Skip to main content

Intrusion warning improves workzone safety

Transpo Industries launched a unique concept in work zone intrusion protection last year. The SonoBlaster impact-activated safety device warns both roadway workers and errant vehicles simultaneously. When impacted, the unit's built-in CO2-powered horn blasts loudly (125 dB) for 15 seconds, signalling crews that their work zone has been violated. This provides critical reaction time to move out of harm's way. The company says there are also resultant safety benefits for the driver, who may be able to take ev
January 31, 2012 Read time: 1 min


Transpo Industries launched a unique concept in work zone intrusion protection last year.

The SonoBlaster impact-activated safety device warns both roadway workers and errant vehicles simultaneously. When impacted, the unit's built-in CO2-powered horn blasts loudly (125 dB) for 15 seconds, signalling crews that their work zone has been violated. This provides critical reaction time to move out of harm's way. The company says there are also resultant safety benefits for the driver, who may be able to take evasive action.

 Since its launch, Transpo says that as a result of customer feedback from deployments in over 27 US states as well as seven different countries, a stackable cone bracket has been added to the device so the Sonoblaster can remain mounted and ready to use on a work truck.

Related Content

  • How WiM helps authorities identify repeat offenders
    May 31, 2023
    Company profiling – the process of identifying repeat corporate offenders when it comes to things like truck overloading – is one of many uses of WiM. And it may become more important
  • Transport planning consultation is culturally important
    February 2, 2012
    Andrew Bardin Williams explores the efforts under way in North Dakota to consult with native tribes during the early stages of transportation project development. These efforts have led to the signing of a Programmatic Agreement between the state DOT and local tribes and the creation of a tribal consultation committee that allows Native Americans to advise on the identification, evaluation and treatment of historic properties, including those of religious and cultural significance
  • Developing ‘next generation’ traffic control centre technology
    July 4, 2012
    The Rijkswaterstaat and Highways Agency have joined forces to investigate what the market can do to realise an idealistic vision for traffic control centre technology. Jon Masters reports One particular seminar session of the Intertraffic show in Amsterdam in March was notably over subscribed. So heavy was the press to attend that your author, making his way over late from another appointment, could not get in and found himself craning over other heads locked outside to overhear what was being said. The
  • AV/ridesharing mix wins major auto investment
    May 5, 2016
    The US has a new trend in personal mobility and David Crawford takes a closer look. US automaker General Motors and ridesharer Lyft’s announcement of a strategic partnership aimed at delivering, over time, an integrated network of on-demand autonomous as well as conventional vehicles has taken the nation’s car industry from traditional manufacturing to new arenas.