National Highway Traffic Safety Administration

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National Highway Traffic Safety Administration (NHTSA)
Agency overview
FormedDecember 31, 1970; 54 years ago (1970-12-31)
Preceding agency
  • National Highway Safety Bureau[1]
JurisdictionU.S. motor vehicles[2]
HeadquartersWashington, D.C., U.S.
Employees675 (FY 2023)[3]
Annual budget$1.3 billion (FY 2025)[4]
Agency executive
  • Jack Danielson[5], Acting Administrator
  • Deputy Administrator
Parent departmentDepartment of Transportation (USDOT)
Websitenhtsa.gov
Footnotes
Leadership[6]

The National Highway Traffic Safety Administration (NHTSA /ˈnɪtsə/ NITS-ə)[7] is an agency of the U.S. federal government, part of the Department of Transportation, focused on automobile safety regulations.

NHTSA is charged with writing and enforcing

vehicle manufacturers and importers, allows or blocks the import of vehicles and safety-regulated vehicle parts, administers the vehicle identification number (VIN) system, develops the crash test dummies used in U.S. safety testing as well as the test protocols themselves, and provides vehicle insurance cost information. The agency has asserted preemptive regulatory authority over greenhouse gas emissions, but this has been disputed by such state regulatory agencies as the California Air Resources Board.[citation needed
]

The Federal Motor Vehicle Safety Standards are in the United States 49 CFR 571. Additional federal vehicle standards are contained elsewhere in the CFR. Another of NHTSA's activities is the collection of data about motor vehicle crashes, available in various data files maintained by the National Center for Statistics and Analysis, in particular the Fatality Analysis Reporting System (FARS), the Crash Investigation Sampling System (CISS, where technicians investigate a random sample of police crash reports), and others.[8]

Other aspects of U.S. traffic safety, including road design, traffic enforcement, and crash investigation are outside of NHTSA's jurisdiction.

History

In 1964 and 1966, public pressure grew in the United States to increase

National Academy of Sciences entitled Accidental Death and Disability: The Neglected Disease of Modern Society.[citation needed
]

In 1966, Congress held a series of publicized hearings regarding highway safety, passed legislation to make the installation of

Highway Safety Act (Pub. L. 89–564) that created the National Traffic Safety Agency, the National Highway Safety Agency, and the National Highway Safety Bureau, predecessor agencies to what would eventually become NHTSA. Once the Federal Motor Vehicle Safety Standards
(FMVSS) came into effect, vehicles not certified by the maker or importer as compliant with US safety standards were no longer legal to import into the United States.

Congress established NHTSA in 1970 with the Highway Safety Act of 1970 (Title II of Pub. L. 91–605, 84 Stat. 1713, enacted December 31, 1970, at 84 Stat. 1739). In 1972, the Motor Vehicle Information and Cost Savings Act (Pub. L. 92–513, 86 Stat. 947, enacted October 20, 1972) expanded NHTSA's scope to include consumer information programs. Despite improvements in vehicle design and public awareness of issues like drunk driving, traffic fatalities have remained stubbornly high. In the early 2020s, more than 40,000 U.S. residents died in automotive collisions yearly.[9]

NHTSA has conducted numerous high-profile investigations of automotive safety issues, including the

Electronic Stability Control on all passenger vehicles by the 2012 model year. This technology was first brought to public attention in 1997, with the Swedish moose test. Most of the reduction in vehicle fatality rates during the last third of the 20th century was gained from the initial NHTSA safety standards during 1968–1984 and subsequent voluntary changes in vehicle crashworthiness by vehicle manufacturers.[10][further explanation needed
]

The following is the history of NHTSA's Administrators[11]

·William Haddon, Jr., M.D., 1966-1969

·Dr. Robert Brenner (acting), 1969-70

·Douglas W. Toms, 1970-73

·Dr. James B. Gregory, 1973-76

·John W. Snow, 1976-77

·

Joan B. Claybrook
, 1977-81

·Raymond A. Peck, Jr., 1981-83

·Diane K. Steed, 1983-89

·Jerry Ralph Curry, 1989-92

·Marion C. Blakey, 1992-93

·Ricardo Martinez, M.D., 1994-99

·Rosalyn G. Millman (acting) 1999-2000

·Dr. Sue Bailey, 2000-2001

·Dr. Jeffrey W. Runge, 2001-2005

·Nicole Nason, 2006-2008

·David Kelly (acting), 2008-2010

·David Strickland, 2010-2014

·Dr.

