Skip to main content

Europe’s Sartre road train project takes to public roads

A road train, comprised of three Volvo cars plus one truck automatically driving in convoy behind a lead vehicle, has operated on a public motorway among other road users. The historic test on a motorway outside Barcelona, Spain, took place last week and was pronounced a success. “This is a very significant milestone in the development of safe road train technology,” commented Sartre project director, Tom Robinson of Ricardo. “For the very first time we have been able to demonstrate a convoy of autonomousl
May 29, 2012 Read time: 3 mins
RSSA road train, comprised of three Volvo cars plus one truck automatically driving in convoy behind a lead vehicle, has operated on a public motorway among other road users. The historic test on a motorway outside Barcelona, Spain, took place last week and was pronounced a success.

“This is a very significant milestone in the development of safe road train technology,” commented Sartre project director, Tom Robinson of 5606 Ricardo.  “For the very first time we have been able to demonstrate a convoy of autonomously driven vehicles following a lead vehicle with its professional driver, in a mixed traffic environment on a European motorway.” He went on to say that while many challenges remain to full scale implementation, the project has demonstrated a very practical approach to the implementation of safe road train technology that is capable of delivering an improved driving experience, better road space utilisation and reduced carbon dioxide emissions.

The 574 SARTRE (Safe Road Trains for the Environment) project is a joint venture between Ricardo UK, Applus+ Idiada, 5778 Tecnalia Research & Innovation, 5779 Institut für Kraftfahrzeuge Aachen (IKA), 5781 SP Technical Research Institute, 5776 Volvo Technology and 609 Volvo Car Corporation. A road train consists of a lead vehicle driven by a professional driver followed by a number of vehicles. Building on Volvo Car Corporation’s and Volvo Technology's already existing safety systems, including features such as cameras, radar and laser sensors, the vehicles monitor the lead vehicle and also other vehicles in their immediate vicinity. By incorporating wireless communication, the vehicles in the platoon ‘mimic’ the lead vehicle using Ricardo autonomous control, accelerating, braking and turning in exactly the same way as the leader.

The three-year Sartre project has been under way since 2009. All told, the vehicles in the project have covered about 10,000 kilometres. After the test on the public roads in Spain, the project is now entering a new phase with the focus on analysis of fuel consumption.

“We covered 200 kilometres in one day and the test turned out well. We’re really delighted,” says Linda Wahlström, project manager for the Sartre project at Volvo Car Corporation. “During our trials on the test circuit we tried out gaps from five to fifteen metres. We’ve learnt a whole lot during this period. People think that autonomous driving is science fiction, but the fact is that the technology is already here. From the purely conceptual viewpoint, it works fine and road trains will be around in one form or another in the future. We’ve focused really hard on changing as little as possible in existing systems. Everything should function without any infrastructure changes to the roads or expensive additional components in the cars. Apart from the software developed as part of the project, it is really only the wireless network installed between the cars that set them apart from other cars available in showrooms today.”

Related Content

  • Federal Highway Administration showcases truck platooning technology
    September 15, 2017
    The US Federal Highway Administration (FHWA) has conducted the first of a two-day demonstration of three-truck platoons on I-66 in Virginia. The results of a four-year research project to test the effectiveness of state-of-the-art driving and communications technologies were showcased at the event. Truck platooning uses vehicle-to-vehicle communications technology to allow trucks to follow each other more closely – at about one second apart – and travel in a more coordinated fashion.
  • 3M reflect on why CAVs need lines and signs
    May 10, 2017
    Tammy Meehan and Thomas Hedblom of 3M consider the ongoing development of technology needed to introduce connected and autonomous vehicles. The transportation industry is in the midst of the most dramatic shift since Henry Ford introduced horseless carriages. Already we are seeing the increased use of advanced driver assistance systems (ADAS) which, along with the introduction of autonomous vehicles in the next few decades, will bring profound changes to vehicles and the environment in which they operate.
  • Ford Opens new Silicon Valley research centre
    January 26, 2015
    Ford’s newly opened Research and Innovation Center Palo Alto, US, will drive the company’s innovation in connectivity, mobility, autonomous vehicles, customer experience and big data, it says. The new research centre will continue the company’s work on autonomous vehicles, including ongoing work with University of Michigan and Massachusetts Institute of Technology. It will also expand collaboration with Stanford University that started in 2013 and will contribute a Fusion autonomous research vehicle to t
  • Sweden working on device to test tiredness of drivers
    April 18, 2012
    Marcus Nyström, researcher at the Lund University Humanities Lab, in Sweden, has revealed that the lab is currently developing a product that will be able to test if a person is too tired to drive. The project uses eyetracking, where a driver is required to follow a moving ball and his eye movements and pupil reactions are evaluated to determine if he/she is too tired to drive safely.