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Transport and Main Roads' Cooperative and Automated Vehicle Initiative team conducted a successful Cooperative Intelligent Transport System (C-ITS) roadworks demonstration, showcasing the integration of roadworks-specific equipment with a multi-vendor proof of concept (PoC).
The event, held in May 2023, involved portable C-ITS roadside stations for roadworks applications. Seven local and international industry suppliers participated, developing and testing equipment such as a mobile bump-truck, visual messaging signs, and dynamic speed signs.
C-ITS technology holds significant promise for highly automated roadworks in the future, improving efficiency and safety in the industry. The PoC featured seven common roadworks scenarios: rolling maintenance works, moving line-marking truck, contra-flow, shoulder works, lane closure, and temporary debris clean-up. Each of these were set up to minimise the effort of roadworks crews to start sending C-ITS messages, for instance, turning on the maintenance truck’s flashing lights or variable message signs display, triggers messages to start sending.
An important advantage of C-ITS is its ability to send standardised and trusted real-time messages directly to drivers, increasing awareness and reducing reaction time. This feature is especially valuable in roadworks, where compliance issues, changing conditions, limited visibility, or adverse weather can pose challenges. By providing relevant warnings to drivers, C-ITS contributes to minimizing accidents and enhancing overall road safety at roadworks sites. The messages received from roadworks sites triggered an alert to the driver on approach and moving through the site on in-vehicle displays.
The event attracted over 100 attendees from the industry and government, particularly temporary traffic management and road works operators. Feedback from participants was extremely positive, highlighting the informative nature of the demonstration, safety benefits, and the ability for drivers to receive live messages from roadwork sites. 31 survey respondents that directly implement temporary traffic management, 100% expressed their intention to implement C-ITS at their worksites.
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