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

6.1%

3

4.3%

0

0.0%

5

4.4%

Gases

1

3.0%

8

11.4%

1

10.0%

10

8.8%

Flammable Liquids

17

51.5%

26

37.1%

5

50.0%

48

42.5%

Flammable Solids

1

3.0%

1

1.4%

0

0.0%

2

1.8%

Oxidizing Substances

0

0.0%

3

4.3%

0

0.0%

3

2.7%

Poisonous and Infectious Substances

1

3.0%

1

1.4%

0

0.0%

2

1.8%

Radioactive

0

0.0%

0

0.0%

0

0.0%

0

0.0%

Corrosives

4

12.1%

2

2.9%

1

10.0%

7

6.2%

Miscellaneous Dangerous Goods

2

6.1%

3

4.3%

0

0.0%

5

4.4%

Unknown

5

15.2%

23

32.9%

3

30.0%

31

27.4%

Total

33

100.0%

70

100.0%

10

100.0%

113

100.0%

Nonfatal Crashes

Explosives

4

1.3%

71

3.7%

3

1.6%

78

3.2%

Gases

28

9.1%

282

14.7%

29

15.4%

339

14.1%

Flammable Liquids

141

45.8%

659

34.4%

56

29.8%

856

35.5%

Flammable Solids

4

1.3%

17

0.9%

2

1.1%

23

1.0%

Oxidizing Substances

2

0.6%

13

0.7%

4

2.1%

19

0.8%

Poisonous and Infectious Substances

4

1.3%

10

0.5%

0

0.0%

14

0.6%

Radioactive

0

0.0%

6

0.3%

1

0.5%

7

0.3%

Corrosives

22

7.1%

94

4.9%

9

4.8%

125

5.2%

Miscellaneous Dangerous Goods

23

7.5%

127

6.6%

5

2.7%

155

6.4%

Unknown

80

26.0%

634

33.1%

79

42.0%

793

32.9%

Total

308

100.0%

1,913

100.0%

188

100.0%

2,409

100.0%

Note: A large truck is defined here as a truck, used for commercial purposes, with a gross vehicle weight rating (GVWR) or gross combination weight rating greater than 10,000 pounds.

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