Table 6
Pipeline: 1999 Data 
Oil1
"Crude lines: 86,000 miles, 336 billion ton-miles"
"Product lines: 91,000 miles, 287 billion ton-miles"
Natural gas (estimates)2
"Transmission: 263,000 miles of pipe"
"Distribution: 1,046,000 miles of pipe, 184 companies, 138,000 employees"
"1 Eno Foundation, Inc., Transportation in America, 2000 (Washington, DC: 2001)."
"2 American Gas Association, Gas Facts (Washington, DC: 1999)."