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Truck Mounted Attenuator

April 22, 2026

Recently, the Ministry of Road Transport and Highways (MoRTH) has introduced truck mounted safety system i.e Truck Mounted Attenuator to reduce risks in construction and maintenance zones.

About Truck Mounted Attenuator:

  • Truck Mounted Attenuators are specially designed impact-absorbing safety devices that play a critical role in protecting both workers and road users.
  • Functions of Truck Mounted Attenuators
    • In the event of a collision, these systems absorb and dissipate kinetic energy, reducing the force of impact. This helps:
      • Protect maintenance crews working ahead of the vehicle
      • Reduce injury risks for occupants of the impacting vehicle
      • Minimize the severity of accidents in highway work zones
      • In many ways, TMAs act like an invisible shield — standing between danger and human life.
    • Early warnings that prevent accidents: These TMAs are equipped with high-intensity wig-wag warning lights, designed to flash in alternating patterns that form directional arrows.
      • These signals provide clear and timely warnings to approaching drivers.
      • It is especially valuable on high-speed highway corridors, during night-time operations and in foggy or low-visibility conditions
    • By alerting drivers well in advance, these systems help prevent collisions before they occur.

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