The research project aimed at calibrating and validating the driving of the European Interuniversity Research Center for Road to enable its use for design and verification of the effectiveness temporary traffic signs on highways. The research was developed the following steps: (a) a survey of speed measurements on next to a work zone of medium duration, (b) reconstruction in reality of the real situation by using the driving simulator and running of a series of driving tests, and (c) statistical analysis the field speeds and of the speeds from driving simulations for of the simulator. The surveyed work zone was located on A1 from Milan to Naples, Italy. Speed measurements were with a laser speed meter in the transition area, the activity , and the termination area, and in the advance warning area speeds shot with a camera from an overpass. Speed data from the field the simulator were analyzed by using the bilateral Z-test for nonmatched to determine whether drivers responded differently in simulator compared with their response during the real driving experience. activity carried out revealed that differences between speeds observed in the real situation and those measured with the were not statistically significant.
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Francesco Bella (2005) studied this question.