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The overall effects of road works on global warming gas emissions

机译：道路工程对全球变暖气体排放的总体影响

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摘要

Road characteristics influence the amount of pollution generated by traffic. They govern the rolling resistance, which includes: the viscoelastic behaviour of the pavement structure, surface texture, and profile unevenness. Road works are performed on a periodic basis to maintain these characteristics at proper levels of service (e.g. safety, comfort, and noise). While such works produce additional pollution (due to congestion around worksites or extra fuel consumption along the detour route), they still result in less pollution over the long term. This article assesses the balance between an increase in gas emissions during road works and the reduction in emissions from traffic once the works are completed. It is demonstrated that when road works are introduced to correct longitudinal profiles, rather than texture, the emissions benefit is substantial.
机译：道路特征影响交通产生的污染量。它们控制滚动阻力，包括：路面结构的粘弹性行为，表面纹理和轮廓不均匀。道路工程会定期进行，以在适当的服务水平（例如安全性，舒适性和噪音）下保持这些特性。尽管此类工程产生了额外的污染（由于工地周围的拥堵或绕行路线沿途的额外燃料消耗），但从长远来看，它们仍会减少污染。本文评估了道路工程期间气体排放量增加与工程完成后交通排放量减少之间的平衡。事实证明，当引入道路工程以校正纵向轮廓而不是纹理时，排放效益是巨大的。

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