IIHS study finds drivers significantly more likely to speed while using adaptive cruise control
Green Car Congress
MARCH 14, 2021
Whether driving manually or using ACC or Pilot Assist, speeders exceeded the limit by the largest margin in zones with a 55 mph limit. In these areas, speeders averaged about 8 mph over the limit, compared with 5 mph in 60 mph and 65 mph zones. That 1 mph increase may not sound like much.
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