Miles of U.S. inland waterway: 25,000.

Miles of U.S. surfaced roadway: 3,500,000.

Miles of U.S. railway: 172,900.

Miles of U.S. railway in 1916: 254,000.

Number of trucks in service in the U.S. : more than 36 million.

Number of trucks in use U.S. in 1904: 700.

Average width of a two-lane road in U.S. : 24 feet .

Average width of a heavy duty, class 8 truck: 8 feet.

Average width of a passenger car: 6 feet.

Miles of U.S. Interstate highways: 44,546.

Percentage of U.S. roads paved with asphalt: 90.

Length of timed traffic signal in U.S. : 30-150 seconds.

Number of freight vehicles in existence for every 0.9 miles of surfaced road in the U.S: 1.

Liklihood that a truck driver will be affected by disk herniation, compared to other adults: 3 to 4 times.

Ratio of men to women featured in major trucking industry publications during six months: 6:1.

Ratio of children to women featured in major trucking industry publications during six months: 4:1

Ratio of animals to women featured in major trucking industry publications during six months: 2:1

Average state and federal tax on gasoline per gallon in U.S.: 36.8 cents.

Average state and federal tax on diesel fuel per gallon in U.S.: 43.33 cents.

Number of American motorists driving on the U.S. Interstate system: 175,000,000.

Estimated total miles driven by American motorists on the U.S. interstate system: over 547,000,000,000.

Number of persons employed by U.S. trucking industry: More than 7,800,000.

Average age of person advertising in personal sections of trucking industry publications: 41 years.

Percent of trucking industry hauls 100 miles or shorter: About 61.

Percent of railway industry’s hauls 1,000 miles or more: About 75.

Range of calories burned a day by the average trucker: 5,000.

Calories contained in a pound of fat: 3,500.

Cost of a parking space for a heavy duty, class 8 truck: $22,000.

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