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

0

0.0%

1

1.9%

1

4.0%

2

2.0%

Gases

3

14.3%

7

13.5%

2

8.0%

12

12.2%

Flammable Liquids

7

33.3%

6

11.5%

16

64.0%

29

29.6%

Flammable Solids

0

0.0%

0

0.0%

1

4.0%

1

1.0%

Oxidizing Substances

0

0.0%

2

3.8%

0

0.0%

2

2.0%

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

1

4.8%

4

7.7%

1

4.0%

6

6.1%

Miscellaneous Dangerous Goods

1

4.8%

2

3.8%

0

0.0%

3

3.1%

Unknown

9

42.9%

30

57.7%

4

16.0%

43

43.9%

Total

21

100.0%

52

100.0%

25

100.0%

98

100.0%

Nonfatal Crashes

Explosives

3

1.6%

25

2.3%

2

0.9%

30

2.0%

Gases

20

11.0%

143

13.2%

37

15.9%

200

13.4%

Flammable Liquids

71

39.0%

328

30.4%

104

44.6%

503

33.6%

Flammable Solids

4

2.2%

8

0.7%

1

0.4%

13

0.9%

Oxidizing Substances

6

3.3%

9

0.8%

4

1.7%

19

1.3%

Poisonous and Infectious Substances

0

0.0%

3

0.3%

3

1.3%

6

0.4%

Radioactive

1

0.5%

2

0.2%

0

0.0%

3

0.2%

Corrosives

12

6.6%

52

4.8%

25

10.7%

89

6.0%

Miscellaneous Dangerous Goods

3

1.6%

11

1.0%

10

4.3%

24

1.6%

Unknown

62

34.1%

499

46.2%

47

20.2%

608

40.7%

Total

182

100.0%

1,080

100.0%

233

100.0%

1,495

100.0%

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