Mark R. Rosekind
, 2014-2017

·Heidi King (acting), 2017-2020

·Dr. Steven Cliff, 2020-2022

·Ann E. Carlson (acting), 2022-2023

·Sophie Shulman (acting), 2023-2024

·Jonathan Morrison, 2024-

Regulatory performance

vehicle miles traveled
(red), miles traveled (blue), per one million people (orange), total annual deaths (light blue), VMT in tens of billions (dark blue), and population in millions (teal), from 1921 to 2017

Audits by the U.S. Department of Transportation's Office of the Inspector General in 2011, 2014, 2015, 2016, 2018, and 2021 have concluded that NHTSA is ineffectual;[further explanation needed] the 2021 audit found NHTSA failing to issue or update Federal Motor Vehicle Safety Standards effectively or to act within timeframes on petitions and investigations; having no process in place for critical agency responsibilities like evaluating petitions, and having failed to implement consensus recommendations derived from the Inspector General's audit a decade before, in 2011.[12][13] The 2018 audit found NHTSA incapable of conducting adequate, timely safety recalls.[14] The 2015 audit found NHTSA's collection and analysis of safety-related data to be inadequate,[15] and the agency to be lackadaisical and careless in examining safety defects.[16]

Government data (from FARS for the U.S.) in a 2004 book by former General Motors safety researcher Leonard Evans[17] shows other countries achieving greater traffic safety improvements over time than those achieved in the United States:[needs update]

Country 1979 fatalities 2002 fatalities Percent change
United States 51,093 42,815 −16.2%
Great Britain 6,352 3,431 −46.0%
Canada 5,863 2,936 −49.9%
Australia 3,508 1,715 −51.1%

Research suggests one reason the U.S. continues to lag in traffic safety is the relatively high prevalence in the U.S. of pickup trucks and SUVs, which a 2003 study by the U.S. Transportation Research Board found are significantly less safe than passenger cars.[18] Comparisons of past data with the present in the U.S. can result in distortions, due to a significant population increase and since the level of large commercial truck traffic has substantially increased from the 1960s, but highway capacity has not kept up.[19][20] However, other factors exert significant influence; Canada has lower roadway death and injury rates despite a vehicle mix and regulations similar to those of the U.S.[17] Nevertheless, the widespread use of truck-based vehicles as passenger carriers is correlated with roadway deaths and injuries not only directly by dint of vehicular safety performance per se, but also indirectly through the relatively low fuel costs that facilitate the use of such vehicles in North America. Motor vehicle fatalities decline as gasoline prices increase.[21]

In January 2025, NHTSA opened a preliminary investigation into 877,710 General Motors trucks and SUVs (model years 2019–2024) after receiving 39 complaints and reports of engine failures caused by bearing issues. The probe aims to assess the scope and severity of the problem, with General Motors stating its full cooperation.[22]

International counterparts and the grey market

In 1958, under the auspices of the United Nations, a consortium known as the Economic Commission for Europe was established to standardize vehicle regulations across Europe. Its goals included promoting best practices in vehicle design and equipment and reducing technical barriers to pan-European vehicle trade and traffic. This organization eventually evolved into the World Forum for Harmonization of Vehicle Regulations, which developed what became the UN Regulations on vehicle design, construction, and safety and emissions performance for vehicles and their components. While many countries adopted or required adherence to the UN Regulations,[23] the United States did not recognize these standards and restricted the importation of vehicles and components not certified by manufacturers as compliant with U.S. regulations.[24]

