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 +
 +# 20mph Speed Limit Research Sources
 +
 +| No. | Title/Description | Source URL |
 +|-----|------------------|------------|
 +| 1 | Literature summary regarding 20mph Zones and Air Quality | [moderngov.dorsetcouncil.gov.uk](https://moderngov.dorsetcouncil.gov.uk/documents/s39554/Appendix%20-%20Literature%20summary%20regarding%2020mph%20Zones%20and%20Air%20Quality.pdf) |
 +| 2 | 20mph Speed Limit and Air Pollution | [london.gov.uk](https://www.london.gov.uk/who-we-are/what-london-assembly-does/questions-mayor/find-an-answer/20mph-speed-limit-and-air-pollution) |
 +| 3 | Speed emissions and health | [content.tfl.gov.uk](https://content.tfl.gov.uk/speed-emissions-and-health.pdf) |
 +| 4 | New research on emissions strengthens case for a 20mph default | [20splenty.org](https://www.20splenty.org/new_research_on_emissions) |
 +| 5 | What is the impact of 20mph speed limits on air pollution? | [burwellparishcouncil.gov.uk](https://www.burwellparishcouncil.gov.uk/What_is_the_impact_of_20mph_speed_limits_on_air_pollution_48777.aspx) |
 +| 6 | Twenty miles per hour speed zones do not increase emissions | [bmj.com](https://www.bmj.com/content/368/bmj.m453/rr-0) |
 +| 7 | Do emissions and fuel used increase with 20mph limits? | [20splenty.org](https://www.20splenty.org/do_emission_increase) |
 +| 8 | 20 mph speed limits and zones: public health impacts | [researchbriefings.files.parliament.uk](https://researchbriefings.files.parliament.uk/documents/POST-PB-0065/POST-PB-0065.pdf) |
 +| 9 | 20mph improves traffic flows | [20splenty.org](https://www.20splenty.org/20mph_improves_traffic_flows) |
 +| 10 | 20mph Limits Save Time and Improve Traffic Flow | [20splenty.org](https://www.20splenty.org/20mph_limits_save_time_and_improve_traffic_flow) |
 +| 11 | The 20mph transformation programme | [oxfordshire.gov.uk](https://www.oxfordshire.gov.uk/transport-and-travel/traffic/20mph-scheme/20mph-transformation-programme) |
 +| 12 | Investigating the impact of a 20 miles per hour speed limit intervention | [jech.bmj.com](https://jech.bmj.com/content/77/1/17) |
 +| 13 | Use of natural experimental studies to evaluate 20mph speed limits in two major UK cities | [pmc.ncbi.nlm.nih.gov](https://pmc.ncbi.nlm.nih.gov/articles/PMC8463832/) |
 +| 14 | Misinformation and the case for 20mph speed limits | [sustrans.org.uk](https://www.sustrans.org.uk/our-blog/opinion/misinformation-and-the-case-for-20mph-speed-limits/) |
 +| 15 | Effect of 20 mph speed limits on traffic injuries in Edinburgh, UK | [jech.bmj.com](https://jech.bmj.com/content/78/7/437) |
 +| 16 | 20mph Research Study – Summary and PACTS comment | [pacts.org.uk](https://www.pacts.org.uk/20mph-research-study-summary-and-pacts-comment/) |
 +| 17 | 20mph research study: supporting technical appendix | [assets.publishing.service.gov.uk](https://assets.publishing.service.gov.uk/media/5c864fdeed915d07c88eb353/technical-appendix-2-20mph-gps-journey-speed-analysis-report.pdf) |
 +| 18 | Is 20 plenty? How councils are leading the drive for slower traffic | [lgiu.org](https://lgiu.org/blog-article/is-20-plenty-how-councils-are-leading-the-drive-for-slower-traffic/) |
