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The National Highways Authority of India (NHAI) has introduced Kerala's first highway noise barriers along the 12.75 km Aroor Thuravoor elevated road to reduce traffic noise near residential areas, schools, and hospitals. The transparent polycarbonate panels, fitted above existing boundary walls, are expected to lower noise levels by 10-15 decibels. Work is ongoing on the Thuravoor Kuthiathode section, with a dedicated cycle track beneath the elevated corridor. A 5 km stretch will open by March, while the full highway is expected to be completed by late June, balancing infrastructure development with community concerns.
The National Highways Authority of India (NHAI) has installed the first highway noise barriers in Kerala along the 12.75 km Aroor Thuravoor elevated road to reduce traffic sound in densely populated and sensitive areas. The elevated road is constructed above the existing four lane NH66 highway without acquiring new land, which brings it close to homes, schools, hospitals, and commercial buildings. Residents had previously raised concerns about noise and pollution, prompting NHAI to implement these barriers to protect local communities. Advertisement
The transparent polycarbonate panels have been mounted above 4 metre-high boundary walls and measure around 1.8 metres tall. NHAI officials said these panels are designed to reduce noise by 10-15 decibels, helping lower the impact of engine and horn sounds on nearby residents. The barriers are currently being installed on the Thuravoor Kuthiathode section, where work is ongoing, and similar designs have been successfully used in other parts of India, including Delhi.
In addition to noise control, the project includes the construction of a dedicated cycle track beneath the elevated deck, near the Thuravoor section. This facility is part of NHAI's effort to integrate safer mobility options for non-motorized transport along highways. The cycle track will run alongside utility lines and provides a secure corridor for cyclists, marking a first for highway projects in Kerala.
The elevated highway's phased opening is planned to begin with a 5 km stretch between the Aroor and Chandiroor ramps by March. This section will allow vehicles to access the elevated corridor while the remaining segments are completed. NHAI now targets full completion of the highway by late June. Officials emphasized that the elevated design allows continuous traffic flow on the existing NH66 while construction progresses, minimizing disruptions to commuters.
Local residents have welcomed the noise barriers and cycling facilities but have requested the restoration of service roads and local streets affected by construction. Many pointed out that road quality in these areas has been compromised due to ongoing works, and they urged authorities to ensure accessibility and safety while completing the elevated highway.
The project reflects a broader trend in infrastructure planning that considers environmental and social impacts alongside mobility improvements.
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