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Most seat belt laws in the United States are left to state law. However, the recommended age for a child to sit in the front passenger seat is 13. The first seat belt law was a federal law, Title 49 of the United States Code, Chapter 301, Motor Safety Standard, which took effect on January 1, 1968, that required all vehicles (except buses) to be fitted with seat belts in all designated seating positions.[1] This law has since been modified to require three-point seat belts in outboard-seating positions, and finally three-point seat belts in all seating positions.[1] Seat belt use was voluntary until New York became the first state to require vehicle occupants to wear seat belts, as of December 1, 1984[update]. New Hampshire is the only state with no law requiring adults to wear seat belts in a vehicle.[2]
No enforcement for adults (primary enforcement for minors)
Secondary enforcement
Secondary enforcement; primary under certain ages
Primary enforcement
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U.S. seat belt use laws may be subject to primary enforcement or secondary enforcement. Primary enforcement allows a law enforcement officer to stop and ticket a driver if they observe a violation. Secondary enforcement means that a peace officer may only stop or cite a driver for a seat belt violation if the driver committed another primary violation (such as speeding, running a stop sign, etc.) at the same time. New Hampshire is the only U.S. state that does not by law require adult drivers to wear safety belts while operating a motor vehicle.
In 15 of the 50 states, non-use of seat belts is considered a secondary offense, which means that a police officer cannot stop and ticket a driver for the sole offense of not wearing a seat belt. (One exception to this is Colorado, where children not properly restrained is a primary offense and brings a much larger fine.) If a driver commits a primary violation (e.g., for speeding) they may additionally be charged for not wearing a seat belt. In most states, seat belt non-use was originally a secondary offense. Many states later changed it to a primary offense, the first being California in 1993. Of the 34 states with primary seat belt use laws, all but California, Connecticut, Hawaii, Iowa, New Mexico, New York, North Carolina, Oregon, and Washington originally had only secondary enforcement laws.
Thirty-four states, the District of Columbia, American Samoa, Guam, the Northern Mariana Islands, Puerto Rico and the U.S. Virgin Islands have primary enforcement laws for front seats.[2][3]
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This table summarizes seat belt use laws in the United States.[2][4]
Seat belt use laws often do not themselves apply to children. Even so, all 50 U.S. states, the District of Columbia, and all five inhabited U.S. territories have separate child restraint laws.[note 1] The table shows only the base fine, but not applicable add-on fees in many areas, such as the head injury fund and court security fees, which can increase the total assessed fine by up to a factor of five. These are also "first offense" fines, and subsequent offenses may be much higher.[citation needed]
Twenty-three states, the District of Columbia, Guam, and the Northern Mariana Islands had seat belt usage of 90% or higher in 2017.[6]
| State, federal district, or territory | Type of law | Date of first law | Who is covered | Base fine before fees | Seat Belt Usage (2017) [6][note 2] |
|---|---|---|---|---|---|
 Alabama | Primary Enforcement | July 18, 1991 | All ages in all seats[7] | $25 | 92.9% |
 Alaska | Primary Enforcement | September 12, 1990 | All ages in all seats | $15 ($25 actual) | 90.1% |
 American Samoa | Primary Enforcement[3] | — | All ages in front seats[8] | $25[8] | 84.9% |
 Arizona | Secondary Enforcement1 | January 1, 1991 | All ages in front seats; Under age 16 in all seats | $10 ($37.20 actual) | 86.1% |
 Arkansas | Primary Enforcement | July 15, 1991 | All ages in front seats; Under age 16 in all seats | $25 | 81.0% |
 California | Primary Enforcement | January 1, 1986 | All ages in all seats[9][10] | $20 ($162 actual); $50 second offense ($190 actual)6 | 96.2% |