Because of the unavailability in America of certain vehicle models, a

grey market arose in the late 1970s. This provided a method to acquire vehicles not officially offered in the United States, but enough vehicles imported this way were faulty, shoddy, and unsafe[25][26][27] that Mercedes-Benz of North America helped launch a successful congressional lobbying effort to close down the grey market in 1988.[28] As a result, it was no longer possible to import foreign vehicles into the United States as a personal import, with few exceptions—primarily vehicles meeting Canadian regulations substantially similar to those of the United States, and vehicles imported temporarily for display or research purposes. In practice, the gray market involved a few thousand cars annually, before its virtual elimination in 1988.[29]

In 1998, NHTSA exempted vehicles older than 25 years from the rules it administers, since these are presumed to be collector vehicles.

Show and Display
" purposes.

In the mid-1960s, when the framework was established for US vehicle safety regulations, the US auto market was an

tariffs and local-content laws having become politically unpopular due to the increasing popularity of free trade, thus driving the industry to adopt less visible forms of trade restrictions in the form of technical regulations different from those outside the United States.[32]

An example of the market-control effects of NHTSA's regulatory protocol is found in the agency's 1974 banning of the

sealed beam design that was then mandatory in the U.S. as well as its height adjustable suspension, which made compliance with the 1973 bumper requirements cost-prohibitive. The initial bumper regulations were intended to prevent functional damage to a vehicle's safety-related components such as lights and fuel system components when subjected to barrier crash tests at 5 miles per hour (8 km/h) at the front and 2.5 mph (4 km/h) at the rear.[33] However, these regulations at low-speed collisions did not enhance occupant safety.[34]

U.N. Regulations) would save significant money, likely without affecting safety.[37]

Cost and cost-benefit

NHTSA uses

NCAP points to passenger vehicles with amber rear turn signals.[41]
As of September 2022, however, the agency has not put this proposal into effect.

Fuel economy

CAFE regulations

NHTSA administers the

Corporate Average Fuel Economy (CAFE), which is intended to incentivize the production of fuel-efficient vehicles by dint of fuel economy requirements measured against the sales-weighted harmonic average of each manufacturer's range of vehicles. Many governments outside North America promote fuel economy by heavily taxing motor fuel and/or by including a vehicle's weight, engine size, or fuel economy in calculating vehicle registration taxes (road tax
).

NCAP

Consumer information label for a vehicle with NCAP rating
NHTSA front and side-impact tests of the
2006 Honda Ridgeline
at 35 mph (56 km/h) and 38.5 mph (62 km/h), respectively

In 1979, NHTSA created the/a New Car Assessment Program (NCAP) in response to Title II of the Motor Vehicle Information and Cost Savings Act of 1972, to encourage manufacturers to build safer vehicles and consumers to buy them. Since that time, the agency has improved the program by adding rating programs, facilitating access to test results, and revising the format of the information to make it easier for consumers to understand.[47] NHTSA asserts the program has influenced manufacturers to build vehicles that consistently achieve high ratings.[47]

The United States was the first country/region to have an NCAP program, which was then copied by other NCAP programs.[citation needed]

The first standardized 35 mph (56 km/h) front crash test was on May 21, 1979, and the first results were released on October 15 that year.

The agency established a frontal impact test protocol based on Federal Motor Vehicle Safety Standard 208 ("Occupant Crash Protection"), except that the frontal 4 NCAP test is conducted at 35 mph (56 km/h), rather than 30 mph (48 km/h) as required by FMVSS No. 208.

