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Autobahns Speed up Climate Crisis

Germany's long love affair with its high-speed freeways could hit a dead end as calls grow to stop autobahn extensions to combat climate change.

More autobahns create more traffic — and more climate change

When German electronic band Kraftwerk released the iconic song "Autobahn" in 1975, they were celebrating freedom of movement on freeways where drivers could speed without limit. 

But these mythical superhighways are today a source of increasing division as the climate crisis demands countries curb road transport emissions.

Though the autobahn's origins are wrongly ascribed to Hitler — he completed the first highways with forced labor, but they were a Weimar-period invention — today their legend is associated with Germany's failure to meet its climate obligations.

Transport generates over 20% of German greenhouse gases. It was also one of only two sectors to fail its annual emission reduction targets in 2021.  Yet new road construction projects — as opposed to low-emission electric railways or bicycle highways — dominate the 2030 federal transport plan. Some 850 kilometers (528 miles) of autobahns are on the drawing board.

Activists call out autobahn 'disaster'

Opposition to such expansion is growing as activists say the roads are too expensive and limit Germany's ability to meet legislated climate goals.

Disaster by the dozen: Twelve autobahns no one needs, a 2021 report by the German Federation for the Environment and Nature Conservation (BUND), has called out Germany's mania for boundless highway construction.

Around 80% of a planned autobahn, the A20, along the northwest coast of Germany will cut through moors and marshlands that sequester 450 million tons of CO2, the report notes. Rare animal species and local flora will also be destroyed, according to BUND. And it will cost at least €6 billion ($6.3 billion) — three times the estimate in 2016.

Meanwhile, Germany's scarce remnants of ancient forest are also being cleared to add more highway to what is already the densest road network in Europe. 

In Berlin, the March announcement of a further expansion of the A100 running through the capital caused hundreds to protest, saying the road would ramp up climate pollution and destroy an essential part of the capital's built environment and cultural life.

BTW 2021 Themenbilder

Cyclists take over the A100 in Berlin in 2021 to protest its expansion

The Berlin state opposes the extension. But Germany's federal government, which has jurisdiction over national autobahns and highways, plans to push ahead.

"The rest of Europe is getting cars out of cities because it's better for the climate, for public health, for quality of life," said Benjamin Stephan, transport and climate change campaigner at Greenpeace Germany.

Yet the federal government continues to push autobahn expansion, whatever the cost. Not even emissions-reducing speed limits can count on enough support at federal level, meaning 70% of the country's autobahns still allow drivers to put their foot down without restriction.  Greenpeace analysis showed that a 100 kmph autobahn speed limit would also be the quickest way to reduce oil use during the Ukraine war.

Cars and trucks drive on a highway in Frankfurt, Germany, before sunrise

Campaigners hope the sun might soon be setting on Autobahn construction

More autobahns, more cars

Freeway extensions and the building of extra lanes are often aimed at solving bottlenecks on autobahns that have notorious congestion problems.

However, the long-term effect of these expansions is to create more traffic, says Udo Becker, a transport ecologist at the Technical University of Dresden.

The problem is partly cultural and historical, Becker argues, relating to a "traditional paradigm" of endless growth that emerged out of a destroyed post-war Germany.

"More is better is entrenched in our perspective," he said. "More roads and more traffic is better."

This paradigm has also benefited the German automobile industry, which accounted for almost 10% of national GDP in 2020 and is known for its close ties to past German chancellors including Angela Merkel — once dubbed the "Autokanzlerin," or "car chancellor."

The real cost of ongoing autobahn expansion struggles to overcome this mindset, says Becker.

Costs don't add up

"What you will get out of this A100 extension are of course climate gas emissions, more costs, more noise and more pollution," he said of Berlin's expanding autobahn.

Yet these factors are rarely factored into highway planning.

The European Commission calculated that such 'external' transport costs, including accidents, air pollution, climate change, noise, congestion and habitat damage, across the EU amounted to near €1 trillion ($1.08 trillion) in 2019. Road transport alone generated 83% of these costs (€820 billion).

If these hidden costs were factored into the budgets for autobahn construction, "they would never be built," says Greenpeace's Benjamin Stephan.

A crash scene on a highway

Cleaning up accidents on speed limitless autobahns is one source of 'external' emissions that are not counted

Transition coming, but reform will be slow

In 2020, in her role as leader of the Greens, Annalena Baerbock called for a moratorium on autobahn construction. At that time, her party was in the ascendancy and Baerbock herself was being touted as a potential chancellor.

But since taking power in a coalition with the Social Democrats and the Free Democratic Party (FDP) in December, the Greens have committed neither to a moratorium, nor to a speed limit to save fuel and cut emissions.

Efforts to present a united front within the new "traffic light" coalition have given transport minister Volker Wissing of the pro-business FDP party free reign to support autobahn projects such as the A1 in Berlin, according to Dorothee Saar, a transport expert at Berlin-based Environmental Action Germany.

She notes that transport is only vaguely mentioned in the new German climate law, which sets the ambitious goal of cutting emissions by nearly 50% in 2030 based on 2019 levels, yet does not give a date for phasing out the internal combustion engine — though it refers to an EU agreement to only register CO₂-neutral vehicles in Europe from 2035.

Despite the politics, Saar says the key obstacle to transport reform is the "removal of [outmoded] projects from the existing plans" that have been approved and are set in law. "We should scrap existing plans," she said. Saar refers to one proposal by campaigners to legislate a new Federal Mobility Act that will make climate targets  integral to transport sector planning.

Court action runs into success

Meanwhile, campaigners have been hoping that a federal court will rule that autobahn extensions contravene Germany environmental law, and the nation's climate commitments

The BUND and local activists attempted to sue the federal government over the impacts of building the A20 autobahn in the northwest of the country, including through precious moorlands.

On July 7 the Federal Administrative Court ruled partially in the environmentalists' favor, deciding that the first section of the autobahn cannot go ahead unless the issue of nitrogen pollution is addressed.  

Though the decision was not made on climate grounds, BUND said it presented an opportunity for the federal government to review the entire project. 

Speaking before the decision, Stephan argued that such a legal precedent could help end Germany's long highway addiction.

"That would unravel the entire 850 kilometers [of autobahn] that are in the pipeline," he said.

Edited by: Tamsin Walker

This article has been updated to reflect the court ruling of July 7.

Courtesy: DW

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