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

1.5%

0

0.0%

1

1.0%

Gases

3

10.3%

6

9.1%

3

33.3%

12

11.5%

Flammable Liquids

15

51.7%

13

19.7%

3

33.3%

31

29.8%

Flammable Solids

1

3.4%

0

0.0%

0

0.0%

1

1.0%

Oxidizing Substances

0

0.0%

2

3.0%

0

0.0%

2

1.9%

Poisonous and Infectious Substances

0

0.0%

1

1.5%

1

11.1%

2

1.9%

Radioactive

0

0.0%

0

0.0%

0

0.0%

0

0.0%

Corrosives

3

10.3%

10

15.2%

1

11.1%

14

13.5%

Miscellaneous Dangerous Goods

2

6.9%

5

7.6%

0

0.0%

7

6.7%

Unknown

5

17.2%

28

42.4%

1

11.1%

34

32.7%

Total

29

100.0%

66

100.0%

9

100.0%

104

100.0%

Nonfatal Crashes

Explosives

6

2.4%

26

1.6%

3

1.7%

35

1.7%

Gases

18

7.1%

200

12.6%

35

19.8%

253

12.5%

Flammable Liquids

102

40.3%

512

32.2%

76

42.9%

690

34.1%

Flammable Solids

3

1.2%

14

0.9%

1

0.6%

18

0.9%

Oxidizing Substances

2

0.8%

13

0.8%

2

1.1%

17

0.8%

Poisonous and Infectious Substances

5

2.0%

9

0.6%

1

0.6%

15

0.7%

Radioactive

1

0.4%

6

0.4%

2

1.1%

9

0.4%

Corrosives

14

5.5%

101

6.3%

15

8.5%

130

6.4%

Miscellaneous Dangerous Goods

27

10.7%

104

6.5%

8

4.5%

139

6.9%

Unknown

75

29.6%

607

38.1%

34

19.2%

716

35.4%

Total

253

100.0%

1,592

100.0%

177

100.0%

2,022

100.0%

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