To improve the dissemination of NCAP ratings, and as a result of the Safe, Accountable, Flexible, Efficient Transportation Equity Act: A Legacy for Users (SAFETEA–LU), the agency has issued a Final Rule requiring manufacturers to place NCAP star ratings on the Monroney sticker (automobile price sticker). The rule had a September 1, 2007 compliance date.[48]

See also

References

  1. ^ "Who We Are and What We Do". National Highway Traffic Safety Administration. Archived from the original on October 18, 2015. Retrieved November 1, 2015.
  2. ^ "National Highway Traffic Safety Administration". International Trade Data System. Archived from the original on September 23, 2015. Retrieved November 1, 2015.
  3. ^ "Budget Estimates, Fiscal Year 2025" (PDF). National Highway Traffic Safety Administration. United States Department of Transportation. p. 21. Retrieved February 10, 2025.
  4. ^ "FY2025 Budget Highlights". National Highway Traffic Safety Administration. United States Department of Transportation. March 11, 2024. Retrieved February 3, 2025.
  5. ^ https://www.nhtsa.gov/nhtsa-leadership/jack-danielson
  6. ^ "NHTSA Leadership". NHTSA. August 2021. Retrieved August 31, 2021.
  7. ^ Calmes, Jackie (April 5, 2014). "Minding the Minders of G.M." New York Times.
  8. ^ "Crash Investigation Sampling System". www.nhtsa.gov. NHTSA. Retrieved July 8, 2023.
  9. ^ "NHTSA Estimates for 2022 Show Roadway Fatalities Remain Flat After Two Years of Dramatic Increases". National Highway Traffic Safety Administration (Press release). Washington, DC: USDOT. April 20, 2023. Retrieved March 3, 2025.
  10. ISBN 978-0-19-506956-3
    .
  11. ^ https://www.nhtsa.gov/about-nhtsa/past-nhtsa-administrators
  12. ^ Stern, Daniel (November 16, 2021). "Systemic Dysfunction at NHTSA: Audit". Driving Vision News. Retrieved September 19, 2022.
  13. ^ Weaknesses in NHTSA's Training and Guidance Limit Its Ability To Set and Enforce Federal Motor Vehicle Safety Standards
  14. ^ NHTSA's Management of Light Passenger Vehicle Recalls Lacks Adequate Processes and Oversight
  15. ^ Inadequate Data and Analysis Undermine NHTSA's Efforts To Identify and Investigate Vehicle Safety Concerns
  16. ^ Ballaban, Michael (June 22, 2015). "Scathing Audit Reveals NHTSA Is A Five-Star Government Clusterfuck". Jalopnic. Retrieved September 19, 2022.
  17. ^
    ISBN 978-0-9754871-0-5
    .
  18. ^ Wenzel, Tom; Ross, Marc (January 15, 2003). "Are SUVs Safer than Cars? An Analysis of Risk by Vehicle Type and Model" (PDF). Transportation Research Board 82nd Annual Meeting. Archived from the original (PDF) on May 3, 2013. Retrieved December 21, 2020.
  19. ^ Federal Highway Administration (2006). "Chapter 14 Freight Transportation". 2006 Status of the Nation's Highways, Bridges, and Transit: Conditions and Performance. United States Department of Transportation. Archived from the original on August 23, 2007. Retrieved December 21, 2020.
  20. S2CID 19954345
    .
  21. doi:10.1002/pam.20028
    .
  22. ^ "NHTSA to investigate potential for engine failure in nearly 1 million GM trucks, SUVs". Detroit Free Press. Retrieved January 17, 2025.
  23. ^ a b "Automotive Regulations and Certification Processes: Global Manufacturers' Perspective". U.S. Automotive Industry Coalition Meeting - Andean/Mexico Delegation. December 7, 2016. Retrieved December 21, 2020.
  24. ^ a b "What you need to know to avoid seeing your grey market car get crushed". Digital Trends. August 30, 2013. Retrieved May 30, 2015.
