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Street reclamation

Street reclamation is a engineering topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Street reclamation rather than just read about it. In short: Street reclaiming is the process of converting, or otherwise returning streets to a stronger focus on non-car use — such as walking, cycling and active street life. It is advocated by many urban planners and urban economists, of widely varying political points of view.

Street reclamation — main illustration
Street reclamation — illustration

Key takeaways

  • Street reclamation belongs to engineering; place it in that map before memorising details.
  • Learn the definition first, then one example that makes the definition concrete.
  • Connect Street reclamation to a quantity you can measure, compute or draw — that is where exam questions come from.
  • Reproduce the core statement of Street reclamation from memory before moving on to harder problems.

Reference excerpt

Street reclaiming is the process of converting, or otherwise returning streets to a stronger focus on non-car use — such as walking, cycling and active street life. It is advocated by many urban planners and urban economists, of widely varying political points of view. Its primary benefits are thought to be:

Decreased automobile traffic with less noise pollution, fewer automobile accidents, reduced smog and air pollution Greater safety and access for pedestrians and cyclists Less frequent surface maintenance than car-driven roads Reduced summer temperatures due to less asphalt and more green spaces Increased pedestrian traffic which also increases social and commercial opportunities Increased gardening space for urban residents Better support for co-housing and infirm residents, e.g. suburban eco-villages built around former streets Superblocks, a form of street reclamation, are city areas where traffic is relegated to the exterior rim. According to the Barcelona Institute for Global Health, 667 annual premature deaths could be avoided through their implementation city-wide. The superblock method has also been found to mitigate air pollution, city noise, and urban heat island effect.

Global Initiatives An early example of street reclamation was the Stockholm carfree day in 1969. Some consider the best advantages to be gained by redesigning streets, for example as shared space, while others, such as campaigns like "Reclaim the Streets", a widespread "dis-organization", run a variety of events to physically reclaim the streets for political and artistic actions, often called street parties. David Engwicht is also a strong proponent of the concept that street life, rather than physical redesign, is the primary tool of street reclamation.

Seoul, South Korea For centuries the Cheonggyecheon stream functioned as the principal waterway through what is now downtown Seoul. Following the Korean War, an influx of refugees established informal settlements along its banks, and worsening sanitation conditions prompted the city to concrete over the stream from 1958. In 1976, an elevated four-lane highway was built above it which, at its peak, hosted over 170,000 vehicles crossing daily. When repairs were needed, the Seoul Metropolitan Government opted to remove the structure instead, replacing the 5.8-kilometer corridor with pedestrian-oriented public space along a restored stream. Public engagement was extensive, with close to 4,000 meetings held with residents, during the planning process. The project was funded entirely by the Seoul Metropolitan Government at a cost of 386,739 KRW (approximately 345 million USD). Following completion in 2005, bus ridership across the city rose by 15.1% and subway ridership by 3.3% between 2003 and 2008, vehicle traffic in the area declined, and the corridor began attracting around 64,000 daily visitors. Ecologically, biodiversity along the stream increased by 639% between 2003 and 2008, and temperatures measured along the waterway ran 3.3-5.9 °C below those recorded on parallel roads several blocks away.

Utrecht, Netherlands When Utrecht received its city charter in 1122, a moat was constructed around the settlement not long after. The waterway remained central to the city for centuries, later serving as an industrial port before that function relocated to the outskirts in the early 20th century. A proposal in the late 1950s by a German urban engineer to drain the entire moat and replace it with a four-lane ring road was embraced by the city council, keen to modernize, but it faced significant backlash from the public. The national government stepped in to protect the east and south sections as monuments in 1966, but the north-west stretch was left unprotected, and a motorway was constructed there, opening in stages from 1973. As the river-fed waterway couldn't simply be filled in, its water was piped underground. The resulting road was seen as too short and disconnected to serve any meaningful traffic function, and its entire length could be spanned in under a minute of driving, earning it the nickname "the motorway from nothing to nowhere". Civic pressure to reverse the decision began almost immediately, within a campaign group forming in 1970, later joined by a group called "Utrecht weer omsingeld" ("Utrecht surrounded by its city moat again"). The city council agreed to examine the feasibility of restoring the canal in 1989, and a decade later voted to proceed. The motorway, still carrying 11 lanes of traffic when it was decommissioned, closed in early 2010. Water returned to the restored canal in December 2015, reverting the moat to its original state of over eight centuries.

Quelimane, Mozambique Despite having developed one of Mozambique's first dedicated bicycle lanes and a comparatively strong culture of cycling, Quelimane faced severe road safety risks for non-motorized users. In 2022, coinciding with celebrations for the city's 80th anniversary, a partnership between UN-Habitat, the Institute for Transportation and Development Policy, and local authorities launched activities in the city under the United Nations Road Safety Fund-backed "Reclaiming the Streets for Pedestrians and Cyclists in Africa" project, which operated across five countries. A junction identified as particularly dangerous was selected for a participatory tactical urbanism intervention, bringing together civil society organizations and municipal authorities to redesign the space so that pedestrians, cyclists, and other vulnerable road users (such as children, elderly people, and people with disabilities) could navigate it more safely.

… excerpt ends here. Continue reading the full article.

Illustrations

Street reclamation: A comparison of road corridor capacity and street infrastructure costs
A comparison of road corridor capacity and street infrastructure costs

Worked examples

Example 1 — a first encounter with Street reclamation

Start with the simplest possible case. Write down what Street reclamation claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In engineering, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Street reclamation before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Street reclamation ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Street reclamation

In research
Street reclamation appears in engineering research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry
Engineering practice reuses Street reclamation in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom
Street reclamation is common in secondary-school and first-year university syllabi. It links to neighbouring topics Car-free movement, Climate change mitigation, Cycling infrastructure, so understanding it makes those chapters shorter.
In everyday life
Look for Street reclamation outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.
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How to study Street reclamation in 20 minutes

  1. Read the reference excerpt below once, without taking notes.
  2. Close the page and write down what Street reclamation means in your own words.
  3. Compare your version with the excerpt and mark what you missed.
  4. Work through the three examples above with pen and paper.
  5. Explain Street reclamation out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Street reclamation in simple terms?

Street reclaiming is the process of converting, or otherwise returning streets to a stronger focus on non-car use — such as walking, cycling and active street life. It is advocated by many urban planners and urban economists, of widely varying political points of view.

Why does Street reclamation matter?

Because it connects several engineering ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Street reclamation?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Street reclamation.

Tags

  • Car-free movement
  • Climate change mitigation
  • Cycling infrastructure
  • Environmentalism
  • Health and transport
  • Health promotion
  • Pedestrian activism
  • Pedestrian infrastructure
  • Physical exercise
  • Road transport
  • Streets
  • Sustainable transport

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