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Optidrift: optimerad vinter- och barmarksdrift för bättre luftkvalitet
Swedish National Road and Transport Research Institute, Society, environment and transport, Environment.ORCID iD: 0000-0001-6600-3122
Swedish National Road and Transport Research Institute, Society, environment and transport, Environment.ORCID iD: 0000-0002-0124-04802
Swedish National Road and Transport Research Institute, Society, environment and transport, Environment.ORCID iD: 0000-0003-4815-8299
Swedish National Road and Transport Research Institute, Society, environment and transport, Environment.ORCID iD: 0000-0002-0138-0768
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2019 (Swedish)Report (Other academic)Alternative title
Optidrift : optimized urban street operation for better air quality (English)
Abstract [sv]

Drift av gator och vägar påverkar, förutom framkomlighet och säkerhet, även miljöaspekter som luftkvalitet. Åtgärder som sandning och saltning påverkar halten av inandningsbara partiklar (PM10) i luften. Driftåtgärder som görs för att minska uppvirvlingen av partiklar på våren kan å andra sidan ha effekt på vinterdriften, genom att de saltlösningar som används också fungerar som halkbekämpningsmedel. Projektet har undersökt möjligheterna att optimera gatudriften ur dessa aspekter, med ett fokus på luftkvalitet. I olika aktiviteter inhämtades synpunkter och erfarenheter kring problembild och lösningar från bransch, väghållare och praktiker. En provtagare för vägdamm, WDS II, vidareutvecklades. Utvärderingar av olika spol- och städvarianters effekt på dammförrådet visade att en positiv effekt av metoderna kräver att det finns förhållandevis mycket damm på vägytan. Optimeringstester visade att god prognosstyrning av insatserna är viktigt för ett bra resultat. En kriteriebaserad analys visade att ingen optimering av dammbindningen skett under projektperioden. Sammantaget har projektets ursprungliga mål att kunna föreslå en optimerad gatudrift i en stadsdel i Stockholm inte nåtts, främst beroende av gällande driftkontrakt och av miljökvalitetsmålets (PM10) och framkomlighetens höga prioritet i staden. Däremot har Optidrift identifierat framgångsfaktorer och problem med gatudriften, resulterat i ökad kunskap om gatudriftens effekter på dammförråd och luftkvalitet samt tagit fram användbara utvärderingsmetoder och scenarioanalyser användbara i fortsatt arbete med att förbättra och optimera vinter- och barmarksdrift.

Abstract [en]

Operation of streets and roads, in addition to accessibility and safety, also affects environmental aspects such as air quality. Measures such as sanding and salting affect the content of inhalable particles (PM10) in the air. On the other hand, operational measures that are made to reduce the suspension of particles in the spring can have an effect on the winter operation, because the salt solutions used also act as de- and anti-icing agents. The project has investigated the possibilities of optimizing street operations from these aspects, with a focus on air quality. In various activities, views and experiences were gathered about problem images and solutions from industry, road managers and practitioners. A road dust sampler, WDS II, was developed. Evaluations of the effect of different coil and cleaning variants on the road dust load showed that a positive effect of the methods requires that there is relatively much dust on the road surface. Optimization tests showed that good forecasting of dust binding is important for a good result. A criteria-based analysis showed that no optimization of the dust binding occurred during the project period. Overall, the project's original goal of being able to propose an optimized street operation in a district in Stockholm has not been achieved, mainly due to current operating contracts and of the high priority of the environmental quality objective (PM10) and accessibility in the city. On the other hand, Optidrift has identified success factors and problems with the street operation, resulting in increased knowledge about the street operations' effects on dust load and air quality, and developed useful evaluation methods and scenario analyzes useful in continued work on improving and optimizing winter and barge operations.

Place, publisher, year, edition, pages
Linköping: Statens väg- och transportforskningsinstitut, 2019. , p. 117
Series
VTI rapport, ISSN 0347-6030 ; 1004
Keywords [en]
Particulate matter, Air pollution, Dust control, Cleaning, Deicing agent, Method, Evaluation (assessment), Street, Footway, Cycle track, Urban area, Winter maintenance, Maintenance
National Category
Infrastructure Engineering
Research subject
70 Road: Maintenance; 70 Road: Maintenance, 71 Road: Winter maintenance; 70 Road: Maintenance, 71 Road: Winter maintenance
Identifiers
URN: urn:nbn:se:vti:diva-13669OAI: oai:DiVA.org:vti-13669DiVA, id: diva2:1296413
Available from: 2019-03-15 Created: 2019-03-15 Last updated: 2019-06-11Bibliographically approved

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Gustafsson, MatsBlomqvist, GöranJärlskog, IdaLundberg, JoacimNiska, AnnaJanhäll, Sara

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