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The Impact of Legislation, Enforcement, and Sanctions on Safety Belt Use (2007)

Chapter: Appendix D - Trends in Observed and FARS Use Rates in 15 States that Participated in Statewide or Regional HVE Programs

« Previous: Appendix C - Issues and Findings Regarding Nighttime SBU and Enforcement
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Suggested Citation:"Appendix D - Trends in Observed and FARS Use Rates in 15 States that Participated in Statewide or Regional HVE Programs." National Academies of Sciences, Engineering, and Medicine. 2007. The Impact of Legislation, Enforcement, and Sanctions on Safety Belt Use. Washington, DC: The National Academies Press. doi: 10.17226/23127.
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Suggested Citation:"Appendix D - Trends in Observed and FARS Use Rates in 15 States that Participated in Statewide or Regional HVE Programs." National Academies of Sciences, Engineering, and Medicine. 2007. The Impact of Legislation, Enforcement, and Sanctions on Safety Belt Use. Washington, DC: The National Academies Press. doi: 10.17226/23127.
×
Page 60
Page 61
Suggested Citation:"Appendix D - Trends in Observed and FARS Use Rates in 15 States that Participated in Statewide or Regional HVE Programs." National Academies of Sciences, Engineering, and Medicine. 2007. The Impact of Legislation, Enforcement, and Sanctions on Safety Belt Use. Washington, DC: The National Academies Press. doi: 10.17226/23127.
×
Page 61
Page 62
Suggested Citation:"Appendix D - Trends in Observed and FARS Use Rates in 15 States that Participated in Statewide or Regional HVE Programs." National Academies of Sciences, Engineering, and Medicine. 2007. The Impact of Legislation, Enforcement, and Sanctions on Safety Belt Use. Washington, DC: The National Academies Press. doi: 10.17226/23127.
×
Page 62
Page 63
Suggested Citation:"Appendix D - Trends in Observed and FARS Use Rates in 15 States that Participated in Statewide or Regional HVE Programs." National Academies of Sciences, Engineering, and Medicine. 2007. The Impact of Legislation, Enforcement, and Sanctions on Safety Belt Use. Washington, DC: The National Academies Press. doi: 10.17226/23127.
×
Page 63
Page 64
Suggested Citation:"Appendix D - Trends in Observed and FARS Use Rates in 15 States that Participated in Statewide or Regional HVE Programs." National Academies of Sciences, Engineering, and Medicine. 2007. The Impact of Legislation, Enforcement, and Sanctions on Safety Belt Use. Washington, DC: The National Academies Press. doi: 10.17226/23127.
×
Page 64

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59 A P P E N D I X D Trends in Observed and FARS Use Rates in 15 States that Participated in Statewide or Regional HVE Programs

60 7-yr 1999 2000 2001 2002 2003 2004 2005 2006 Chg. NC (% Use) 78 81 83 84 86 96 87 89 Annual Change 3 2 1 2 10 -9 2 11 Cumulative Change 5 6 8 18 9 11 1999 2000 2001 2002 2003 2004 2005 2006 Chg. WA (% Use) 81 82 83 93 95 94 95 96 Annual Change 1 1 10 2 -1 1 1 15 Cumulative Change 1 12 14 13 14 15 1999 2000 2001 2002 2003 2004 2005 2006 Chg. TX (% Use) 74 77 76 81 84 83 90 90 Annual Change 3 -1 5 3 -1 7 0 16 Cumulative Change 2 7 10 9 16 16 1999 2000 2001 2002 2003 2004 2005 2006 Chg. GA (% Use) 74 74 79 77 85 87 82 90 Annual Change 0 5 -2 8 2 -5 8 16 Cumulative Change 5 3 11 13 8 16 1999 2000 2001 2002 2003 2004 2005 2006 Chg. WV (% Use) 52 50 52 72 74 76 85 89 Annual Change -2 2 20 2 2 9 4 37 Cumulative Change 0 20 22 24 33 37 1999 2000 2001 2002 2003 2004 2005 2006 Chg. IL (% Use) 66 70 71 74 80 83 86 88 Annual Change 4 1 3 6 3 3 2 22 Cumulative Change 1 8 14 17 20 22 1999 2000 2001 2002 2003 2004 2005 2006 Chg. IN (% Use) 57 62 67 72 82 83 81 84 Annual Change 5 5 5 10 1 -2 3 27 Cumulative Change 10 15 25 26 24 27 1999 2000 2001 2002 2003 2004 2005 2006 Chg. AL (% Use) 58 71 79 79 77 80 82 83 Annual Change 13 8 0 -2 3 2 1 25 Cumulative Change 8 21 19 22 24 25 1999 2000 2001 2002 2003 2004 2005 2006 Chg. VT (% Use) 70 62 67 85 82 80 85 82 Annual Change -8 5 18 -3 -2 5 -3 12 Cumulative Change -3 15 12 10 15 12 Table 1. Observed use rates (%) in participating STEP states.

