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Vision Zero

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Vision Zero is a multi-national road traffic safety project that aims to achieve a highway system with no fatalities or serious injuries involving road traffic. It started in Sweden and was approved by their parliament in October 1997.[1] A core principle of the vision is that 'Life and health can never be exchanged for other benefits within the society' rather than the more conventional comparison between costs and benefits, where a monetary value is placed on life and health, and then that value is used to decide how much money to spend on a road network towards the benefit of decreasing how much risk.[2]

Principles

Roads in Sweden are built with safety prioritised over speed or convenience. Low urban speed-limits, pedestrian zones and barriers that separate cars from bikes and oncoming traffic have helped. Building 1,500 kilometres (900 miles) of "2+1" roads—where each lane of traffic takes turns to use a middle lane for overtaking—is reckoned to have saved around 145 lives over the first decade of Vision Zero --Why Sweden has so few road deaths, The Economist Explains[3] (Feb 26th 2014)

Vision Zero is based on an underlying ethical principle that "it can never be ethically acceptable that people are killed or seriously injured when moving within the road transport system."[4] As an ethics-based approach, Vision Zero functions to guide strategy selection and not to set particular goals or targets. In most road transport systems, road users bear complete responsibility for safety. Vision Zero changes this relationship by emphasizing that responsibility is shared by transportation system designers and road users.[4]

Speed limits

Vision Zero suggests the following "possible long term maximum travel speeds related to the infrastructure, given best practice in vehicle design and 100% restraint use".[5] These speeds are based on human and automobile limits. For example, the human tolerance for a pedestrian hit by a well-designed car is approximately 30 km/h. If a higher speed in urban areas is desired, the option is to separate pedestrian crossings from the traffic. If not, pedestrian crossings, or zones (or vehicles), must be designed to generate speeds of a maximum of 30 km/h. Similarly, the inherent safety of well-designed cars can be anticipated to be a maximum of 70 km/h in frontal impacts, and 50 km/h in side impacts. Speeds over 100 km/h can be tolerated if the infrastructure is designed to prevent frontal and side impacts.

Possible Maximum Travel Speeds
Type of infrastructure and traffic Possible travel speed (km/h)
Locations with possible conflicts between pedestrians and cars 30 km/h (19 mph)
Intersections with possible side impacts between cars 50 km/h (31 mph)
Roads with possible frontal impacts between cars, including rural roads[6] 70 km/h (43 mph)
Roads with no possibility of a side impact or frontal impact (only impact with the infrastructure) 100 km/h (62 mph)+

"Roads with no possibility of a side impact or frontal impact" are sometimes designated as Type 1 ( motorways/freeways/Autobahns ), Type 2 ("2+2 roads") or Type 3 ("2+1 roads").[7] These roadways have crash barriers separating opposing traffic, limited access, grade separation and prohibitions on slower and more vulnerable road users. Undivided rural roads can be quite dangerous even with speed limits that appear low by comparison. In 2010, German rural roads, which are generally limited to 100 km/h (62 mph), had a fatality rate of 7.7 deaths per billion-travel-kilometers, higher than the 5.2 rate on urban streets (generally limited to 50 km/h (31 mph)), and far higher than the autobahn rate of 2.0; autobahns carried 31% of motorized road traffic while accounting for 11% of Germany's traffic deaths.[8]

Implementation

Canada

In December 2015, the Canadian injury prevention charity Parachute presented the Vision Zero concept, with Road Safety Strategist Matts Belin of Sweden, to nearly 100 road safety partners.[9]

In November 2016, Parachute hosted a one-day national road safety conference focused on Vision Zero goals and strategies, attended by leaders in health, traffic engineering, police enforcement, policy and advocacy.[10]

From that, the Parachute Vision Zero Network was formed, comprising more than 250 road safety advocates and practitioners, law enforcement, government and municipalities.[11] The network serves to provide a one-stop Canadian destination to connect these stakeholders with one other, and with information and resources to help communities address road safety challenges, using proven solutions.[12]

The second Parachute Vision Zero Summit was held in October 2017, attended by network members and politicians, including Ontario Transportation Minister Steven Del Duca.[13]

Another organization, Vision Zero Canada (visionzero.ca) launched their national campaign in December 2015.[14]

Efforts in Canadian cities:

