boar was hunted and killed in 1814, in the province of Savona.

After an absence of more than a century, wild boar began to return to Liguria, and to the neighbouring region of Piedmont. A further influx occurred during World War I, when it’s believed that military activities in the south-east of France forced parts of the population back into Italy over the Alps.

Although hunting fraternities were quick to augment this fledgling population with wild boars transported from elsewhere, the return of the species was primarily due to natural causes. From the 1950s onwards, traditional agricultural practices were abandoned as more and more people moved from rural towns into the cities. This meant that large areas of formerly cultivated terraces and pastures were rapidly overgrown, fast becoming dense secondary woodlands.

A city gone wild

This spontaneous “rewilding” has become a controversial issue in the region. Many conservationists and environmental organisations consider the region’s return to a “wild state” a success. But others believe that the encroaching wilderness signals a loss of traditional woodland knowledge and a reduction of biodiversity, associated with the pastures and meadows.


The province of Genoa is among the areas most densely populated by wild boar in Italy, with an estimated 25 boar per 10km². Rewilding processes have brought woodlands to the city limits, blurring the boundary between rural and urban areas. The species has expanded beyond the hinterlands, colonising highly urbanised, densely populated city spaces in Genoa, drawn by the abundance of food waste created by humans.

In 2009, the infamous boar Pierino made his home at Righi, on the outskirts of Genoa, where he was routinely fed with focaccia by enthusiasts. Today, a family of wild boar call the Albergo dei Poveri – a historical hostel for the Genoese poor in the city centre – their home.

But while their antics are often recorded and shared with glee on social media, the threats posed by the presence of wild animals has become a preoccupation for the city’s municipal administration.

Boorish behaviour

Wild boar have been involved in a number of traffic accidents, and have proven to be particularly dangerous when with their young, attacking dogs and even people. The city council in Genoa has put forward many proposals to reduce the number of animals in the city, ranging from forced removals, to sterilisation, increased attention to waste disposal and approved hunts. About 90 wild boar were reportedly culled in 2018.

Needless to say, each of these measures has been hotly debated. Animal advocacy groups staunchly oppose the proposals, and sometimes obstruct the authorities’ attempts to take action, often sending patrols to care for the animals, and even give them names. But other residents are displeased with the animals’ presence in the city, and have consulted with the council on how to address the problems that they cause.

And so Genoa continues to grapple with thorny issues surrounding the presence of wild boar in the city, with the city authorities seeking to resolve a polemical issue that embroils the lives of animals and humans alike. So far, a collective, coherent and communally agreeable strategy has proven evasive; one that considers the need for public safety, hygiene and health with the ethical responsibilities towards to wild boar themselves.

Meanwhile, the animals themselves continue to lounge and forage beneath the Ponte Gerolamo Serra and elsewhere, bringing a little of the wilderness into the city.

The Conversation

Robert Hearn, Assistant Professor in Human Geography, University of Nottingham.

This article is republished from The Conversation under a Creative Commons license. Read the original article.