 +| 19 | Approved Work: Public health impacts of 20mph speed limits and zones | [post.parliament.uk](https://post.parliament.uk/approved-work-public-health-impacts-of-20mph-speed-limits-and-zones/) |
 +| 20 | 20mph research study - process and impact evaluation: headline report | [assets.publishing.service.gov.uk](https://assets.publishing.service.gov.uk/media/5bf2bab940f0b6078acc6f4d/20mph-headline-report.pdf) |
 +| 21 | 20 mph speed limits have seemingly little impact on crashes, casualties, driver speed | [eurekalert.org](https://www.eurekalert.org/news-releases/971096) |
 +| 22 | Impact of Maximum Speed on Journey Times | [futuretransport.info](https://futuretransport.info/impact-of-maximum-speed-on-journey-times/) |
 +| 23 | Evidence about 20mph journey times | [gov.wales](https://www.gov.wales/evidence-about-20mph-journey-times) |
 +| 24 | 20mph-Misinformation-Fact-Sheet | [rctcbc.gov.uk](https://www.rctcbc.gov.uk/EN/GetInvolved/Consultations/RelatedDocuments/Trafficconsultations/2023/IF220MISINFORMATION.pdf) |
 +| 25 | New data 'shows benefits of driving at 20mph' | [roadsafetygb.org.uk](https://roadsafetygb.org.uk/news/new-data-shows-benefits-of-driving-at-20mph/) |
 +| 26 | Our 20mph speed limit proven to make roads safer | [richmond.gov.uk](https://www.richmond.gov.uk/news/news_september_2024/20mph_speed_limit-proven_to_make_roads_safer) |
 +| 27 | 20mph limit is working and journey times just 45 seconds longer | [reddit.com](https://www.reddit.com/r/unitedkingdom/comments/16sgbge/20mph_limit_is_working_and_journey_times_just_45/) |
 +| 28 | The state of the evidence on 20mph speed limits | [gov.wales](https://www.gov.wales/sites/default/files/publications/2019-08/the-state-of-the-evidence-on-20mph-speed-limits-with-regards-to-road-safety-active-travel-and-air-pollution-impacts-august-2018.pdf) |
 +| 29 | Analysis of interest, public sentiments and opinion about 20mph speed restrictions | [pubmed.ncbi.nlm.nih.gov](https://pubmed.ncbi.nlm.nih.gov/34740345/) |
 +| 30 | Public attitudes to, and perceived impacts of 20mph speed limits in Edinburgh | [researchgate.net](https://www.researchgate.net/publication/356783658_Public_attitudes_to_and_perceived_impacts_of_20mph_32_kmh_speed_limits_in_Edinburgh_An_exploratory_study_using_the_Speed_Limits_Perceptions_Survey_SLiPS) |
 +| 31 | Public attitudes towards 20mph limits 'positive or neutral' | [roadsafetygb.org.uk](https://roadsafetygb.org.uk/news/public-attitudes-towards-20mph-limits-positive-or-neutral/) |
 +| 32 | Public attitudes to, and perceived impacts of 20mph speed limits in Edinburgh | [pmc.ncbi.nlm.nih.gov](https://pmc.ncbi.nlm.nih.gov/articles/PMC7612163/) |
 +| 33 | 20mph speed limits get the seal of approval from communities | [westmorlandandfurness.gov.uk](https://www.westmorlandandfurness.gov.uk/news/2025/20mph-speed-limits-get-seal-approval-communities) |
 +| 34 | Join over 2000 residents and share views on 20mph speed limit proposals | [westmorlandandfurness.gov.uk](https://www.westmorlandandfurness.gov.uk/news/2024/join-over-2000-residents-and-share-views-20mph-speed-limit-proposals) |
 +| 35 | Views sought on proposed 20mph zone in Kenn | [n-somerset.gov.uk](https://n-somerset.gov.uk/news/views-sought-proposed-20mph-zone-kenn) |
 +| 36 | Residents invited to give views on proposed 20mph zone | [plymouth.gov.uk](https://www.plymouth.gov.uk/news/residents-invited-give-views-proposed-20mph-zone) |