  • Edmonton: On September 22, 2015 Edmonton City Council announced that it was "the first Canadian city to officially adopt Vision Zero." Its Road Safety Strategy 2016-2020 moves "towards zero fatal and major-injury collisions" but does not include a target of zero deaths or major injuries. The targets for the strategy are decreased rates of 1) overall injury collisions, and 2) collisions at intersections.[15]
  • Vancouver: On April 5, 2016 Vancouver City Council endorsed Vision Zero by directing staff to report back on a strategy for zero traffic-related fatalities and serious injuries. [16]
  • Toronto: On June 13, 2016 Toronto Mayor John Tory announced a plan to reduce the number of people killed and seriously injured in traffic by 20 per cent within a decade. In the face of public outcry, he recanted later in the day, and agreed to strive for zero deaths within five years.[17]
  • Ottawa: On July 5, 2017, Ottawa ordered its transportation committee to produce a report with an updated action plan using principles set out in Vision Zero. [18]
  • Surrey: On November 27, 2017, Public Safety Committee endorsed adoption of the Vision Zero philosophy as a basis for Surrey's Safe Mobility Plan. [19]

Netherlands

In the Netherlands, the sustainable safety approach differs from Vision Zero in that it acknowledges that in the majority of accidents humans are to blame, and that roads should be designed to be "self-explaining" thus reducing the likelihood of crashes. Self-explaining roads are easy to use and navigate, it being self-evident to road users where they should be and how they should behave. [20] The Dutch also prevent dangerous differences in mass, speeds and/or directions from mixing. Roundabouts create crossings on an otherwise 50 or 70 km/h road that are slow enough, 30 km/h, to permit pedestrians and cyclists to cross in safety. Mopeds, cyclists and pedestrians are kept away from cars on separate paths above 30 km/h in the built up area. Buses are also often given dedicated lanes, preventing their large mass from conflicting with low mass ordinary cars.

More recently the Dutch have introduced the idea that roads should also be "forgiving", i.e. designed to lessen the outcome of a traffic collision when the inevitable does occur, principles which are at the core of both the Dutch and Swedish policies.[21]

Sweden

In 1997 the Swedish Parliament introduced a "Vision Zero" policy that requires that fatalities and serious injurious are reduced to zero by 2020. This is a significant step change in transport policy at the European level.[citation needed] All new roads are built to this standard and older roads are modified.[citation needed]

Fatalities in Sweden
source Eurostat[22]

United Kingdom

Transport appraisal in the United Kingdom is based on New Approach to Appraisal which was first published in 1998 and updated in 2007. In 2006 the Stockholm Environment Institute wrote a report at the request of the UK Department for Transport titled 'Vision zero: Adopting a Target of Zero for Road Traffic Fatalities and Serious Injuries'.[23] In 2008 the Road Safety Foundation published a report proposing on UK road safety which referenced Vision Zero.[21] The Campaign for Safe Road Design is a partnership between 13 UK major road safety stakeholders that is calling for the UK Government to invest in a safe road infrastructure which in their view could cut deaths on British roads by 33%.[citation needed] In 2007 Blackpool was the first British City to declare a vision zero target. In 2014 Brighton & Hove adopted vision zero in its 'Safer Roads' strategy, predicated on the safe systems approach, alongside the introduction of an ISO accredited road traffic safety management system to ISO:39001. Edinburgh adopted a Road Safety Action Plan: Working Towards Vision Zero in May 2010 which "commits to providing a safe and modern road network where all users are safe from the risk of being killed or seriously injured".[24] Northern Ireland's DOE has a Share the road to zero" policy for zero deaths. Bristol adopted a safe systems approach in March 2015. Transport For London (TfL) say they are working towards zero KSI. UK Vision Zero campaigns include Vision Zero London and Vision Zero UK. A Vision Zero UK all day conference is planned for 19 January 2016 at Camden Town Hall with Landor LINKS conferences.

