70 percent of drivers in a large-scale field operational test felt that forward collision warning systems increased safety.

Advanced Driver Assistance Systems (ADAS) in Sweden, France, Italy, and Germany.

Nationwide; France; Nationwide; Germany; Nationwide; Sweden; Nationwide; Italy

Summary Information

The euroFOT project is a large-scale Field Operational Test (FOT) undertaken in Europe in order to evaluate different Advanced Driver Assistance Systems (ADAS) with regard to user related aspects, traffic safety, efficiency and environment. Test vehicles instrumented with data acquisition systems and equipped with different ADAS have been provided by different manufacturers to drivers for everyday driving. The FOT is organised by four operational test centres (vehicle management centres) across Europe: Sweden, France, Italy, and Germany. The goal of the evaluation task is to assess the societal and individual impacts of the ADAS that are tested in the euroFOT project.


The experimental design included a three month baseline and a nine month treatment phase to gather information on user expectations and satisfaction with the following functions during normal driving conditions.

Longitudinal functions
  • Adaptive Cruise Control (ACC) and Forward Collision Warning (FCW) together in one bundle (counted as one function)
  • Speed Regulation System (SRS): Speed Limiter (SL) and Cruise Control (CC)
Lateral functions
  • Lane Departure Warning (LDW) and Impairment Warning (IW) (bundle)
  • Blind Spot Information System (BLIS)
Other functions
  • Curve Speed Warning (CSW)
  • Navigation System (SafeHMI)
Almost 1000 vehicles (cars and trucks) were equipped with ADAS and more than a thousand drivers participated. Data were collected from onboard computer systems, video recordings, driver surveys, and questionnaires submitted to drivers at the start of the FOT, at the end of baseline phase, and at the end of treatment phase.


Findings from the source report on Forward Collision Warning are identified below.

Forward Collision Warning
  • Approximately 70 percent of drivers felt the system increased safety.
  • Initially, drivers had very high expectations. Acceptance levels, however, decreased over time.

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European Large-Scale Field Operational Tests on In-Vehicle Systems: Final results - User acceptance an user-related aspects

Author: David Sanchez (CTAG), et al.

Published By: euroFOT Consortium 2012 and Ford Forschungszentrum Aachen GmbH

Source Date: 11/21/2012

Other Reference Number: Version 1.1



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Benefit ID: 2014-00950