61 1999 2000 2001 2002 2003 2004 2005 2006 Chg. FL (% Use) 59 65 70 75 73 76 74 81 Annual Change 6 5 5 -2 3 -2 7 22 Cumulative Change 11 16 14 17 15 22 1999 2000 2001 2002 2003 2004 2005 2006 Chg. TN (% Use) 61 59 68 67 69 72 74 79 Annual Change -2 9 -1 2 3 2 5 18 Cumulative Change 7 6 8 11 13 18 1999 2000 2001 2002 2003 2004 2005 2006 Chg. MS (% Use) 55 50 62 62 62 63 61 74 Annual Change -5 12 0 0 1 -2 13 19 Cumulative Change 12 7 7 8 6 19 1999 2000 2001 2002 2003 2004 2005 2006 Chg. SC (% Use) 65 74 70 66 73 66 70 73 Annual Change 9 -4 -4 7 -7 4 3 8 Cumulative Change 5 1 8 1 5 8 1999 2000 2001 2002 2003 2004 2005 2006 Chg. KY (% Use) 59 60 62 62 66 66 67 67 Annual Change 1 2 0 4 0 1 0 8 Cumulative Change 3 3 7 7 8 8 1999 2000 2001 2002 2003 2004 2005 2006 Chg. NV (% Use) 80 79 75 75 79 87 95 Annual Change -1 -4 0 4 8 8 15 Cumulative Change -5 -5 -1 7 15 Table 1. (Continued).

62 6-yr 1999 2000 2001 2002 2003 2004 2005 Chg. NC (% Use) 50 46 49 47 54 53 50 Annual Change -4 3 -2 7 -1 -3 0 Cumulative Change -1 -3 4 3 0 1999 2000 2001 2002 2003 2004 2005 Chg. WA (% Use) 40 40 45 49 58 58 54 Annual Change 0 5 4 9 0 -4 14 Cumulative Change 5 9 18 18 14 1999 2000 2001 2002 2003 2004 2005 Chg. TX (% Use) 44 47 47 50 51 55 52 Annual Change 3 0 3 1 4 -3 8 Cumulative Change 3 6 7 11 8 1999 2000 2001 2002 2003 2004 2005 Chg. GA (% Use) 39 41 45 44 45 45 44 Annual Change 2 4 -1 1 0 -1 5 Cumulative Change 6 5 6 6 5 1999 2000 2001 2002 2003 2004 2005 Chg. WV (% Use) 33 31 32 34 40 39 38 Annual Change -2 1 2 6 -1 -1 5 Cumulative Change -1 1 7 6 5 1999 2000 2001 2002 2003 2004 2005 Chg. IL (% Use) 39 39 38 37 42 48 49 Annual Change 0 -1 -1 5 6 1 10 Cumulative Change -1 -2 3 9 10 1999 2000 2001 2002 2003 2004 2005 Chg. IN (% Use) 41 40 41 46 49 47 47 Annual Change -1 1 5 3 -2 0 6 Cumulative Change 0 5 8 6 6 1999 2000 2001 2002 2003 2004 2005 Chg. AL (% Use) 32 36 46 40 42 44 39 Annual Change 4 10 -6 2 2 -5 7 Cumulative Change 10 8 10 12 7 1999 2000 2001 2002 2003 2004 2005 Chg. VT (% Use) 26 47 39 42 57 51 48 Annual Change 21 -8 3 15 -6 -3 22 Cumulative Change 13 16 31 25 22 Table 2. FARS use rates (%) in participating STEP states.

63 1999 2000 2001 2002 2003 2004 2005 Chg. FL (% Use) 36 33 36 37 40 39 41 Annual Change -3 3 1 3 -1 2 5 Cumulative Change 0 1 4 3 5 1999 2000 2001 2002 2003 2004 2005 Chg. TN (% Use) 27 27 30 34 35 36 39 Annual Change 0 3 4 1 1 3 12 Cumulative Change 3 7 8 9 12 1999 2000 2001 2002 2003 2004 2005 Chg. MS (% Use) 23 26 30 27 33 23 27 Annual Change 3 4 -3 6 -10 4 4 Cumulative Change 4 4 10 0 4 1999 2000 2001 2002 2003 2004 2005 Chg. SC (% Use) 35 37 32 34 33 27 32 Annual Change 2 -5 2 -1 -6 5 -3 Cumulative Change -3 -1 -2 -8 -3 1999 2000 2001 2002 2003 2004 2005 Chg. KY (% Use) 30 34 30 36 32 34 35 Annual Change 4 -4 6 -4 2 1 5 Cumulative Change 0 6 2 4 5 1999 2000 2001 2002 2003 2004 2005 Chg. NV (% Use) 40 35 33 39 41 51 47 Annual Change -5 -2 6 2 10 -4 7 Cumulative Change -7 -1 1 11 7 Table 2. (Continued).

64 Chg Base Type of State (Law Type) (pts) (%) 9 78 Benchmark (NC): An initial primary law state 16 74 Initial primary law state (TX) 13 76 Two initial primary states (NC+TX) 17 66 All upgrade states (WA+GA+IL+IN+AL+TN) 19 65 New upgrade states (WA+IL+IN+AL+TN) 14 63 Secondary law states (WV+VT+FL+MS+SC+KY+NV) 15 66 All participating states Chg Base Type of State (Law Type) (pts) (%) 0 50 Benchmark (NC): An initial primary law state 8 44 Initial primary law state (TX) 4 47 Two Initial primary states (NC+TX) 9 36 Upgrade states (WA+GA+IL+IN+AL+TN) 10 36 New upgrade states (WA+IL+IN+AL+TN) 6 32 Secondary law states (WV+VT+FL+MS+SC+KY+NV) 7 36 All participating states Table 3. Summary of change in observed use (1999–2005). Table 4. Summary of change in FARS use (1999–2005). Summaries of Changes in Observed and FARS Use

Next: Appendix E - Estimated Costs of Fatalities and MAIS 2 5 Injuries »
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TRB’s National Cooperative Highway Research Program (NCHRP) Report 601: The Impact of Legislation, Enforcement, and Sanctions on Safety Belt Use explores the effectiveness of mandatory approaches to increase safety belt usage.

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