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Enhanced Estimation of Traffic Noise Levels Using Minute-Level Traffic Flow Data through Convolutional Neural Network

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  • Wencheng Yu

    (School of Environment and Energy, South China University of Technology, Guangzhou Higher Education Mega Center, Guangzhou 510006, China)

  • Ji-Cheng Jang

    (School of Environment and Energy, South China University of Technology, Guangzhou Higher Education Mega Center, Guangzhou 510006, China)

  • Yun Zhu

    (School of Environment and Energy, South China University of Technology, Guangzhou Higher Education Mega Center, Guangzhou 510006, China)

  • Jianxin Peng

    (School of Physics and Optoelectronics, South China University of Technology, Guangzhou 510640, China)

  • Wenwei Yang

    (Cloud & Information (Guangdong) Eco-Environment Science and Technology Co., Ltd., Foshan 528000, China)

  • Kunjie Li

    (School of Environment and Energy, South China University of Technology, Guangzhou Higher Education Mega Center, Guangzhou 510006, China)

Abstract

The advent of high-resolution minute-level traffic flow data from video surveillance on roads has opened up new opportunities for enhancing the estimation of traffic noise levels. In this study, we propose an innovative method that utilizes time series traffic flow data (TSTFD) to estimate traffic noise levels using a deep learning Convolutional Neural Network (CNN). Unlike traditional traffic flow data, TSTFD offer a unique structure and composition suitable for multidimensional data analysis. Our method was evaluated in a pilot study conducted in Foshan City, China, utilizing traffic flow information obtained from roadside video surveillance systems. Our results indicated that the CNN-based model surpassed traditional data-driven statistical models in estimating traffic noise levels, achieving a reduction in mean squared error (MSE) by 10.16%, mean absolute error (MAE) by 4.48%, and an improvement in the coefficient of determination (R²) by 1.73%. The model demonstrated robust generalization capabilities throughout the test period, exhibiting mean errors ranging from 0.790 to 1.007 dBA. However, the model’s applicability is constrained by the acoustic propagation environment, demonstrating effectiveness on roads with similar surroundings while showing limited applicability to those with different surroundings. Overall, this method is cost-effective and offers enhanced accuracy for the estimation of traffic noise level.

Suggested Citation

  • Wencheng Yu & Ji-Cheng Jang & Yun Zhu & Jianxin Peng & Wenwei Yang & Kunjie Li, 2024. "Enhanced Estimation of Traffic Noise Levels Using Minute-Level Traffic Flow Data through Convolutional Neural Network," Sustainability, MDPI, vol. 16(14), pages 1-16, July.
  • Handle: RePEc:gam:jsusta:v:16:y:2024:i:14:p:6088-:d:1436549
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    References listed on IDEAS

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    1. Ali, Mumtaz & Prasad, Ramendra & Xiang, Yong & Deo, Ravinesh C., 2020. "Near real-time significant wave height forecasting with hybridized multiple linear regression algorithms," Renewable and Sustainable Energy Reviews, Elsevier, vol. 132(C).
    2. Truls Gjestland, 2020. "On the Temporal Stability of People’s Annoyance with Road Traffic Noise," IJERPH, MDPI, vol. 17(4), pages 1-14, February.
    3. Haibo Wang & Zhipeng Wu & Xiaolin Yan & Jincai Chen, 2023. "Impact Evaluation of Network Structure Differentiation on Traffic Noise during Road Network Design," Sustainability, MDPI, vol. 15(8), pages 1-20, April.
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