United States (cities/regions/states; chronological order)

  • Chicago: In May 2012, the "Chicago Forward Action Agenda Plan" was introduced aiming to reduce transport deaths to zero in 10 years[25]
  • New York City: In January 2014, Mayor Bill de Blasio announced adoption of New York City's Vision Zero and enumerated a long list of initiatives the city would be following to reduce fatalities on city streets. Among the measures it plans to take includes pushing for changes in the State legislature to allow the city more control in the administration of traffic safety measures such as speed reduction.[26]
  • San Francisco: In January 2014, San Francisco District Supervisors Jane Kim, Norman Yee, and John Avalos introduced Vision Zero plan for San Francisco, where there were 25 pedestrian and bicyclist deaths in 2013 alone. San Francisco's Vision Zero plan calls for investing in engineering, enforcement, and education, and focusing on dangerous intersections.[27]
  • Los Angeles: In September 2014, Mayor Eric Garcetti and the Los Angeles Department of Transportation released a strategic plan with a Vision Zero goal to eliminate all traffic deaths by 2025.[28][29]
  • Austin: In November 2014, the Austin City Council voted unanimously to form a Vision Zero Task Force to develop an action plan to direct City departments toward policies aligned with safer roadways.[30][31]
  • San Mateo: In February 2015, the San Mateo City Council passed a Sustainable Streets Plan that includes Vision Zero.[32][33]
  • Portland: In February 2015, Portland's Director of Transportation Leah Treat announced a ten-year plan to end traffic fatalities in the city as part of the Portland Bureau of Transportation's 2-year work plan.[34][35]
  • Seattle: Feb. 2015: Seattle launches Vision Zero plan to end traffic deaths and injuries by 2030[36][37]
  • San Jose: On May 12, 2015, San Jose's 11-member City Council unanimously adopted Vision Zero San Jose[38]
  • Santa Barbara: In May 2015, the Santa Barbara City Council embraced the goal of zero traffic fatalities within city limits.[39]
  • San Diego: On June 22, 2015, San Diego Mayor Kevin Faulconer announced his support for Vision Zero at a press conference with Mayor Pro Tem Marti Emerald and Council Member Mark Kersey[40]
  • Fort Lauderdale: In November 2015, the Fort Lauderdale City Commission passed Vision Zero Fort Lauderdale to commit to reduce all pedestrian and bicyclist fatalities to zero. In passing Vision Zero Fort Lauderdale, the City has become the first City in the state of Florida and the first City in the Southeastern United States to become a Vision Zero City.[41]
  • Boston: Boston launched Vision Zero in December, 2015.[42]
  • Washington, D.C.: In December 2015, Washington, D.C.'s Department of Transportation announced an initiative to eliminate traffic fatalities. This initiative was endorsed by Mayor Murlel Bowser. Press coverage has focused on high traffic fines (up to $1,000) for speeding.[43]
  • North Carolina: In October 2016, North Carolina implemented the NC Vision Zero initiative, using data-driven strategies, to take one step further in completely eliminating roadway deaths.
  • North Dakota: On January 18, 2018, Governor Doug Burgum announced the Vision Zero goal for North Dakota in his State of the State address using the slogan "Zero Fatalities, Zero Excuses."[44]
  • Boulder, Colorado: March 2018 formal adoption[45][46]

Not yet adopted but in the works

Other safety initiatives

EuroRAP

Across Europe EuroRAP, the European Road Assessment Programme is bringing together a partnership of motoring organisations, vehicle manufacturers and road authorities to develop protocols for identifying and communicating road accident risk and to develop tools and best practice guidelines for engineering safer roads.[51] EuroRAP aims to support governments in meeting their Vision Zero targets.[citation needed]

The "Roadmap to a Single European Transport Area" issued in 2011 by the European Commission states in point 2.5 (9): "By 2050, move close to zero fatalities in road transport. In line with this goal, the EU aims at halving road casualties by 2020."[52]

United Nations

The United Nations has more modest goals. Its "Decade of Action for Road Safety" is founded on a goal to "stabilize and then reduce" road traffic fatalities by 2020. It established the Road Safety Fund "to encourage donor, private sector and public support for the implementation of a Global Plan of Action.[53]

Outcomes

Despite some countries borrowing some ideas from the Vision Zero project, it has been noted that the richer countries have been making outstanding progress in reducing traffic deaths while the poorer countries tend to see an increase in traffic fatalities due to increased motorization.[3]

