Search for dissertations about: "Statens väg- och transportforskningsinstitut"
Showing result 6 - 10 of 24 swedish dissertations containing the words Statens väg- och transportforskningsinstitut.
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6. Competition in Public Transport : Essays on competitive tendering and open-access competition in Sweden
Abstract : The results of this work show that the cost efficiency of tendered bus services is similar across all Swedish counties, except for the more high-density counties where efficiency is lower. Considerably lower efficiency is also found for contracts with services run in-house by the Public Transport Authority (PTA), compared to when the same service is run by a private actor. READ MORE
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7. Effects of hearing loss on traffic safety and mobility
Abstract : The aim of this PhD thesis was to investigate traffic safety and mobility for individuals with hearing loss (HL). Three studies were conducted: 1. a questionnaire survey aimed to evaluate differences in choice of transportation that might be related to HL, 2. READ MORE
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8. Occurrence of Traffic-Derived Microplastics in Different Matrices in the Road Environment
Abstract : The prevalence of microplastic contamination has raised concerns about the potential risk and impact on the global environment. Traffic-derived microplastics, i.e., tire wear particles (TWP), polymer-modified bitumen, and road markings contribute to the emissions, and TWP are assumed to be one of the largest sources of microplastic emissions. READ MORE
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9. Sustainable Electromobility : A System Approach to Transformation of Transportation
Abstract : This thesis aims to explore, analyze, and develop knowledge that leads to an understanding of identifying the key actors and their symbiotic relationships and dependencies in transforming the energy and transportation system from fossil-based to renewable and fossil fuel-powered vehicles to electric. The research was explorative and categorized into two studies. READ MORE
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10. Just-in-Time Arrival in Port Calls : Potential and Implementation
Abstract : There is an urgent need to reduce emissions from maritime transportation to meet environmental targets set by international organizations and governments. To reduce emissions from maritime transportation, technical, market-based, and operational measures can be used. READ MORE