|
Assessing the Impact of Speed Limit Increases on Fatal Interstate Crashes
By Sandy Balkin, Ernst & Young LLP and J. Keith Ord, Georgetown University
TABLES / APPENDICES / ATTACHMENTS / REFERENCES
Table 3: Predicted number of fatal crashes attributed to the speed limit increase on rural interstates.
|
STATE
|
FIRST-%
|
SECOND-%
|
Predicted 1988
|
Predicted 1996
|
Predicted 1997
|
Predicted 1998
|
| Alabama |
0.0%
|
24.8%
|
57.0
|
49.7
|
63.3
|
52.1
|
| Arizona |
41.0%
|
0.0%
|
82.3
|
103.0
|
98.0
|
140.0
|
| Arkansas |
32.6%
|
0.0%
|
25.6
|
38.0
|
28.0
|
46.0
|
| Florida |
0.0%
|
37.2%
|
153.0
|
84.5
|
121.0
|
96.9
|
| Georgia |
0.0%
|
30.0%
|
65.0
|
76.9
|
56.2
|
65.4
|
| Illinois |
21.9%
|
0.0%
|
59.9
|
68.0
|
71.0
|
74.0
|
| Iowa |
35.8%
|
0.0%
|
21.4
|
21.0
|
22.0
|
21.0
|
| Kansas |
23.1%
|
0.0%
|
19.5
|
18.0
|
23.0
|
14.0
|
| Maine |
18.4%
|
0.0%
|
16.9
|
8.0
|
12.0
|
14.0
|
| Maryland |
0.0%
|
37.4%
|
19.0
|
10.9
|
18.9
|
13.1
|
| Michigan |
46.7%
|
0.0%
|
30.0
|
46.0
|
40.0
|
46.0
|
| Minnesota |
25.7%
|
0.0%
|
16.7
|
15.0
|
12.0
|
31.0
|
| Missouri |
13.0%
|
42.2%
|
47.8
|
61.2
|
65.4
|
68.9
|
| Nebraska |
35.5%
|
0.0%
|
14.8
|
21.0
|
22.0
|
28.0
|
| Nevada |
0.0%
|
27.1%
|
32.0
|
41.7
|
34.6
|
48.8
|
| New Hampshire |
21.4%
|
0.0%
|
15.7
|
10.0
|
10.0
|
8.0
|
| New Mexico |
15.8%
|
25.5%
|
67.4
|
67.7
|
83.7
|
81.3
|
| North Carolina |
42.6%
|
0.0%
|
53.3
|
71.0
|
50.0
|
53.0
|
| Ohio |
46.6%
|
0.0%
|
32.1
|
46.0
|
44.0
|
39.0
|
| Pennsylvania |
0.0%
|
36.4%
|
69.0
|
46.9
|
39.6
|
49.1
|
| Tennessee |
15.5%
|
40.4%
|
63.2
|
61.3
|
49.9
|
69.1
|
| Texas |
0.0%
|
18.0%
|
236.0
|
186.4
|
183.9
|
169.5
|
| Virginia |
31.6%
|
0.0%
|
48.6
|
59.0
|
71.0
|
62.0
|
| Washington |
24.5%
|
0.0%
|
32.1
|
43.0
|
30.0
|
39.0
|
| West Virginia |
46.2%
|
0.0%
|
19.8
|
48.0
|
40.0
|
34.0
|
| Wisconsin |
24.3%
|
0.0%
|
19.3
|
27.0
|
25.0
|
20.0
|
| Predicted Total |
1317.3
|
1329.3
|
1314.4
|
1383.2
|
||
| Actual Total |
1516.0
|
1530.0
|
1525.0
|
1596.0
|
||
| Approximate Increase |
198.7
|
200.7
|
210.6
|
212.8
|
||
| Percentage Increase |
15.09%
|
15.10%
|
16.02%
|
15.39%
|
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