The National Highways Authority of India (NHAI) has mandated the adoption of automated and mechanized technologies for the maintenance of National Highways and Expressways. This initiative shifts operations from manual labor to technology-driven solutions to enhance structural durability, road safety, and cleanliness.
Key Mechanized Technologies Adopted
- Mechanized Drain Cleaning: Utilizes high-velocity suction and jetting machines to clear debris, preventing waterlogging and protecting the highway sub-grade from water-induced erosion.
- Automatic Pothole Patching: Employs self-contained units that integrate cleaning, tack coating, material dispensing, and compaction into a single mobile operation for durable, rapid repairs.
- Mechanized Road Sweeping: Uses truck-mounted vacuum sweepers to remove dust and gravel, improving vehicular grip and reducing particulate matter (PM2.5 and PM10) emissions.
Objectives and Impact
- Structural Longevity: Mechanized desilting keeps road crusts dry, preventing moisture-related stripping in asphalt layers.
- Operational Efficiency: Automated repairs significantly reduce lane closure times and traffic bottlenecks compared to manual methods.
- Safety: Reduces occupational hazards for laborers by minimizing their presence on high-speed corridors and decreases accident risks for commuters.
- Policy Shift: NHAI has integrated these requirements into Service Level Agreements (SLAs) for all future EPC and BOT contracts, making the use of such machinery a mandatory pre-qualification criterion.
IASPOINT Booster Facts
- NHAI: Established via the NHAI Act, 1988; operational since 1995 under the Ministry of Road Transport and Highways (MoRTH).
- Network Significance: National Highways comprise ~2% of India’s road network but carry >40% of total vehicular traffic.
- Technology Integration: NHAI uses PM GatiShakti for geospatial planning and the ‘Data Lake’ AI platform to monitor maintenance SLAs and project progress.