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

  • New chairman and fresh thinking at Ertico
    October 6, 2015
    Cees de Wijs, who was elected Chairman of Ertico ITS Europe in June, puts the Partnership and this ITS World Congress in context.
  • Spanish roads conference launches
    February 18, 2015
    The Safety, Sustainability and Intelligence: New Challenges, New Roads technical conference, organised by the Spanish Road Association, begins at the Centre of Contemporary Culture in Barcelona at 0930 on 19 February. Almost 200 road experts from Spain and Europe are expected to attend the conference, which concludes on 20 February. The conference focuses on the challenges facing road managers, how to manage road network improvements and the demands and priorities of road users and how to ensure compatibili
  • US transportation policy needs to restart to sort shortcomings
    August 2, 2012
    Joshua Schank has no illusions when it comes to what he and the Bipartisan Policy Center are suggesting in Performance Driven: New Vision for US Transportation Policy. Released in June of this year, this major report (see Sidebar, 'The Shift in Thinking') advocates no less than a root-and-branch overhaul of the way in which the US transportation system is run - how money is allocated and how the beneficiaries of that funding are selected. As its name suggests, Schank and his colleagues are urging senior US
  • Lufft’s MARWIS moves weather
    September 22, 2014
    A mobile road weather sensor is providing authorities with new options for monitoring road conditions and winter maintenance operations. Road and traffic engineers know the vulnerable points in their network – cold spots where ice forms first, high-banked roads where snow accumulates, fog pockets… Traditionally, most authorities will position weather stations at these points to detect and monitor road conditions during bad weather events.