Country[54] 1980 Killed 2013 Killed 2013/1980 percent 2013 Killed per million Population 2013 Killed per 100 Billion Vehicle Kilometers
Australia 3,272 1,185 36.2 51 496
Austria 2,003 455 22.7 54 583
Belgium 2,396 723 30.2 65 707
Canada 5,462 2,255 41.3 65
Czech Republic 1,261 655 52.9 62 1,573
Denmark 690 191 27.7 34 386
Finland 551 258 46.8 48 476
France 13,636 3,268 24.0 51
Germany 15,050 3,339 22.2 41 460
Greece 1,446 874 60.4 79
Hungary 1,630 591 36.3 60
Ireland 564 190 33.7 41 396
Italy 9,220 3,385 36.7 57
Japan 11,388 5,152 45.2 40 694
Luxembourg 98 45 45.9 84
Netherlands 1,996 476 23.8 28 374
Norway 362 187 51.7 37 426
Poland 6,002 3,357 55.9 87
Portugal 2,850 637 23.4 61
Slovenia 558 125 22.4 61
South Korea 6,449 5,092 79.0 101 1,720
Spain 6,522 1,680 25.7 36
Sweden 848 260 30.7 27 337
Switzerland 1,209 269 22.2 33 429
United Kingdom 6,182 1,770 28.6 28 348
United States 51,091 32,719 64.0 104 680
Fatalities by billions kilometers traveled by country

Norway

Norway adopted its version of Vision Zero in 1999. In 2008, a staff engineer at the Norwegian Public Roads Administration said "The zero vision has drawn more attention to road safety, but it has not yielded any significant short-term gains so far."[55]

Sweden

Sweden, which initiated Vision Zero, has had somewhat better results than Norway. With a population of about 9.6 million, Sweden has a long tradition in setting quantitative road traffic safety targets. In the mid-1990s a 10-year target was set at a 50% reduction for 2007. This target was not met; the actual ten-year reduction was 13% to 471 deaths. The target was revised to 50% by 2020 and to 0 deaths by 2050. In 2009 the reduction from 1997 totals was 34.5% to 355 deaths.

Number of fatalities on Swedish roads [56][57][58]
Accident Year Fatalities
1997 541
1998 531
1999 580
2000 591
2001 583
2002 532
2003 529
2004 480
2005 440
2006 445
2007 471
2008 396
2009 355
2010 266
2011 319
2012 285
2013 260
2014 270
2015 259
2016 270
2017 253

Traffic volume in Sweden increased steadily over the same period.[59]

Dominican Republic

Vision Zero has influenced other countries, such as the Dominican Republic. The country, despite having the deadliest traffic in the world, has managed to get to a point where only forty Dominicans die per 100,000 Dominicans each year by following a set of guidelines based on the similar goal of reducing traffic fatalities.[3]

