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

2

4.4%

5

7.8%

0

0.0%

7

5.5%

Gases

5

11.1%

8

12.5%

5

26.3%

18

14.1%

Flammable Liquids

23

51.1%

18

28.1%

4

21.1%

45

35.2%

Flammable Solids

1

2.2%

0

0.0%

0

0.0%

1

0.8%

Oxidizing Substances

0

0.0%

2

3.1%

0

0.0%

2

1.6%

Poisonous and Infectious Substances

0

0.0%

1

1.6%

0

0.0%

1

0.8%

Radioactive

0

0.0%

0

0.0%

0

0.0%

0

0.0%

Corrosives

2

4.4%

10

15.6%

1

5.3%

13

10.2%

Miscellaneous Dangerous Goods

2

4.4%

1

1.6%

1

5.3%

4

3.1%

Unknown

10

22.2%

19

29.7%

8

42.1%

37

28.9%

Total

45

100.0%

64

100.0%

19

100.0%

128

100.0%

Nonfatal Crashes

Explosives

6

1.5%

30

2.0%

4

0.9%

40

1.7%

Gases

66

16.3%

232

15.5%

49

10.4%

347

14.6%

Flammable Liquids

169

41.7%

523

34.9%

71

15.1%

763

32.1%

Flammable Solids

9

2.2%

12

0.8%

0

0.0%

21

0.9%

Oxidizing Substances

8

2.0%

16

1.1%

3

0.6%

27

1.1%

Poisonous and Infectious Substances

7

1.7%

14

0.9%

0

0.0%

21

0.9%

Radioactive

1

0.2%

4

0.3%

0

0.0%

5

0.2%

Corrosives

19

4.7%

105

7.0%

21

4.5%

145

6.1%

Miscellaneous Dangerous Goods

26

6.4%

81

5.4%

60

12.8%

167

7.0%

Unknown

94

23.2%

483

32.2%

261

55.7%

838

35.3%

Total

405

100.0%

1,500

100.0%

469

100.0%

2,374

100.0%

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