90 Percent Confidence Intervals for 2007 Commodity Flow Survey State Summary: Maryland

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Summary	Value	Weight
Total shipments originating in Maryland	$ 117,838 - 144,666	113,785 - 141,475
Percent of total U.S. shipments	1.0 - 1.2	0.9 - 1.2

Commodity Shipments Originating in Maryland by Value

2 Digits SCTG - Commodity Desc.	Percent of value
43 Mixed freight	7.5 - 19.7
21 Pharmaceutical products	4.4 - 17.4
35 Electronic & other electrical equip & components & office equip	7.1 - 13.3
7 Other prepared foodstuffs and fats and oils	5.1 - 9.5
34 Machinery	3.1 - 6.5
Other commodities	(X)
Total	(X)

Commodity Shipments Originating in Maryland by Weight

2 Digits SCTG - Commodity Desc.	Percent of weight
12 Gravel and crushed stone	12.2 - 26.8
31 Nonmetallic mineral products	8.7 - 19.9
11 Natural sands	4.7 - 9.3
13 Nonmetallic minerals nec	1.9 - 7.9
20 Basic chemicals	2.0 - 7.2
Other commodities	(X)
Total	(X)

Outbound Shipments for State of Maryland by Value and Weight

State of Destination	Percent of value
Maryland	33.2 - 37.8
Virginia	11.5 - 15.1
Pennsylvania	9.2 - 13.1
New Jersey	4.5 - 5.5
New York	4.2 - 5.5
District of Columbia	1.7 - 4.0
Other states	(X)
Total	(X)

State of Destination	Percent of weight
Maryland	49.5 - 61.4
Pennsylvania	7.0 - 13.9
Virginia	7.7 - 11.7
Delaware	3.8 - 9.4
New Jersey	2.5 - 3.8
New York	1.7 - 3.0
Other states	(X)
Total	(X)

Inbound Shipments for State of Maryland by Value and Weight

State of Origin	Percent of value
Maryland	19.1 - 26.4
Tennessee	5.5 - 17.7
New Jersey	6.9 - 14.8
Pennsylvania	8.5 - 11.1
Virginia	4.6 - 7.6
California	2.3 - 7.6
Other states	(X)
Total	(X)

State of Origin	Percent of weight
Maryland	44.7 - 53.9
Pennsylvania	9.9 - 20.8
West Virginia	6.5 - 14.1
Virginia	4.5 - 8.8
New Jersey	1.4 - 3.4
Delaware	0.1 - 2.8
Other states	(X)
Total	(X)

Modes of Transportation for Shipments Originating in Maryland

Mode of Transportation	Percent of value
Truck	77.1 - 84.3
Air (incl truck and air)	0.6 - 4.2
Rail	0.6 - 1.2
Water	(NA)
Pipeline	(NA)
Multiple modes	11.0 - 17.6
Parcel, U.S.P.S. or courier	9.5 - 16.5
Other and unknown modes	1.0 - 2.4
Total	(X)

Mode of Transportation	Percent of weight
Truck	93.6 - 96.6
Air (incl truck and air)	(NA)
Rail	1.2 - 3.2
Water	(NA)
Pipeline	(NA)
Multiple modes	0.6 - 2.6
Parcel, U.S.P.S. or courier	0.1 - 0.5
Other and unknown modes	0.3 - 1.7
Total	(X)

Domestic Distance Shipped for Commodities Originating in Maryland

Distance Shipped	Percent of value
Less than 50 miles	40.5 - 45.5
50 to 99 miles	10.1 - 13.7
100 to 249 miles	17.1 - 21.7
250 to 499 miles	8.8 - 13.4
500 to 749 miles	4.3 - 5.9
750 to 999 miles	2.3 - 3.9
1,000 to 1,499 miles	1.7 - 3.3
1,500 to 1,999 miles	0.6 - 1.0
2,000 miles or more	2.3 - 3.9
Total	(X)

Distance Shipped	Percent of weight
Less than 50 miles	59.7 - 69.3
50 to 99 miles	10.8 - 16.4
100 to 249 miles	9.9 - 15.9
250 to 499 miles	4.3 - 5.7
500 to 749 miles	1.3 - 2.7
750 to 999 miles	0.4 - 0.8
1,000 to 1,499 miles	0.4 - 0.8
1,500 to 1,999 miles	0.1 - 0.1
2,000 miles or more	0.2 - 1.2
Total	(X)

Shipment by Industry Originating in Maryland

NAICS - Industry	Percent of value
212 Mining (except oil and gas)	0.2 - 0.6
31-33 Manufacturing	25.5 - 36.5
42 Wholesale trade	39.2 - 51.2
4541 Electronic shopping and mail-order houses	(NA)
45431 Fuel dealers	1.2 - 1.8
4931 Warehousing and storage	11.8 - 21.4
5111 Newspaper, periodical, book, and directory publishers	0.3 - 1.7
551114 Corporate, subsidiary, and regional managing offices	1.2 - 3.8
Total	(X)

NAICS - Industry	Percent of weight
212 Mining (except oil and gas)	22.0 - 35.2
31-33 Manufacturing	28.4 - 38.0
42 Wholesale trade	21.5 - 34.1
4541 Electronic shopping and mail-order houses	(NA)
45431 Fuel dealers	1.5 - 2.1
4931 Warehousing and storage	(NA)
5111 Newspaper, periodical, book, and directory publishers	0.0 - 0.3
551114 Corporate, subsidiary, and regional managing offices	(NA)
Total	(X)

* Estimate for pipelines exclude shipments of crude petroleum.
** Multiple modes inlcudes Parcel, U.S.P.S or Courier, Truck-Rail, Truck-Water, Rail-Water and Other multiple modes
(NA): Not available
(X): Not applicable

SOURCE: U.S. Department of Transportation, Research and Innovative Technology Administration, Bureau of Transportation Statistics and U.S. Department of Commerce, U.S. Census Bureau, 2007 Commodity Flow Survey data, March 2010.