See also

References

  1. ^ Goodyear, Sarah (November 20, 2014). "The Swedish Approach to Road Safety: 'The Accident Is Not the Major Problem'" (Written account of Goodyear's interview with Matts-Åke Belin, traffic safety strategist with the Swedish Transport Administration and one of its key architects of the original Vision Zero program). CityLab. Washington, D.C.: The Atlantic Monthly Group. Retrieved December 5, 2014.
  2. ^ See for example, Ezra Hauer, "Computing what the Public wants: Some issues in road safety cost-benefit analysis", Accident Analysis and Prevention, January 2011
  3. ^ a b c "explains: Why Sweden has so few road deaths". The Economist. 2014-02-26. Retrieved 2016-12-22.
  4. ^ a b Tingvall, Claes; Haworth, Narelle. "Vision Zero - An ethical approach to safety and mobility". Monash University Accident Research Center. Monash University. Retrieved 20 December 2016.
  5. ^ Claes Tingvall and Narelle Haworth. "Vision Zero - An ethical approach to safety and mobility". Table 1. Possible long term maximum travel speeds related to the infrastructure, given best practice in vehicle design and 100% restraint use...
  6. ^ "EU wants to slash rural speed limit". Irish Independent newspaper. 2010-10-13. Retrieved 2010-11-10. {{cite journal}}: Cite journal requires |journal= (help)
  7. ^ "NRA New Divided Road Types: Type 2 and Type 3 Dual-carriageways" (PDF). (Ireland) National Road Authority. Archived from the original (PDF) on 2011-01-03. Retrieved 2010-11-22. {{cite web}}: Unknown parameter |dead-url= ignored (|url-status= suggested) (help)
  8. ^ http://www.bast.de (September 2016). "Traffic and Accident Data: Summary Statistics – Germany" (PDF). Bundesanstalt für Straßenwesen (Federal Highway Research Institute). Bundesanstalt für Straßenwesen. Retrieved 2016-12-21. {{cite web}}: External link in |author= (help)
  9. ^ "Parachute - Preventing Injuries. Saving Lives". parachutecanada.org. Retrieved 17 January 2018.
  10. ^ "Zero expectations drive efforts to drastically reduce traffic-related deaths in Canada". www.newswire.ca. Retrieved 2018-01-17.
  11. ^ "Main". Parachute Vision Zero Network. Retrieved 17 January 2018.
  12. ^ "Parachute and State Farm Canada Partner for Vision Zero". www.parachutecanada.org. Retrieved 2018-01-17.
  13. ^ "Summit 2017". Parachute Vision Zero Network. Retrieved 2018-01-17.
  14. ^ "#VisionZero Canada (@VisionZeroCA) | Twitter". visionzero.ca. Retrieved 2016-02-14.
  15. ^ "Vision Zero :: City of Edmonton". www.edmonton.ca. City of Edmonton. 2016-02-14. Retrieved 2016-02-14.
  16. ^ "New Action to Enhance Safety for Pedestrians and Cyclists" (PDF). Vancouver City Council. Retrieved 2016-09-03.
  17. ^ "Toronto mayor vows quicker action on road safety after intense criticism". The Globe and Mail. Retrieved 2016-06-15.
  18. ^ "Minutes of the Ottawa Transportation Committee, July 5, 2017".
  19. ^ "Public Safety Committee Minutes" (PDF).
  20. ^ J. Theeuwes and H. Godthelp, “Self-explaining roads,” Saf. Sci., vol. 19, no. 2–3, pp. 217–225, 1995
  21. ^ a b Hill, Joanne. "Getting Ahead: Returning Britain to European leadership in road casualty reduction" (PDF). Road Safety Foundation. Archived from the original (PDF) on 2008-10-30. Retrieved 2008-10-01. {{cite web}}: Unknown parameter |deadurl= ignored (|url-status= suggested) (help)
  22. ^ Victims in road accidents by NUTS 2 regions (tran_r_acci) in Sweden
  23. ^ "Vision zero: Adopting a Target of Zero for Road Traffic Fatalities and Serious Injuries" (PDF). Department for Transport. 2006. Retrieved 2010-04-15.
  24. ^ "Road Safety Plan for Edinburgh to 2020" (PDF). Edinburgh.gov.uk. Retrieved 2016-12-22.
  25. ^ "Archived copy" (PDF). Archived from the original (PDF) on 2016-03-07. Retrieved 2015-04-27. {{cite web}}: Unknown parameter |deadurl= ignored (|url-status= suggested) (help)CS1 maint: archived copy as title (link)
  26. ^ "Vision Zero". Nyc.gov. Retrieved 2016-12-22.
  27. ^ Kwong, Jessica (February 19, 2014). "SF takes step forward in education for pedestrians, cyclists and drivers". San Francisco Examiner. Retrieved 26 February 2014.
  28. ^ Orlov, Rick (September 29, 2014). "Making Los Angeles streets 'great,' ending pedestrian deaths are Mayor Eric Garcetti and LADOT's goals". Los Angeles Daily News. Retrieved 20 September 2015.
