India has deployed 33 truck mounted attenuators and 15 towable units across nine national highway projects spanning 681 kilometres in Andhra Pradesh and Gujarat, marking a significant step towards protecting maintenance workers and motorists in high-risk construction zones.
The Ministry of Road Transport and Highways announced on Tuesday that all 48 attenuators meet global MASH Test Level-3 and NCHRP 350 standards.
The impact-absorbing safety devices are designed to withstand collisions at speeds up to 100 kilometres per hour, significantly reducing accident severity in work zones where fast-moving traffic and limited visibility create dangerous conditions for highway workers.
The systems absorb and dissipate kinetic energy during rear-end collisions, protecting both maintenance crews positioned ahead and occupants of impacting vehicles.
A single concessionaire managing the nine highway projects across Andhra Pradesh and Gujarat deployed the attenuators with integrated high-intensity wig-wag warning systems that flash in alternating patterns to form directional arrows.
These signals provide clear warnings to approaching drivers, proving particularly effective during night operations, foggy conditions and high-speed traffic movement.
The ministry stated that maintenance and construction zones on busy highways represent some of the most vulnerable areas where speeding vehicles and limited visibility can lead to severe accidents.
The deployment reflects the ministry's ongoing encouragement of concessionaires to adopt advanced safety interventions across highway projects, aligning with broader national goals to reduce road fatalities and improve worker safety standards under highway expansion programmes.
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