Samenvatting
Two alternative human-machine-interface solutions for in-vehicle speed support were evaluated in field trials in Hungary and Spain. Twenty vehicles on both test sites were equipped with two kinds of systems: (1) support via an active accelerator pedal and (2) warning via beep signals and flashing red light when exceeding the speed limit. The test drivers drove one month with each system. Both systems had an effect on speed and the effect was greater for the active accelerator pedal than for the beep signal-system. Both systems were perceived as useful but not satisfactory. For the covering abstract see ITRD E134653.