Table 48. Truck Tractors with Trailers Involved in Crashes by Number of Trailers,
Jackknife Occurrence, and Crash Severity
|
Number of Trailers |
Jackknife Occurrence |
Total | ||||
|---|---|---|---|---|---|---|
|
Yes |
No | |||||
|
Number |
Percent |
Number |
Percent |
Number |
Percent | |
|
Fatal Crashes | ||||||
|
One |
210 |
6.9 |
2,821 |
93.1 |
3,031 |
100.0 |
|
Two or More |
17 |
10.7 |
142 |
89.3 |
159 |
100.0 |
|
Unknown Number |
0 |
0.0 |
2 |
100.0 |
2 |
100.0 |
|
Total |
227 |
7.1 |
2,965 |
92.9 |
3,192 |
100.0 |
|
Injury Crashes | ||||||
|
One |
2,000 |
3.9 |
40,000 |
96.1 |
41,000 |
100.0 |
|
Two or More |
* |
8.5 |
1,000 |
91.5 |
1,000 |
100.0 |
|
Unknown Number |
* |
* |
* |
100.0 |
* |
100.0 |
|
Total |
2,000 |
4.0 |
41,000 |
96.0 |
43,000 |
100.0 |
|
Property-Damage-Only Crashes | ||||||
|
One |
3,000 |
2.3 |
137,000 |
97.7 |
140,000 |
100.0 |
|
Two or More |
1,000 |
17.0 |
3,000 |
83.0 |
4,000 |
100.0 |
|
Unknown Number |
* |
* |
1,000 |
100.0 |
1,000 |
100.0 |
|
Total |
4,000 |
2.7 |
141,000 |
97.3 |
145,000 |
100.0 |
|
All Crashes | ||||||
|
One |
5,000 |
2.7 |
180,000 |
97.3 |
185,000 |
100.0 |
|
Two or More |
1,000 |
14.9 |
5,000 |
85.1 |
5,000 |
100.0 |
|
Unknown Number |
* |
* |
1,000 |
100.0 |
1,000 |
100.0 |
|
Total |
6,000 |
3.1 |
185,000 |
96.9 |
191,000 |
100.0 |
*Less than 500 or less than 0.05 percent.