Article Relation between Observed and Perceived Traffic Noise and Socio-Economic Status in Urban Blocks of Different Characteristics Malte von Szombathely 1,* ID , Myriam Albrecht 1, Jobst Augustin 2, Benjamin Bechtel 1 ID , Isabel Dwinger 1, Philine Gaffron 3, Anne Caroline Krefis 2, Jürgen Oßenbrügge 1 and Anke Strüver 1 1 Institute of Geography, Centrum für Erdsystemforschung und Nachhaltigkeit (CEN), Universität Hamburg, Bundesstr. 55, 20146 Hamburg, Germany;
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[email protected] Received: 20 December 2017; Accepted: 24 February 2018; Published: 28 February 2018 Abstract: Living in cities offers many benefits and thus more and more people are living in urban areas. However, the concentration of human activities also creates environmental stressors with severe influence on people’s health and well-being. Noise is an environmental stressor with known health impact. Despite this, studies investigating small-scale difference in noise exposure and annoyance are lacking. Against this background, this case study investigates environmental justice empirically, focusing on the distribution of road traffic noise and its perception in Hamburg, Germany.