 Colorado | Secondary Enforcement2 Exception Mountain View where it is a primary violation[11] | July 1, 1987 | All ages in front seats; Under age 18 in all seats | $71 | 83.8% |
 Connecticut | Primary Enforcement | January 1, 1986 | All ages in all seats | $92 | 90.3% |
 Delaware | Primary Enforcement | January 1, 1992 | All ages in all seats | $25 | 91.4% |
 District of Columbia | Primary Enforcement | December 12, 1985 | All ages in all seats | $504 | 93.6% |
 Florida | Primary Enforcement | July 1, 1986 | All ages in front seats; Under age 18 in all seats | $30 ($116 actual) | 90.2% |
 Georgia | Primary Enforcement | July 1, 1996[12] | All ages in front seats; Under age 18 in all seats | $15 | 97.1% |
 Guam | Primary Enforcement | — | All ages in all seats | $100 | 91.0% |
 Hawaii | Primary Enforcement | December 16, 1985 | All ages in all seats | $45 ($112 actual) | 96.9% |
 Idaho | Secondary Enforcement3 | July 1, 1986 | All ages in all seats | $10 ($51.50 actual) | 81.2% |
 Illinois | Primary Enforcement | January 1, 1988 | All ages in all seats | $164 minimum fine | 93.8% |
 Indiana | Primary Enforcement | July 1, 1987 | All ages in all seats | $25 | 93.0% |
 Iowa | Primary Enforcement | July 1, 1986 | All ages in front seats; Under 18 in rear seats[13] | $25 ($127.50 actual) | 91.4% |
 Kansas | Primary Enforcement4 | July 1, 1986 | Age 14+ in all seats | $60 for age 14-17; $10 for 18+ | 82.0% |
 Kentucky | Primary Enforcement | July 15, 1994 | Age 7 and younger and over 57 in (140 cm) in all seats; 8+ in all seats | $25 | 86.8% |
 Louisiana | Primary Enforcement | July 1, 1986 | Age 13+ in front seats | $25 | 87.1% |
 Maine | Primary Enforcement | December 26, 1995 | Age 18+ in all seats | $50 | 88.9% |
 Maryland | Primary Enforcement4 | July 1, 1986 | Age 16+ in all seats | $83 | 92.1% |
 Massachusetts | Secondary Enforcement | February 1, 1994 | Age 13+ in all seats[14][15] | $25 | 73.7% |
 Michigan | Primary Enforcement | July 1, 1985 | Age 16+ in front seats, under 16 in rear seats | $25 ($65 actual) | 94.1% |
 Minnesota | Primary Enforcement | August 1, 1986 | 7 and younger and over 57 in (140 cm) in all seats; 8+ in all seats | $25 +$75 fee | 92.0% |
 Mississippi | Primary Enforcement | July 1, 1994 | Age 7+ in all seats | $25 | 78.8% |
 Missouri | Secondary Enforcement2 | September 28, 1985 | Age 16+ in front seats;
Age 8-15 in all seats |
$10 for age 16+; $50 for age 8-15 | 84.0% |
 Montana | Secondary Enforcement | October 1, 1987 | Age 6+ in all seats | $20 | 78.0% |
 Nebraska | Secondary Enforcement | January 1, 1993 | Age 18+ in front seats | $25 | 85.9% |
 Nevada | Secondary Enforcement | July 1, 1987 | Age 6+ in all seats | $25 | 90.6% |
 New Hampshire | None for adults, primary for minors only | August 18, 1997[16] | Age 17 and under in all seats | $50 | 67.6% |
 New Jersey | Primary Enforcement4 | March 1, 1985 | Age 8+ in all seats | $46 per person | 94.1% |
 New Mexico | Primary Enforcement | January 1, 1986 | Age 18+ in all seats | $254 | 91.5% |
 New York | Primary Enforcement | December 1, 1984 | All ages in all seats | $50 ($135 actual after surcharges)[17] | 93.4% |
 North Carolina | Primary Enforcement, Secondary for back seat[18] | October 1, 1985 | All ages in all seats | $180 for front seat; $10 for rear seat; $266 for the driver if a passenger is under 16[19] | 91.4% |
 North Dakota | Secondary Enforcement3 | July 14, 1994 | Age 18+ in front seats; Age under 18 in all seats | $20 for age 18+; $25 + 1 point on license for under 184 | 79.3% |
 Northern Mariana Islands | Primary Enforcement | — | Riders 6+ in age, in all seats | $25 | 92.2% |
 Ohio | Secondary Enforcement | May 6, 1986 | Age 15+ in front seat;
Age 8–14 in all seats |
$30 for driver; $20 for passenger | 82.8% |
 Oklahoma | Primary Enforcement | February 1, 1987 | Age 13+ in front seats | $20 | 86.9% |
 Oregon | Primary Enforcement | December 7, 1990 | All ages in all seats | $130 | 96.8% |
 Pennsylvania | Secondary Enforcement3 | November 23, 1987 | Age 18+ in front seats;
Age 8-17 in all seats |
$10 | 85.6% |
 Puerto Rico | Primary Enforcement | — | Age 9+ or 57 inches and over; Seating unspecified | $50 | 87.9% |
 Rhode Island | Primary Enforcement | June 18, 1991 | Age 8+ in all seats | $75 | 88.3% |