 +| 37 | Residents tell councillors views on 20mph zones | [abergavennychronicle.com](https://www.abergavennychronicle.com/news/residents-tell-councillors-views-on-20mph-zones-557791) |
 +| 38 | Wales overwhelmingly rejects the 20mph speed limit | [yougov.co.uk](https://yougov.co.uk/politics/articles/50349-wales-overwhelmingly-rejects-the-20mph-speed-limit) |
 +| 39 | The Social Psychology of Speeding: attitudes to 20mph | [think.aber.ac.uk](https://think.aber.ac.uk/the-social-psychology-of-speeding-attitudes-to-20mph/) |
 +| 40 | Appendix C:- Summary of Formal Objections and Officer Responses | [democracy.bathnes.gov.uk](https://democracy.bathnes.gov.uk/documents/s21936/Appx%20C%20Summary%20of%20Objections.pdf) |
 +| 41 | Reducing the speed limit to 20 mph in urban areas: Child deaths and injuries would be decreased | [pmc.ncbi.nlm.nih.gov](https://pmc.ncbi.nlm.nih.gov/articles/PMC1127572/) |
 +| 42 | Unlocking the great 20mph debate | [roadsafetygb.org.uk](https://roadsafetygb.org.uk/news/unlocking-the-great-20mph-debate/) |
 +| 43 | Seven in 10 oppose default 20mph speed limit in Wales | [reddit.com](https://www.reddit.com/r/ukpolitics/comments/1ey0ees/seven_in_10_oppose_default_20mph_speed_limit_in/) |
 +| 44 | Seven in 10 oppose default 20mph speed limit in Wales | [news.sky.com](https://news.sky.com/story/seven-in-10-oppose-default-20mph-speed-limit-in-wales-new-poll-finds-as-welsh-government-vows-to-listen-to-concerns-13200258) |
 +| 45 | RDS Speed Surveys | [rdservices.co.uk](https://rdservices.co.uk/news/aa-speed-survey/) |
 +| 46 | 20mph survey | [iamroadsmart.com](https://www.iamroadsmart.com/docs/default-source/research-reports/report_20mph.pdf?sfvrsn=f360e750_4) |
 +| 47 | 20MPH Speed Limit Zones - Consultation Results | [democracy.lbhf.gov.uk](https://democracy.lbhf.gov.uk/mgAi.aspx?ID=37352) |
 +| 48 | Written Statement: 20mph public consultation summary report | [gov.wales](https://www.gov.wales/written-statement-20mph-public-consultation-summary-report) |
 +| 49 | Speed Limits Review: 20mph and Rural Roads | [consultationhub.edinburgh.gov.uk](https://consultationhub.edinburgh.gov.uk/sfc/slowerspeeds/) |
 +| 50 | Decision - Wallingford - Proposed 20 mph Speed Limits | [mycouncil.oxfordshire.gov.uk](https://mycouncil.oxfordshire.gov.uk/ieDecisionDetails.aspx?AIId=28408) |
 +| 51 | Proposal to reduce speed limit to 20mph on residential streets: summary of responses | [gov.wales](https://www.gov.wales/proposal-reduce-speed-limit-20mph-residential-streets-summary-responses-html) |
 +| 52 | Support for 20mph limits is strong and rising | [20splenty.org](https://www.20splenty.org/support_for_20mph_limits_is_strong_and_rising) |
 +| 53 | Survey shows support for 20mph zones | [ukroed.org.uk](https://www.ukroed.org.uk/survey-shows-support-for-20mph-zones/) |
 +| 54 | Survey suggests public support for 20mph limits is 'holding firm' | [roadsafetygb.org.uk](https://roadsafetygb.org.uk/news/n-a-6099/) |
 +| 55 | New research shows 20mph speed limit could save Wales £100 million in first year | [gov.wales](https://www.gov.wales/new-research-shows-20mph-speed-limit-could-save-wales-100-million-first-year) |
