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Published on: January 20, 2023
Streets classification models by urban features for road traffic noise estimation.
Alexandra L Montenegro1, Guillermo Rey-Gozalo2, Jorge P Arenas1
1LABACAM, Instituto de Acústica, Universidad Austral de Chile, Valdivia, Chile.
Urban planning can now effectively reduce traffic noise pollution by categorizing roads based on their features. This approach helps planners minimize noise exposure and create quieter urban environments.
Area of Science:
- Environmental Science
- Urban Planning
- Acoustics
Background:
- Road traffic is a major source of urban noise pollution, exacerbated by poor urban planning.
- Effective noise reduction strategies require integrating traffic noise analysis into urban development.
Purpose of the Study:
- To develop a universal methodology for stratifying urban roads by functionality using urban features.
- To create a tool for clustering similar streets and their associated traffic noise levels.
Main Methods:
- Utilized multivariate ordered logistic regression to develop three statistical models (Model 1, 2, and 3).
- Stratified urban roads into five, four, and three categories, respectively, achieving high predictive accuracy (McFadden pseudo-R² 0.5–0.6).
Main Results:
- Identified key urban features (road dimensions, transport infrastructure, public transit routes) linked to increased traffic noise.
- Model 1 is suitable for developed cities, Model 2 for growing cities, and Model 3 for local management and specific acoustic applications.
Conclusions:
- The developed models provide a data-driven approach for urban and transportation planners to reduce noise exposure.
- These models support strategic urban planning for effective, adaptable, and sustainable city noise reduction.
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