ITS Benefits >> Results from a driver survey in a large-scale field operational test found the Built-in navigation systems received more positive ratings than mobile devices.

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 Navigation Systems are identified below.

Navigation System

  • Navigation systems were used approximately 40 percent of the time. Usage was higher on unfamiliar and long trips.
  • Built-in navigation systems received more positive ratings than mobile devices.
  • Handling of navigation systems occurred more often in low demanding situations.

Posted: 2014-10-22 15:15:11

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