 +| 56 | 20 mph speed limits and zones: public health impacts | [post.parliament.uk](https://post.parliament.uk/research-briefings/post-pb-0065/) |
 +| 57 | A Guide to 20mph zones and limits | [rospa.com](https://www.rospa.com/getattachment/8e57bd95-4173-4ae9-b31c-d92819f64a53/A-Guide-to-20mph-limits-revised-May23.pdf?lang=en-US) |
 +| 58 | Speeding Makes Work Zones Dangerous for Everyone | [nsc.org](https://www.nsc.org/safety-first/speeding-makes-work-zones-dangerous-for-everyone) |
 +| 59 | A Guide to 20mph Limits | [rospa.com](https://www.rospa.com/rospaweb/docs/advice-services/road-safety/employers/guide-to-20mph-limits.pdf) |
 +| 60 | Is a 20 Mile Per Hour Speed Limit Annoying or Necessary? | [roadxs.com](https://www.roadxs.com/insights/is-a-20-mile-per-hour-speed-limit-annoying-or-necessary/) |
 +| 61 | Evidence-based intervention talking points 30 KM/H (20 MPH) Zones | [roadsafetyngos.org](http://www.roadsafetyngos.org/wp-content/uploads/2023/03/Talking-points_-30kmh-zones.pdf) |
 +| 62 | Appropriate Speed Limits for All Road Users | [highways.dot.gov](https://highways.dot.gov/safety/proven-safety-countermeasures/appropriate-speed-limits-all-road-users) |
 +| 63 | Road Safety factsheet: 20mph Zones and Speed Limits | [rospa.com](https://www.rospa.com/rospaweb/docs/advice-services/road-safety/drivers/20-mph-zone-factsheet.pdf) |
 +| 64 | Appropriate Speed Limits for All Road Users | [safety.fhwa.dot.gov](https://safety.fhwa.dot.gov/provencountermeasures/pdf/PSC_New_App%20Speed%20Limits_508.pdf) |
 +| 65 | Benefits of 20mph limit schemes | [kent.gov.uk](https://www.kent.gov.uk/roads-and-travel/road-projects/completed-road-projects/emergency-active-travel-fund-schemes/benefits-of-20mph-limit-schemes) |
 +| 66 | Lower speed limits | [roadsafetyngos.org](https://www.roadsafetyngos.org/toolkit/priority-interventions/lower-speed-limits/) |
 +| 67 | Roads in communities | [brake.org.uk](https://www.brake.org.uk/get-involved/take-action/mybrake/knowledge-centre/road-design/roads-in-communities) |
 +| 68 | Impact Speed and a Pedestrian's Risk of Severe Injury or Death | [nacto.org](https://nacto.org/wp-content/uploads/2011PedestrianRiskVsSpeed.pdf) |
 +| 69 | Vehicle height compounds dangers of speed for pedestrians | [iihs.org](https://www.iihs.org/news/detail/vehicle-height-compounds-dangers-of-speed-for-pedestrians) |
 +| 70 | Pedestrian fatality risk as a function of car impact speed | [nacto.org](https://nacto.org/wp-content/uploads/pedestrian_fatality_risk_function_car_impact_speed_rosen.pdf) |
 +| 71 | How Speed Affects Pedestrian Accident Severity | [avrek.com](https://www.avrek.com/blog/how-speed-affects-pedestrian-accident-severity/) |
 +| 72 | Impact Speed and a Pedestrian's Risk of Severe Injury or Death | [aaafoundation.org](https://aaafoundation.org/impact-speed-pedestrians-risk-severe-injury-death/) |
 +| 73 | Impact speed and a pedestrian's risk of severe injury or death | [pubmed.ncbi.nlm.nih.gov](https://pubmed.ncbi.nlm.nih.gov/22935347/) |
 +| 74 | Relationship between Speed and Risk of Fatal Injury: Pedestrians and Car Occupants | [ukr-resources-4.s3.eu-west-2.amazonaws.com](https://ukr-resources-4.s3.eu-west-2.amazonaws.com/wp-content/uploads/2018/12/08181404/Relationship_between_Speed_and.pdf) |
 +| 75 | Child and Adult Pedestrian Impact: The Influence of Vehicle Type on Injury Severity | [pmc.ncbi.nlm.nih.gov](https://pmc.ncbi.nlm.nih.gov/articles/PMC3217548/) |
