Can the Sound of Traffic Increase Stress and Anxiety? Study Sheds Light - Video

Man Made sounds such as vehicle traffic can mask the positive impact of nature soundscapes on people's stress and anxiety, according to a new study published in the open-access journal PLOS ONE.

In the new study, 68 student volunteers listened to three 3-minute soundscapes: a nature soundscape recorded at sunrise in West Sussex, U.K., the same soundscape combined with 20 mile per hour road traffic sounds, and the same soundscape with 40 mile per hour traffic sounds. General mood and

anxiety were assessed before and after the soundscapes using self-reported scales.

The study found that listening to a natural soundscape reduced self-reported stress and anxiety levels, and also enhanced mood recovery after a stressor. However, the benefits of improved mood associated with the natural soundscape was limited when traffic sounds were included. The natural soundscape alone was associated with the lowest levels of stress and anxiety, with the highest levels reported after the soundscape that included 40 miles per hour traffic.

The authors conclude that reducing traffic speed in urban areas might influence human health and wellbeing not only through its safety impacts, but also through its effect on natural soundscapes.

The authors add: “Our study shows that listening to natural soundscapes can reduce stress and anxiety, and that anthropogenic sounds such as traffic noise can mask potential positive impacts. Reducing traffic speeds in cities is therefore an important step towards more people experiencing the positive effects of nature on their health and wellbeing.”

Reference: Gilmour LRV, Bray I, Alford C, Lintott PR (2024) Natural soundscapes enhance mood recovery amid anthropogenic noise pollution. PLoS ONE 19(11): e0311487. https://doi.org/10.1371/journal.pone.0311487