Table 41. Large Trucks in Crashes by Hazardous Materials (HM) Cargo Type and HM Release

HM Cargo Type

HM Release

Yes

No

Unknown

Total

Number

Percent

Number

Percent

Number

Percent

Number

Percent

Fatal Crashes

Explosives

1

4.3%

2

4.0%

0

0.0%

3

3.4%

Gases

1

4.3%

8

16.0%

1

7.1%

10

11.5%

Flammable Liquids

14

60.9%

22

44.0%

3

21.4%

39

44.8%

Flammable Solids

1

4.3%

1

2.0%

0

0.0%

2

2.3%

Oxidizing Substances

0

0.0%

0

0.0%

0

0.0%

0

0.0%

Poisonous and Infectious Substances

0

0.0%

0

0.0%

0

0.0%

0

0.0%

Radioactive

0

0.0%

0

0.0%

0

0.0%

0

0.0%

Corrosives

2

8.7%

0

0.0%

2

14.3%

4

4.6%

Miscellaneous Dangerous Goods

1

4.3%

6

12.0%

0

0.0%

7

8.0%

Unknown

3

13.0%

11

22.0%

8

57.1%

22

25.3%

Total

23

100.0%

50

100.0%

14

100.0%

87

100.0%

Nonfatal Crashes

Explosives

5

1.9%

20

1.8%

2

0.8%

27

1.6%

Gases

34

13.2%

166

14.5%

21

8.8%

221

13.5%

Flammable Liquids

79

30.6%

348

30.5%

80

33.5%

507

30.9%

Flammable Solids

3

1.2%

11

1.0%

1

0.4%

15

0.9%

Oxidizing Substances

5

1.9%

12

1.1%

4

1.7%

21

1.3%

Poisonous and Infectious Substances

0

0.0%

10

0.9%

2

0.8%

12

0.7%

Radioactive

1

0.4%

1

0.1%

0

0.0%

2

0.1%

Corrosives

16

6.2%

78

6.8%

9

3.8%

103

6.3%

Miscellaneous Dangerous Goods

16

6.2%

63

5.5%

16

6.7%

95

5.8%

Unknown

99

38.4%

433

37.9%

104

43.5%

636

38.8%

Total

258

100.0%

1,142

100.0%

239

100.0%

1,639

100.0%

Source: Federal Motor Carrier Safety Administration, MCMIS Crash File.