 +| 76 | Pedestrians and their survivability at different impact speeds | [www-nrd.nhtsa.dot.gov](https://www-nrd.nhtsa.dot.gov/pdf/ESV/Proceedings/20/07-0440-W.pdf) |
 +| 77 | A modern injury risk curve for pedestrian injury in the United States | [iihs.org](https://www.iihs.org/api/datastoredocument/bibliography/2322) |
 +| 78 | At what speed can a pedestrian crash become deadly? | [ledwardslaw.com](https://www.ledwardslaw.com/blog/2024/05/at-what-speed-can-a-pedestrian-crash-become-deadly/) |
 +| 79 | Chapter 5. Risk Factors Other than Exposure | [highways.dot.gov](https://highways.dot.gov/safety/pedestrian-bicyclist/safety-tools/synthesis-methods-estimating-pedestrian-and-bicyclist-8) |
 +| 80 | New NHTSA Data - Speed Data Shows Lethal Legal Speed Limits | [data.bikeleague.org](https://data.bikeleague.org/new-nhtsa-data-speed-data-shows-lethal-legal-speed-limits-involved-in-most-pedestrian-and-bicyclist-deaths/) |
 +| 81 | The relationship between impact speed and the probability of pedestrian fatality | [pubmed.ncbi.nlm.nih.gov](https://pubmed.ncbi.nlm.nih.gov/31176144/) |
 +| 82 | What is the correlation between collision speed and pedestrian fatality rate? | [swov.nl](https://swov.nl/en/fact/pedestrians-what-correlation-between-collision-speed-cars-and-pedestrian-fatality-rate) |
 +| 83 | A modern injury risk curve for pedestrian injury in the United States | [iihs.org](https://www.iihs.org/topics/bibliography/ref/2322) |
 +| 84 | Setting Speed Limits for Health and Safety | [bikeleague.org](https://bikeleague.org/wp-content/uploads/2024/04/Setting-Speed-Limits-for-Health-and-Safety.pdf) |
 +| 85 | All cyclists must adhere to 20mph speed limits during time trials in Britain | [reddit.com](https://www.reddit.com/r/ukbike/comments/1alxb9p/all_cyclists_must_adhere_to_20mph_speed_limits/) |
 +| 86 | Bicyclist laws & safety | [wsdot.wa.gov](https://wsdot.wa.gov/travel/bicycling-walking/bicycling-washington/bicyclist-laws-safety) |
 +| 87 | New Resource: Setting Speed Limits for Health and Safety | [bikeleague.org](https://bikeleague.org/new-resource-setting-speed-limits-for-health-and-safety/) |
 +| 88 | 20mph: lower speeds, better streets | [cyclinguk.org](https://www.cyclinguk.org/20mph-lower-speeds-better-streets) |
 +| 89 | Traffic Speeds Under 20 MPH Make Cyclists Feel Safe to Bike to Work | [treehugger.com](https://www.treehugger.com/traffic-speed-study-cycle-to-work-5216959) |
 +| 90 | 20mph Limits encourage walking and cycling | [20splenty.org](https://www.20splenty.org/20mph_limits_encourage_walking_and_cycling) |
 +| 91 | All cyclists must adhere to 20mph speed limits during time trials in Britain | [road.cc](https://road.cc/content/news/time-trial-riders-adhere-20mph-limits-guidance-says-306625) |
 +| 92 | Cyclists could be forced to follow 20mph speed limits or face £2,500 fines | [gbnews.com](https://www.gbnews.com/lifestyle/cars/cyclists-follow-20mph-speed-limit-rules-fines) |
 +| 93 | Pedestrian Safety | [chop.edu](https://www.chop.edu/centers-programs/injury-prevention-program/pedestrian-safety) |
 +| 94 | Speed, technology, road design are key factors in reducing pedestrian injuries | [publications.aap.org](https://publications.aap.org/aapnews/news/24717/Speed-technology-road-design-are-key-factors-in) |
