A graphic designer just got his unauthorised redesign adopted as the official Luxembourg bus map

Artist and creation: Jug Cerović finds his new map in the wild. Image: Jug Cerović.

Remember Jug Cerović, the Serbian graphic designer who last summer sent us his take on London’s tube map? The city of Luxembourg just adopted his unauthorised re-design of the municipal bus network as its official transport map. Cool.

We suspect Jug has an ulterior motive in publicising his maps: his day job is working for Parisian mapping consultancy INAT. All the same, we thought you might like to read about how an unofficial map became official...

Transport maps are probably the only thing that all inhabitants of a city have in common. The Eiffel Tower or Tower Bridge are not unifying features; the tube map is.

And metro or subway maps are remarkably powerful artefacts. Not only are they accepted as a familiar tool, but they are absolutely trusted by everybody. Nobody questions them, or their origin, or the information they sport: we all take them for granted.

So, he who controls the map controls the mental image of the city that it projects. He who controls the map controls minds.

Tremendous power, isn't it?

I’d go as far as to say that the map is more important than the network itself. Without the map, a multibillion dollar network might as well not be there, since travellers will be unable to navigate it. If a station is erased on the map, for anyone who doesn’t live or work close by, it simply ceases to exist. In this paradoxical situation, it’s the physical network that is actually virtual, while the artefact picturing it is its only reality. The map is the network.

Once you appreciate the power the map has over a city, you start to believe that its creation is too important to be left only to some administration without public scrutiny. As French prime minister Georges Clemenceau once said, “War is too important a matter to be left to the military.”

The Luxembourg Genesis

In May 2015 a reader posted the then official Luxembourg municipal bus map on TransitMaps.net, describing it as “the city’s spaghetti monster”. I must say, he was quite right about the poor quality of the overall design.

The original official map. Click to expand.

The US news site Vox reported the story – and when the news reached Luxembourg, it caused much unease among politicians and officials alike.

When I discovered the map on TransitMaps, I wondered if it could be redesigned to make it more legible. So I started disentangling it:

The existing tangle...

...gradually disentangled. Click to expand.

After managing to tidy up some of this mess, I realised that the network was actually pretty good – but that the map was not representing it well at all.
So I set about designing a brand new version.

My new map encompasses the entire area served by the bus system with two different scales: a pedestrian scale, in the dense central area; and a territorial scale on the periphery.

It shows an enlarged and geographically accurate city centre, surrounded by a smaller, more schematic view of the suburbs.

Symbolically, the Old Town (Ville Haute) is placed at the exact centre of the map for immediate orientation. Its peculiar pentagonal shape is emphasised, and it is shown as a dense urban fabric with packed building intersected by streets and squares.

The structure of the map corresponds to the morphology of the city: all the angles are multiples of 36°, relating to the pentagonal centre.

In terms of information hierarchy, 19 lines go through the city’s central corridor.

These are shown in bright colours...

Click to expand.

...and grouped by their direction.

Click to expand.

The width of the line represents frequency. Thick lines are high frequency services (those that run at 5-10 minute headways); thin ones are low frequency.

Click to expand.

A further 11 lines make up a secondary network.

These are shown in lighter, pastel colours.

Click to expand.

Lastly, I included various elements of the cityscape, to aid navigation: remarkable buildings, parks, rivers, railways and bridges.

Click to expand.

When it was complete I sent it to the place where everything started, TransitMaps. From there, it was picked up by the Luxembourg media – and the local citizens placed such pressure on the politicians that they had no choice left but to contact me. After six months with the Luxembourg Bus Administration, fine tuning the map, last week it was finally made official.

Now everybody is happy: the citizens enjoy a great map, the public transport operating company can show the excellence of its network, the politicians contributed to developing a stronger identity for the city – and I am happy to see a city adopt my creation.

Here’s the map:


Click to expand. Or you can download the full sized version on the city of Luxembourg's official website here.

This unlikely genesis for a public transport map is a sign of what awaits us in the near future: a combination of actors (media, social networks, politicians, officials) influencing each other and coming together to create something new. We have finally moved from a vertical decision making process to a deterritorialised and horizontal creativity network.

If you like maps, why not listen to our latest podcast, which is all about maps?

Or like us on Facebook for more of  this stuff.


Here’s why we’re using a car wash to drill into the world’s highest glacier on Everest

Everest. Image: Getty.

For nearly 100 years, Mount Everest has been a source of fascination for explorers and researchers alike. While the former have been determined to conquer “goddess mother of the world” – as it is known in Tibet – the latter have worked to uncover the secrets that lie beneath its surface.

