Improvement effect of popularization of new energy vehicles on urban road traffic noise in Suzhou urban area

YANG Jie; GUI Yuchen; SHAO Zhijuan; SHEN Chunqi; GAO Jiahui; LU Yunping; DING Zhonghai

doi:10.13205/j.hjgc.202602018

Volume 44 Issue 2

Feb. 2026

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Article Navigation > ENVIRONMENTAL ENGINEERING > 2026 > 44(2): 158-168

YANG Jie, GUI Yuchen, SHAO Zhijuan, SHEN Chunqi, GAO Jiahui, LU Yunping, DING Zhonghai. Improvement effect of popularization of new energy vehicles on urban road traffic noise in Suzhou urban area[J]. ENVIRONMENTAL ENGINEERING , 2026, 44(2): 158-168. doi: 10.13205/j.hjgc.202602018

Citation:

YANG Jie, GUI Yuchen, SHAO Zhijuan, SHEN Chunqi, GAO Jiahui, LU Yunping, DING Zhonghai. Improvement effect of popularization of new energy vehicles on urban road traffic noise in Suzhou urban area[J]. ENVIRONMENTAL ENGINEERING , 2026, 44(2): 158-168. doi: 10.13205/j.hjgc.202602018

Citation:

YANG Jie, GUI Yuchen, SHAO Zhijuan, SHEN Chunqi, GAO Jiahui, LU Yunping, DING Zhonghai. Improvement effect of popularization of new energy vehicles on urban road traffic noise in Suzhou urban area[J]. ENVIRONMENTAL ENGINEERING , 2026, 44(2): 158-168. doi: 10.13205/j.hjgc.202602018

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Improvement effect of popularization of new energy vehicles on urban road traffic noise in Suzhou urban area

doi: 10.13205/j.hjgc.202602018

1. School of Environmental Science and Engineering, Suzhou University of Science and Technology, Suzhou 215009, China;
2. Suzhou Institute of Environmental Science, Suzhou 215011, China;
3. Suzhou Bureau of Ecology and Environment, Suzhou 215011, China

Received Date: 2025-04-07
Available Online: 2026-04-11
Publish Date: 2026-02-01

Abstract

Abstract

Road traffic noise pollution has become increasingly severe in urban areas. Unlike traditional fuel-powered vehicles， new energy vehicles （NEVs） rely on distinct power sources， endowing them with inherent noise reduction advantages during operation. However， the specific improvement effect of NEV adoption on the quality of the urban traffic sound environment remains unclear. Based on real-time road traffic noise monitoring data collected in the urban area of Suzhou from 2020 to 2023， this study employs ArcGIS spatial analysis， grey correlation analysis， and other methods to systematically evaluate the impact of NEV penetration on the spatiotemporal characteristics of road traffic noise pollution and its mitigation effects. The results indicate that： 1） The nighttime noise compliance rate is significantly lower than that during daytime； the annual noise trough and peak occur in February and July， respectively. Traffic noise is closely correlated with motor vehicle activity—peak-hour noise levels exhibit minimal fluctuations， while non-peak-hour noise values show a gradual downward trend. Nighttime noise exceedance periods are concentrated around 22：00 and 04：00—06：00. 2） Noise pollution is most severe on arterial and secondary roads， commercial hubs， and roads adjacent to university towns， whereas scenic areas and residential districts experience relatively mild pollution. 3） Traffic congestion is identified as a key contributing factor to noise pollution. With the continuous increase in NEV penetration， non-peak-hour traffic noise has decreased significantly， demonstrating the positive mitigation effect of NEVs on traffic noise during this period.
- urban road traffic noise,
- new energy vehicles （NEVs）,
- spatiotemporal distribution,
- influencing factors,
- Suzhou urban area

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References(35)

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