 +| 95 | Child Pedestrian Injury: A Review of Behavioral Risks and Preventive Strategies | [pmc.ncbi.nlm.nih.gov](https://pmc.ncbi.nlm.nih.gov/articles/PMC3467946/) |
 +| 96 | Child Pedestrians | [rospa.com](https://www.rospa.com/media/documents/road-safety/road-observatory/Pedestrians-Child-pedestrians.pdf) |
 +| 97 | The urban traffic environment and the risk of child pedestrian injury | [pubmed.ncbi.nlm.nih.gov](https://pubmed.ncbi.nlm.nih.gov/7742404/) |
 +| 98 | Epidemiology and Prevention of Child Pedestrian Injury | [publications.aap.org](https://publications.aap.org/pediatrics/article/152/1/e2023062508/191566/Epidemiology-and-Prevention-of-Child-Pedestrian) |
 +| 99 | State-of-the-art review: preventing child and youth pedestrian motor vehicle collisions | [injuryprevention.bmj.com](https://injuryprevention.bmj.com/content/27/1/77) |
 +| 100 | Development of an Injury Risk Curve for Child Pedestrians in the U.S. | [ibrc.osu.edu](http://ibrc.osu.edu/wp-content/uploads/2019/02/Haus_Development-of-an-Injury-Risk-Curve-for-Child-Pedestrian.pdf) |
 +| 101 | Why 20mph speed limits will benefit you and your community | [brake.org.uk](https://www.brake.org.uk/how-we-help/raising-awareness/our-current-projects/news-and-blogs/why-20mph-speed-limits-will-benefit-you-and-your-community) |
 +| 102 | Our position on 20 mph speed limits in built-up areas | [sustrans.org.uk](https://www.sustrans.org.uk/our-blog/policy-positions/our-position-on-20-mph-speed-limits-in-built-up-areas/) |
 +| 103 | How does 20mph improve walking, cycling and overall wellbeing? | [oneboroughvoice.lbbd.gov.uk](https://oneboroughvoice.lbbd.gov.uk/boroughwide-20mph-speed-limit/faqs) |
 +| 104 | A Guide to 20mph zones and limits | [rospa.com](https://www.rospa.com/getattachment/8d38583a-1425-457d-97d1-e6fbf3aa7735/A-Guide-to-20mph-limits-1123.pdf?lang=en-US) |
 +| 105 | New data shows benefits of driving at 20mph | [media.service.gov.wales](https://media.service.gov.wales/news/new-data-shows-benefits-of-driving-at-20mph-as-wales-prepares-to-lower-default-speed-limit) |
 +| 106 | 20mph Limits for Liveability | [20splenty.org](https://www.20splenty.org/20mph_limits_for_liveability) |
 +| 107 | Do 20mph speed limits reduce casualties and increase cycling, walking, and liveability? | [isrctn.com](https://www.isrctn.com/ISRCTN10200526) |
 +| 108 | Building "Streets for Life:" The many benefits of lower speed limits | [blogs.worldbank.org](https://blogs.worldbank.org/en/transport/building-streets-life-many-benefits-lower-speed-limits) |
 +| 109 | 10 ways that 20mph limits benefit drivers | [20splenty.org](https://www.20splenty.org/10_ways_that_20mph_limits_benefit_drivers) |
 +| 110 | Can 20 mph speed limits reduce community severance? | [think.aber.ac.uk](https://think.aber.ac.uk/can-20-mph-speed-limits-reduce-community-severance/) |
 +| 111 | 20mph Limits for Villages | [20splenty.org](https://www.20splenty.org/20mph_limits_for_villages) |
 +| 112 | Wide area 20mph limits help children and families | [20splenty.org](https://www.20splenty.org/wide_area_20mph_limits_help_children_and_families) |
 +| 113 | Why should we have lower speed limits? | [cyclinguk.org](https://www.cyclinguk.org/article/why-should-we-have-lower-speed-limits) |
