Quieter Roads Ahead
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Date
2025-10-13
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Université Badji Mokhtar Annaba
Abstract
One of the loudest—and most ignored—types of urban pollution that demands attention is tirepavement noise. The most promising materials for quieter roads are examined in this review: porous asphalt, rubberized asphalt and recycled plastic composites. By absorbing or lessening the sound produced when tires strike pavement, these materials can reduce road noise by 3 to 10 decibels. Although porous asphalt is the most popular, rubberized asphalt is a reliable and long-lasting alternative, and if plastic composites are improved, they can also provide sustainability benefits. We explain how these materials function, and their potential futures based on current research and real-world case studies.
Description
Conclusion : Transitioning to quieter roads is both possible and urgent. Integrating porous asphalt, rubberized asphalt, or recycled plastic composites into infrastructure projects can reduce up to
85% of the sound energy generated by tire-pavement interaction. These technologies offer strong technical, environmental, and societal value. Public agencies and engineers should lead the way in implementing these solutions fully aligned with the goals of NCBMGSE-Béjaïa 2025.
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Citation
National Congress on Building Materials, Geotechnical and Structural Engineering