Skip to main content

Volvo Trucks aids safety on slippery winter roads

A truck safety solution developed by Volvo Trucks is said to minimise the risks posed to trucks with trailers by slippery winter roads and downhill gradients. Stretch Brake automatically retards the trailer and straightens up the rig on slippery downhill stretches. Stretch Brake is a complement to the rig’s electronic stability program (ESP), another system introduced by Volvo Trucks. While ESP is at its most effective at higher speeds, Stretch Brake is only operational at speeds below 40 km/h. Both syst
December 20, 2013 Read time: 2 mins
A truck safety solution developed by 5874 Volvo Trucks is said to minimise the risks posed to trucks with trailers by slippery winter roads and downhill gradients.

Stretch Brake automatically retards the trailer and straightens up the rig on slippery downhill stretches. Stretch Brake is a complement to the rig’s electronic stability program (ESP), another system introduced by Volvo Trucks. While ESP is at its most effective at higher speeds, Stretch Brake is only operational at speeds below 40 km/h. Both systems contribute to better stability and easier steering.

According to Mats Sabelstrom, brake specialist for Volvo Trucks, Stretch Brake is a kind of low-speed ESP. As the rig approaches a downhill slope, the driver manually activates the system. When he then releases the accelerator, the brakes on the trailer are automatically applied in a pulsated mode all the way down the hill until the gradient levels out and speed can once again be increased.

“Even if the truck driver ultimately manages to control the situation, it can be extremely unpleasant both for oncoming road users and the truck driver, if a rig suddenly veers off its intended course on a downhill gradient,” says Sabelström.

“About 15 percent of the total of 30,000 serious road accidents in Europe every year involve trucks, in a slightly declining trend. With effective brakes, stability systems and collision warning systems we are already helping drivers avoid risky situations in difficult conditions. Stretch Brake is yet another important part of our long-term drive to increase traffic safety and minimise the number of accidents involving trucks,” says Carl Johan Almqvist, Traffic and Product Safety director at Volvo Trucks.

Stretch Brake was introduced in 2012 on Volvo FH trucks pulling drawbar trailers and in 2013 on Volvo FM trucks pulling drawbar trailers. In 2014 it will also become available for Volvo FH and FM semi-trailer rigs.

Related Content

  • Idaho finds the right formula for winter maintenance
    August 5, 2013
    Idaho’s use of key performance indicators to determine the effectiveness of its winter maintenance programme put it on the Best of ITS America shortlist. Idaho Transportation Department’s budget for winter maintenance is more than $25m – almost half of which is spent on snowplough operations. The State’s geography ranges from desert to mountains and Idaho Transportation Department (ITD) has a 500+ strong winter maintenance fleet to undertake snowploughing and spreading salt, salt brine, magnesium chloride a
  • Volvo vehicle safety world first
    May 25, 2012
    The world's first pedestrian airbag fitted as standard on the all-new Volvo V40 is the next step which the company says will go some way to help further reduce the number of fatalities involving pedestrians, currently 14 per cent in Europe and 25 per cent in China. It was in 2008 that Volvo announced a unique goal in stating that ‘By 2020, nobody shall be seriously injured or killed in a new Volvo'. To contribute towards that aim, it has fitted technology including pedestrian detection, city safety and the
  • Volvo testing smart cars that share road conditions
    February 20, 2015
    As the Drive Me project enters its second year, Volvo Cars is moving rapidly towards the aim of placing 100 self-driving cars in the hands of customers on selected roads around Gothenburg by 2017. The key to making this unprecedented leap is a complex network of sensors, cloud-based positioning systems and intelligent braking and steering technologies. Volvo Cars’ Autopilot system is designed to be reliable enough to allow the car to take over every aspect of driving in autonomous mode. The main challenge i
  • UK road safety’ is stagnating’ – IAM and RoSPA call for new strategy
    July 1, 2016
    Independent road safety charity IAM RoadSmart and safety charity the Royal Society for the Prevention of Accidents (RoSPA) have called for government action following the release of the Department for Transport’s (DfT) reported road casualties in Great Britain 2015. The 2015 figures show there were 1,732 reported road deaths – two per cent fewer compared with 2014. According to the DfT, this is the second lowest annual total on record after 2013. The number of people seriously injured in reported road tr