 +| 114 | 20mph speed limit supports noise reduction in Wales | [ioa.org.uk](https://www.ioa.org.uk/news/20mph-speed-limit-supports-noise-reduction-wales) |
 +| 115 | Birmingham City Council 20mph Limits – Mythbusters | [birmingham.gov.uk](https://www.birmingham.gov.uk/download/downloads/id/3924/20mph_limits_mythbusters.pdf) |
 +| 116 | 20mph cuts air and noise pollution to prevent blighted lives | [20splenty.org](https://www.20splenty.org/airandnoisepollution) |
 +| 117 | Noise and speed - A guest Blog from UK Noise Association | [20splenty.org](https://www.20splenty.org/noise_and_speed) |
 +| 118 | The effects of lowering speed limits in cities | [blog.ptvgroup.com](https://blog.ptvgroup.com/en/trend-topics/the-effects-of-lowering-speed-limits-in-cities/) |
 +| 119 | 20mph speed limits - Cornwall Council | [cornwall.gov.uk](https://www.cornwall.gov.uk/transport-parking-and-streets/roads-highways-and-pavements/20mph-speed-limits/) |
 +| 120 | 20mph speed limits do save lives | [sciencefocus.com](https://www.sciencefocus.com/comment/20mph-speed-limits-save-lives) |
 +| 121 | 20mph brings many benefits | [thevillage.co](https://www.thevillage.co/2018/12/20/20mph-brings-many-benefits/) |
 +| 122 | Lowering urban speed limits to 30 km/h reduces noise annoyance | [researchgate.net](https://www.researchgate.net/publication/365621775_Lowering_urban_speed_limits_to_30_kmh_reduces_noise_annoyance_and_shifts_exposure-response_relationships_Evidence_from_a_field_study_in_Zurich) |
 +| 123 | Lowering urban speed limits to 30 km/h reduces noise annoyance | [pubmed.ncbi.nlm.nih.gov](https://pubmed.ncbi.nlm.nih.gov/36434886/) |
 +| 124 | Noise Increases with Vehicle Speed | [nonoise.org](https://www.nonoise.org/resource/trans/highway/spnoise.htm) |
 +| 125 | Noisy Speeding: Impact of Speed on Noise Level | [cameatechnology.com](https://www.cameatechnology.com/articles/noisy-speeding-impact-of-speed-on-noise-level/) |
 +| 126 | Traffic Noise | [uknoiseassociation.com](https://www.uknoiseassociation.com/uploads/4/1/4/5/41458009/ukna_traffic_noise_briefing.pdf) |
 +| 127 | Guide for Safe Speeds | [globalroadsafetyfacility.org](https://www.globalroadsafetyfacility.org/sites/default/files/2024-05/Guide%20for%20Safe%20Speeds%20-%20Managing%20Traffic%20Speeds%20to%20Save%20Lives.pdf) |
 +| 128 | Reducing speed limit to 20 mph in urban areas | [pmc.ncbi.nlm.nih.gov](https://pmc.ncbi.nlm.nih.gov/articles/PMC1119319/) |
 +| 129 | The Need for (Safe) Speed: 4 Surprising Ways Slower Driving Creates Better Cities | [wri.org](https://www.wri.org/insights/need-safe-speed-4-surprising-ways-slower-driving-creates-better-cities) |
 +| 130 | 20 mph speed limits are the right policy for sociability, safety, and a healthy population | [bmj.com](https://www.bmj.com/content/345/bmj.e6165) |
 +| 131 | Go slow: an umbrella review of the effects of 20 mph zones and limits on health | [academic.oup.com](https://academic.oup.com/jpubhealth/article/37/3/515/2362676) |
 +| 132 | How did 20 mph become a reality in Edinburgh and Belfast? | [ncbi.nlm.nih.gov](https://www.ncbi.nlm.nih.gov/books/NBK584575/) |
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woolspeedlimit.1744309079.txt.gz · Last modified: 2025/05/09 05:29 (external edit)