NTSB: NHTSA Data on Advanced Vehicle Systems Should be Standardized

NTSB: NHTSA Data on ADAS Systems Should be Standardized

NTSB Chair Jennifer Homendy said data recently released by NHTSA on ADAS and automated driving systems is a welcome first step in NHTSA’s efforts to protect the public from potential safety risks involving these systems.

National Transportation Safety Board (NTSB) Chair Jennifer Homendy said data recently released by the National Highway Traffic Safety Association (NHTSA) on advanced driver-assistance systems and automated driving systems is a welcome first step in NHTSA’s efforts to protect the public from potential safety risks involving these systems.

Homendy said that while the NTSB will study the data before coming to any conclusions, the fact that the data exists at all is positive. The NTSB has long called for better and more retrievable data in investigating crashes involving vehicles with ADAS and ADS.

“The data released today is a good start, but it doesn’t provide an apples-to-apples comparison of advanced vehicle safety,” said Homendy. “What NHTSA provided was a ‘fruit bowl’ of data with a lot of caveats, making it difficult for the public and experts alike to understand what is being reported. Independent analysis of the data is key to identifying any safety gaps and potential remedies.

“The right data can bring about safety improvements and save lives. However, we caution against drawing broad safety conclusions from unstandardized data. For example, Tesla collects a huge amount of high-quality data, which may mean they’re overrepresented in NHTSA’s release. The last thing we want is to penalize manufacturers that collect robust safety data. What we do want is data that tells us what safety improvements need to be made.”

The NTSB investigated the first fatal crash, in Williston, Fla., involving these advanced systems in 2016 and called on NHTSA to require standardized crash data on all these vehicles. The NTSB made recommendations to NHTSA that are now five years old and which remain open, without any action by the regulator.

The three recommendations out of the NTSB’s Williston report regarding data were:

  • To the U.S. DOT: Define the data parameters needed to understand the automated vehicle control systems involved in a crash. The parameters must reflect the vehicle’s control status and the frequency and duration of control actions to adequately characterize driver and vehicle performance before and during a crash. (H-17-37)
  • To NHTSA: Use the data parameters defined by the U.S. Department of Transportation in response to Safety Recommendation H-17-37 as a benchmark for new vehicles equipped with automated vehicle control systems so that they capture data that reflect the vehicle’s control status and the frequency and duration of control actions needed to adequately characterize driver and vehicle performance before and during a crash; the captured data should be readily available to, at a minimum, NTSB investigators and NHTSA regulators. (H-17-39)
  • To NHTSA: Define a standard format for reporting automated vehicle control systems data, and require manufacturers of vehicles equipped with automated vehicle control systems to report incidents, crashes and vehicle miles operated with such systems enabled. (H-17-40)

“Now that the data is being collected, NHTSA needs to look forward to the next steps when it comes to improving vehicle safety with the use of technology,” said Homendy. “And that means implementing NTSB safety recommendations.”

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