 South Carolina | Primary Enforcement | July 1, 1989 | Age 6+ in all seats | $25 | 92.3% |
 South Dakota | Secondary Enforcement | January 1, 1995 | Age 18+ in front seats | $25 | 74.8% |
 Tennessee | Primary Enforcement | April 21, 1986 | Age 16+ in front seats | $25 | 88.5% |
 Texas | Primary Enforcement | September 1, 1985 | Age 7 years and younger and 57 inches or taller in all seats; Age 8+ years in all seats | $200 if under 17 (driver); $50 if 15+ (driver or passenger) | 91.9% |
 Utah | Primary Enforcement | April 28, 1986 | All ages in all seats | $45 | 88.8% |
 Vermont | Secondary Enforcement3 | January 1, 1994 | All ages in all seats | $25 | 84.5% |
 Virgin Islands (U.S.) | Primary Enforcement | — | All ages in front seats | $25 – $250 | 79.1% |
 Virginia | Secondary Enforcement3 | January 1, 1988 | All drivers; age 18+ in front seats; under 18 in all seats | $25 | 85.3% |
 Wake Island | Primary Enforcement[5] | April 10, 2002[5] | All ages[5] | ? | No data |
 Washington | Primary Enforcement | June 11, 1986 | Age 8+ in all seats | $124 | 94.8% |
 West Virginia | Primary Enforcement | September 1, 1993 | All ages in front seats; 8–17 in rear seats | $25 | 89.7% |
 Wisconsin | Primary Enforcement | December 1, 1987 | Age 8+ in all seats | $10 | 89.4% |
 Wyoming | Secondary Enforcement | June 8, 1989 | Age 9+ in all seats | $25 for driver;
$10 for passenger |
84.8% |
Note: As of 2017, aggregate seat belt usage in road vehicles in the entire United States is 89.7%.[6]
1 Arizona's law is Primary for under the age of 5.
2 Colorado and Missouri's law is Secondary for adults but Primary for those under the age of 16.
3 Idaho, North Dakota, Pennsylvania, Vermont and Virginia's law is Secondary for adults but Primary for under 18.
4 Kansas, Maryland, and New Jersey, law is Secondary Enforcement for rear seat occupants (18+ in Kansas).
5 These states assess points on one's driving record for the seat belt violation.
6 In California, an additional penalty of $29 shall be levied upon every $10 or fraction thereof, of every fine, penalty, or forfeiture imposed by and collected by the court for criminal offenses, including all traffic offenses, except parking offenses as defined in subdivision (i) of Penal Code § 1463. The additional penalty is calculated as follows: $10 state penalty required by PC 1464, $7 county penalty required by GC 76000(e), $5 court facilities construction penalty required by GC 70372(a), $5 DNA Identification Fund penalty required by GC 76104.6 and 76104.7, $2 emergency medical services penalty required by GC 76000.5. Separately, Penal Code § 1465.8 requires an imposition of an additional fee of $40 for court security on every conviction for a criminal offense, including a traffic offense, except parking offenses as defined in Penal Code § 1463. Additionally, GC 70373 requires a $35 criminal facilities conviction assessment.
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 | This article may be confusing or unclear to readers. (April 2024) |
A person involved in a car accident who was not using a seat belt may be liable for damages far greater than if they had been using a seat belt. However, when in court, most states protect motorists from having their damages reduced in a lawsuit due to the non-use of a seat belt, even if they were acting in violation of the law by not wearing the seat belt.[clarification needed] Currently, damages may be reduced for the non-use of a seat belt in 16 states: Alaska, Arizona, California, Colorado, Florida (See F.S.A. 316.614(10)), Iowa, Michigan, Missouri, Nebraska, New Jersey, New York, North Dakota, Ohio, Oregon, West Virginia, and Wisconsin.[20]
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Seat belt laws are effective in reducing car crash deaths.[21] One study found that mandatory-seatbelt laws reduced traffic fatalities in youths by 8% and serious traffic-related injuries by 9%, respectively.[22] Primary-seatbelt laws seem to be more effective at reducing crash deaths than secondary laws.[23][24]
- One territory in the U.S. Minor Outlying Islands (Wake Island) requires all occupants of vehicles to wear seat belts.[5]
- 2016 rate for the Virgin Islands.
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