  25. ^ Ramos, George (May 23, 1985). "U.S. Accuses 'Gray Market' Car Importer". The Los Angeles Times. Retrieved December 21, 2020.
  26. ^ "Deception on Engines Charged: 'Gray Market' Mercedes Dealer Held". Los Angeles Times. April 26, 1986. Retrieved December 21, 2020.
  27. ^ Dean, Paul (July 11, 1986). "Wheeling-Dealing Gray Market Hits the Skids: Bad Publicity, Corporate Action, Legislation Put Brakes on Car Conversions". Los Angeles Times. Retrieved December 21, 2020.
  28. ^ "How To: Win the Car-Importing Game". Archived from the original on February 3, 2015. Retrieved May 30, 2015.
  29. ^ "Car Show Classic: 1985 Citroen CX 25 GTi Series 2 – Blue Is A Warmer Color Than Grey". Curbside Classic. January 10, 2014. Retrieved May 30, 2015.
  30. ^ "Carpe Diem". Retrieved May 30, 2015.
  31. doi:10.4271/982266
    . Retrieved December 21, 2020.
  32. ^ Stern, Daniel (June 24, 2013). "Crouching Tariff, Hidden Trade Barrier?". Driving Vision News. Retrieved September 19, 2022.
  33. ^ La Heist, Warren G.; Ephraim, Frank G. "An Evaluation of the Bumper Standard - As Modified in 1982 - NHTSA Report Number DOT HS 807 072". Archived from the original on March 4, 2009. Retrieved December 21, 2020.
  34. ^ "Top 5: Citroen SM innovations that saw the future video - CNET". CNET. CBS Interactive. Retrieved May 30, 2015.
  35. ^ Stern, Daniel (May 20, 2013). "Ford Push for Global Regs...Meaning What?". Driving Vision News. Retrieved September 19, 2022.
  36. ^ Stern, Daniel (October 28, 2013). "Legal Hurdles to Regulatory Harmony". Driving Vision News. Retrieved September 19, 2022.
  37. ^ Beene, Ryan (July 25, 2015). "Wiping out U.S.-EU rules disparities would yield big savings". Automotive News. Archived from the original on September 19, 2022. Retrieved December 4, 2018. Alt URL
  38. ^ Viscusi, Kip Regulatory Economics in the Courts: an Analysis of Judge Scalia's NHTSA Bumper Decision Law and Contemporary Problems volume 50 issue 4 1988 Retrieved July 29, 2015.
  39. ^ "John Graham Releases Results of Cost–Benefit Analysis of Air Bag Safety". Riskworld.com. March 25, 1997. Archived from the original on September 28, 2011. Retrieved November 13, 2011.
  40. S2CID 27273577
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  41. ^ a b c "Regulations.gov". www.regulations.gov.
  42. ^ Automotive Lighting in North America, Driving Vision News, 2011
  43. ^ Hitzemeyer, Erwin G.; Wilde, Helmut; Ellenberger, Donald (1977), "What Color Should Rear Turn Signals Be?", SAE Technical Paper Series, vol. 1, Society of Automotive Engineers - Technical Papers,
    doi:10.4271/770812
    , retrieved March 31, 2022
  44. doi:10.4271/970913
    , retrieved March 31, 2022
  45. ^ "The Influence of Rear Turn Signal Characteristics on Crash Risk" (PDF). Archived from the original (PDF) on May 11, 2009. Retrieved October 17, 2011. (527 KB)
  46. ^ Allen, Kirk (2009). "The Effectiveness of Amber Rear Turn Signals for Reducing Rear Impacts, DOT HS 811 115" (PDF). National Highway Traffic Safety Administration.
  47. ^ a b "The New Car Assessment Program Suggested Approaches for Future Program Enhancements" (PDF). National Highway Traffic Safety Administration. January 2007. Retrieved November 24, 2008.
  48. ^ "safercar.gov | NHTSA" (PDF). www.nhtsa.gov. Archived from the original on September 25, 2007.

Further reading

Public Domain This article incorporates public domain material from websites or documents of the United States Department of Transportation.

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