Skip to Search Skip to Left Navigation U.S. Department of Transportation (US DOT) Research and Innovative Technology Administration (RITA) Bureau of Transportation Statistics (BTS)Bureau of Transportation Statistics (BTS) - Research and Innovative Technology Administration (RITA) - United States Department of Transportation (USDOT, US DOT or DOT)
  ABOUT RITA | CONTACT US | PRESS ROOM | CAREERS | SITE MAP
Bureau of Transportation Statistics
Data and Statistics
Bookstore
Programs
About BTS
Upcoming Press Releases
External Links
Intelligent Transportation Systems
National Transportation Library
Research, Development and Technology
Transportation Safety Institute
University Transportation Centers
Volpe National Transportation Systems Center
Printable Version

Table A1: Estimates of Annual Domestic Commodity Inflows to Massachusetts

Excluding energy1

Excel | CSV

Commodity Observed
inflows
(000s of metric tons)
Estimated
inflows
(000s of metric tons)
Percentage
error
Distance
ratio2
Apparel or other finished textile products 238 204 -16.8 0.8
Chemicals or allied products 3,332 2,519 -32.3 1.1
Clay, concrete, glass, or stone products 1,512 1,777 14.9 1.4
Electrical machinery, equipment, or supplies 276 269 -2.6 1.3
Fabricated metal products 644 585 -10.1 0.7
Farm products 259 228 -13.5 1.6
Food or kindred products 6,931 6,682 -3.7 1.3
Furniture or fixtures 244 219 -11.5 1.3
Instruments, photographic goods, optical goods, watches, or clocks 33 26 -26.5 1.1
Leather or leather products 41 36 -13.2 N/A
Lumber or wood products, excluding furniture 1,340 1,013 -32.3 4.5
Machinery, excluding electrical 221 195 -13.6 N/A
Miscellaneous products or manufacturing 333 269 -23.9 1.1
Primary metal products 1,051 1,351 22.2 1.0
Pulp, paper, or allied products 2,713 2,395 -13.2 1.3
Rubber or miscellaneous plastics products 557 483 -15.2 1.5
Textile mill products 391 337 -15.9 N/A
Transportation equipment 903 578 -56.1 1.1
Waste or scrap materials 32 36 10.7 N/A
Total, all commodities 21,052 19,203 -9.6 1.1
Weighted average error: 16.8%
Mean absolute error: 15.6%

1 Energy commodities include mining, petroleum, and coal products.

2 Distance ratio is the average shipment distance for the commodity to the state divided by the national average.

Key: N/A = not applicable.

Note: Observed inflows are obtained from the 1993 Commodity Flow survey. Estimates are derived from the inflows to the six-state Northeastern Region (Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, and Vermont).