The Turcot complex is a highway interchange located in the city of Montreal and is surrounded by several residential areas. In 2007, it was announced that the structures of the Turcot interchange would be replaced. To this end, the Ministry of the Environment and the Fight Against Climate Change addresses environmental noise as one of the main nuisances. Environmental noise can affect health. It might be associated with annoyance, sleep disorders, cardiovascular problems and communication problems. So far, few studies have been conducted regarding noise annoyance to large infrastructure construction sites. This paper presents the preliminary results of a longitudinal study aimed at exam- ining the annoyance related to road infrastructure construction noise. 1409 subjects participated in the study: 539 were included in the target group (less than 300 m from the Turcot infrastructures) and 870 in a control group (between 300 and 1000 m from the Turcot infrastructures). The participants responded to a telephone socio-acoustic survey, divided into six sections allowing to describe the respondents and their residence and to assess their sleeping habits, their appreciation of their living environment, their opinion of different sources of noise and their opinion on the noise of the con- struction work of the Turcot complex. Target group was significantly more annoyed (p