  29. ^ {{ authors[i].name }}. "Great Streets for Los Angeles | Bus". Scribd.com. Retrieved 2016-12-22.
  30. ^ "Resolution No. 20141120-103" (PDF). Austintexas.gov. Retrieved 2016-12-22.
  31. ^ "Vision Zero | Planning and Zoning | AustinTexas.gov - The Official Website of the City of Austin". AustinTexas.gov. Retrieved 2016-12-22.
  32. ^ Boone, Andrew (February 20, 2015). "San Mateo Adopts Vision Zero and LOS Reform With Sustainable Streets Plan". Streetsblog San Francisco. Retrieved 20 September 2015.
  33. ^ "Sustainable Streets San Mateo —". Sustainablestreetssanmateo.com. Retrieved 2016-12-22.
  34. ^ Amelia Templeton. "Portland Transportation Leaders Set Goal To End All Traffic Fatalities In the City . News". OPB. Retrieved 2016-12-22.
  35. ^ "Portland Progress: A 2-Year Workplan | The City of Portland, Oregon". Portlandoregon.gov. Retrieved 2016-12-22.
  36. ^ "Vision Zero: Seattle's plan to end traffic deaths and serious injuries by 2030 - VisionZero". Seattle.gov. 2016-05-27. Retrieved 2016-12-22.
  37. ^ "Seattle launches Vision Zero plan to end traffic deaths and injuries by 2030 - Mayor Murray". Office of the Mayor - Mayor Edward B. Murray. 12 February 2015. Retrieved 18 August 2018.
  38. ^ ]"Archived copy". Archived from the original on 2015-05-08. Retrieved 2015-05-15. {{cite web}}: Unknown parameter |deadurl= ignored (|url-status= suggested) (help)CS1 maint: archived copy as title (link)]
  39. ^ Welsh, Nick (May 14, 2015). "Hard Stop on Traffic Deaths: City Council Embraces 'Vision Zero' Program". Santa Barbara Independent. Retrieved 20 September 2015.
  40. ^ Cavanaugh, Maureen (2015-06-23). "Eliminating Traffic Deaths: San Diego Vision Zero Goal For 2025". KPBS. Retrieved 2016-12-22.
  41. ^ "Archived copy". Archived from the original on 2016-01-30. Retrieved 2016-02-03. {{cite web}}: Unknown parameter |deadurl= ignored (|url-status= suggested) (help)CS1 maint: archived copy as title (link)
  42. ^ "Vision Zero Boston". Vision Zero Boston. 2015-12-04. Retrieved 2016-12-22.
  43. ^ Halsey, Ashley (December 10, 2015). "The Washington Post". "Violate D.C.'s Traffic Laws? It's going to cost you--a lot,". Retrieved January 31, 2016 – via Google.
  44. ^ "2018 State of the State Address, North Dakota Office of the Governor". Retrieved 2018-02-03.
  45. ^ Burness, Alex. "Vision Zero campaign aims to eliminate deadly and serious-injury crashes in Boulder". Daily Camera. Retrieved 18 August 2018.
  46. ^ Lotus, Jean (15 December 2017). "Boulder Joins Denver In Vision Zero Traffic Fatality Plan". Boulder, CO Patch. Retrieved 18 August 2018.
  47. ^ "Vision Zero for Houston report released - Houston Tomorrow". www.houstontomorrow.org. Retrieved 18 August 2018.
  48. ^ "Houston's Vision Zero". BikeHouston. 14 July 2015. Retrieved 18 August 2018.
  49. ^ Laughlin, Jason. "Philadelphia has a blueprint on how to make city streets safer". Philly.com. Retrieved 18 August 2018.
  50. ^ "3 things Pa. legislature can do right now to make Philly streets safer | Opinion". Philly.com.
  51. ^ "Archived copy". Archived from the original on 2014-05-08. Retrieved 2014-05-08. {{cite web}}: Unknown parameter |deadurl= ignored (|url-status= suggested) (help)CS1 maint: archived copy as title (link)
  52. ^ "WHITE PAPER : Roadmap to a Single European Transport Area – Towards a competitive and resource efficient transport system" (PDF). Eur-lex.europa.eu. Retrieved 2016-12-22.<
  53. ^ "UN Decade of Action for Road Safety 2011-2020". Road Safety fund. FIA foundation / WHO. Retrieved 8 March 2014.
  54. ^ "International Traffic and Accident Data" (PDF). Retrieved 2017-10-02.
  55. ^ "Aiming to Reduce Fatal Traffic Accidents: Zero Vision, Zero Results?". Retrieved 2008-11-13.
  56. ^ "GOVERNMENT STATUS REPORT, SWEDEN" (PDF). Swedish Road Administration. Archived from the original (PDF) on 2011-09-28. {{cite journal}}: Cite journal requires |journal= (help); Unknown parameter |authors= ignored (help); Unknown parameter |deadurl= ignored (|url-status= suggested) (help)
  57. ^ "DEVELOPMENT OF ROAD SAFETY IN SWEDEN" (PDF). Unece.org. Retrieved 2016-12-22.
  58. ^ https://www.trafa.se/en/road-traffic/road-traffic-injuries/
  59. ^ "Does the Vision Zero work?". Archived from the original on 2014-04-15. Retrieved 2014-04-15. {{cite web}}: Unknown parameter |deadurl= ignored (|url-status= suggested) (help)
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