Our research team is no different. We are the first group trying to develop understanding of the glaciers on the flanks of Everest by drilling deep into their interior.

We are particularly interested in Khumbu Glacier, the highest glacier in the world and one of the largest in the region. Its source is the Western Cwm of Mount Everest, and the glacier flows down the mountain’s southern flanks, from an elevation of around 7,000 metres down to 4,900 metres above sea level at its terminus (the “end”).

Though we know a lot about its surface, at present we know just about nothing about the inside of Khumbu. Nothing is known about the temperature of the ice deeper than around 20 metres beneath the surface, for example, nor about how the ice moves (“deforms”) at depth.

Khumbu is covered with a debris layer (which varies in thickness by up to four metres) that affects how the surface melts, and produces a complex topography hosting large ponds and steep ice cliffs. Satellite observations have helped us to understand the surface of high-elevation debris-covered glaciers like Khumbu, but the difficult terrain makes it very hard to investigate anything below that surface. Yet this is where the processes of glacier movement originate.

Satellite image of Khumbu glacier in September 2013. Image: NASA.

Scientists have done plenty of ice drilling in the past, notably into the Antarctic and Greenland ice sheets. However this is a very different kind of investigation. The glaciers of the Himalayas and Andes are physically distinctive, and supply water to millions of people. It is important to learn from Greenland and Antarctica, – where we are finding out how melting ice sheets will contribute to rising sea levels, for example – but there we are answering different questions that relate to things such as rapid ice motion and the disintegration of floating ice shelves. With the glaciers we are still working on obtaining fairly basic information which has the capacity to make substantial improvements to model accuracy, and our understanding of how these glaciers are being, and will be, affected by climate change.

Under pressure

So how does one break into a glacier? To drill a hole into rock you break it up mechanically. But because ice has a far lower melting point, it is possible to melt boreholes through it. To do this, we use hot, pressurised water.

Conveniently, there is a pre-existing assembly to supply hot water under pressure – in car washes. We’ve been using these for over two decades now to drill into ice, but our latest collaboration with manufacturer Kärcher – which we are now testing at Khumbu – involves a few minor alterations to enable sufficient hot water to be pressurised for drilling higher (up to 6,000 metres above sea level is envisioned) and possibly deeper than before. Indeed, we are very pleased to reveal that our recent fieldwork at Khumbu has resulted in a borehole being drilled to a depth of about 190 metres below the surface.

Drilling into the glacier. Image: author provided.

Even without installing experiments, just drilling the borehole tells us something about the glacier. For example, if the water jet progresses smoothly to its base then we know the ice is uniform and largely debris-free. If drilling is interrupted, then we have hit an obstacle – likely rocks being transported within the ice. In 2017, we hit a layer like this some 12 times at one particular location and eventually had to give up drilling at that site. Yet this spatially-extensive blockage usefully revealed that the site was carrying a thick layer of debris deep within the ice.

Once the hole has been opened up, we take a video image – using an optical televiewer adapted from oil industry use by Robertson Geologging – of its interior to investigate the glacier’s internal structure. We then install various probes that provide data for several months to years. These include ice temperature, internal deformation, water presence measurements, and ice-bed contact pressure.

All of this information is crucial to determine and model how these kinds of glaciers move and melt. Recent studies have found that the melt rate and water contribution of high-elevation glaciers are currently increasing, because atmospheric warming is even stronger in mountain regions. However, a threshold will be reached where there is too little glacial mass remaining, and the glacial contribution to rivers will decrease rapidly – possibly within the next few decades for a large number of glaciers. This is particularly significant in the Himalayas because meltwater from glaciers such as Khumbu contributes to rivers such as the Brahmaputra and the Ganges, which provide water to billions of people in the foothills of the Himalaya.

Once we have all the temperature and tilt data, we will be able to tell how fast, and the processes by which, the glacier is moving. Then we can feed this information into state-of-the-art computer models of glacier behaviour to predict more accurately how these societally critical glaciers will respond as air temperatures continue to rise.

The ConversationThis is a big and difficult issue to address and it will take time. Even once drilled and imaged, our borehole experiments take several months to settle and run. However, we are confident that these data, when available, will change how the world sees its highest glacier.

Katie Miles, PhD Researcher, Aberystwyth University and Bryn Hubbard, Professor of Glaciology, Aberystwyth University.

This article was originally published on The Conversation. Read the original article.