An American Automobile Association (AAA) study in 2018 found that over the course of 4,000 miles of real-world driving, vehicles equipped with active driving assistance systems (ADAS) experienced some type of issue every 8 miles, on average. Drivers are reminded that ADAS is not a replacement for paying full attention at all times when you drive.
Key Findings from the Evaluation of Active Driving Assistance Systems report:
1. In general, evaluated ADA systems performed according to expectations derived from the owner’s manuals during closed-course evaluations.
a. On fresh pavement with well-defined lane markers, all systems consistently traversed the testing lane with some lateral offset relative to the lane center.
b. In aggregate, evaluated ADA systems made contact with a simulated disabled vehicle 66% of the time.
c. For a simulated stop-and-go scenario, none of the evaluated ADA systems made contact with a lead vehicle for all tested deceleration rates.
2. Test drivers reached a consensus that over approximately 4,000 miles of total driving distance, combining longitudinal and lateral control into a single system did not significantly enhance the driving experience for the majority of encountered scenarios. On roadways utilized for evaluation:
a. Lane-keeping events accounted for 73% of noted events.
b. A total of 521 events were noted among all evaluated ADA systems. On average, this resulted in a noteworthy event approximately every eight miles.
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