Table 4. Shipment Characteristics by Mode of Transportation and Shipment Size for Metropolitan Area of Origin: 2007

Tuesday, July 3, 2012

Estimates are based on data from the 2007 Commodity Flow Survey. Because of rounding, estimates may not be additive.

All Modes

Shipment Weight	Value		Tons		Ton-miles²		Average miles per shipment	Value		Tons		Ton-miles		Average miles per shipment CV
Shipment Weight	2007 (million $)	Percent of total	2007 (thousands)	Percent of total	2007 (millions)	Percent of total	Average miles per shipment	CV³	Standard Error of %	CV	Standard Error of %	CV	Standard Error of %	Average miles per shipment CV
Total	126,557	100	77,592	100	13,905	100	759	9.5	-	22.2	-	13.3	-	10.6
Less than 50 lbs	29,285	23.1	296	0.4	229	1.6	837	23.8	4.3	10.5	0.1	19.5	0.2	9.4
50 - 99 lbs	2,341	1.8	76	0.1	24	0.2	319	35.0	0.5	15.2	-	16.9	-	23.7
100 - 499 lbs	9,016	7.1	545	0.7	140	1.0	237	33.7	1.7	18.9	0.2	18.0	0.2	18.6
500 - 749 lbs	3,354	2.7	262	0.3	65	0.5	259	31.8	0.6	8.8	0.1	18.5	0.1	14.3
750 - 999 lbs	2,420	1.9	264	0.3	67	0.5	259	28.6	0.4	12.7	0.1	13.8	0.1	19.5
1,000 - 9,999 lbs	15,311	12.1	5,154	6.6	930	6.7	174	4.6	1.3	10.9	1.4	14.8	1.4	13.5
10,000 - 49,999 lbs	56,774	44.9	51,975	67.0	7,970	57.3	175	13.1	3.8	31.4	4.8	10.6	4.7	18.5
50,000 - 99,999 lbs	5,933	4.7	9,239	11.9	703	5.1	66	28.0	1.3	23.4	2.9	21.2	1.1	29.6
More than 100,000 lbs	2,122	1.7	9,782	12.6	3,778	27.2	390	47.6	0.6	31.4	3.4	35.0	5.5	18.2

Single modes

Shipment Weight	Value		Tons		Ton-miles²		Average miles per shipment	Value		Tons		Ton-miles		Average miles per shipment CV
Shipment Weight	2007 (million $)	Percent of total	2007 (thousands)	Percent of total	2007 (millions)	Percent of total	Average miles per shipment	CV³	Standard Error of %	CV	Standard Error of %	CV	Standard Error of %	Average miles per shipment CV
Total	93,645	100	76,255	100	12,067	100	554	10.7	-	22.6	-	13.7	-	21.9
Less than 50 lbs	3,810	4.1	87	0.1	S	S	773	38.2	1.2	32.3	0.1	S	S	22.4
50 - 99 lbs	833	0.9	50	0.1	6	-	123	23.9	0.2	23.6	-	12.6	-	31.4
100 - 499 lbs	6,670	7.1	483	0.6	108	0.9	188	34.7	1.6	21.1	0.2	21.1	0.3	21.4
500 - 749 lbs	3,011	3.2	250	0.3	59	0.5	246	32.7	0.7	9.6	0.1	20.1	0.1	15.3
750 - 999 lbs	2,367	2.5	260	0.3	66	0.5	258	28.7	0.5	12.8	0.1	14.0	0.1	19.8
1,000 - 9,999 lbs	14,971	16.0	5,052	6.6	909	7.5	174	4.6	1.8	11.7	1.5	15.5	1.7	13.3
10,000 - 49,999 lbs	54,822	58.5	51,378	67.4	6,899	57.2	158	13.7	3.5	31.8	4.8	9.9	4.7	17.3
50,000 - 99,999 lbs	5,501	5.9	9,184	12.0	584	4.8	57	29.3	1.7	23.5	3.0	21.5	1.3	24.8
More than 100,000 lbs	1,660	1.8	9,511	12.5	3,388	28.1	320	43.9	0.5	31.7	3.4	37.6	6.0	24.6

Truck⁴

Shipment Weight	Value		Tons		Ton-miles²		Average miles per shipment	Value		Tons		Ton-miles		Average miles per shipment CV
Shipment Weight	2007 (million $)	Percent of total	2007 (thousands)	Percent of total	2007 (millions)	Percent of total	Average miles per shipment	CV³	Standard Error of %	CV	Standard Error of %	CV	Standard Error of %	Average miles per shipment CV
Total	86,729	100	68,028	100	9,577	100	552	10.8	-	24.0	-	13.7	-	22.5
Less than 50 lbs	3,721	4.3	86	0.1	S	S	765	39.4	1.3	32.7	0.1	S	S	24.0
50 - 99 lbs	807	0.9	50	0.1	5	0.1	114	23.2	0.2	23.7	-	21.4	-	34.3
100 - 499 lbs	6,622	7.6	481	0.7	106	1.1	185	35.0	2.1	21.3	0.2	21.7	0.3	21.7
500 - 749 lbs	2,998	3.5	248	0.4	57	0.6	241	32.9	0.9	9.7	0.1	21.6	0.1	16.5
750 - 999 lbs	2,359	2.7	258	0.4	65	0.7	258	28.8	0.6	13.1	0.1	14.1	0.1	19.6
1,000 - 9,999 lbs	14,575	16.8	4,470	6.6	894	9.3	182	4.8	1.9	10.2	1.5	15.8	1.6	13.3
10,000 - 49,999 lbs	52,334	60.3	50,698	74.5	6,542	68.3	151	14.6	3.3	32.1	4.4	9.1	4.7	18.6
50,000 - 99,999 lbs	2,903	3.3	6,109	9.0	351	3.7	52	21.9	1.1	15.3	2.2	14.8	1.0	26.5
More than 100,000 lbs	S	S	5,630	8.3	S	S	216	S	S	37.4	3.5	S	S	49.0

For-hire truck

Shipment Weight	Value		Tons		Ton-miles²		Average miles per shipment	Value		Tons		Ton-miles		Average miles per shipment CV
Shipment Weight	2007 (million $)	Percent of total	2007 (thousands)	Percent of total	2007 (millions)	Percent of total	Average miles per shipment	CV³	Standard Error of %	CV	Standard Error of %	CV	Standard Error of %	Average miles per shipment CV
Total	61,167	100	26,976	100	7,947	100	1,322	13.9	-	9.5	-	16.5	-	19.8
Less than 50 lbs	S	S	S	S	S	S	1,709	S	S	S	S	S	S	21.0
50 - 99 lbs	242	0.4	6	-	3	-	494	33.5	0.1	20.6	-	19.5	-	16.5
100 - 499 lbs	4,427	7.2	128	0.5	86	1.1	638	44.7	2.6	16.7	0.1	25.3	0.3	10.3
500 - 749 lbs	1,735	2.8	65	0.2	43	0.5	680	39.9	0.9	14.7	-	27.1	0.2	14.8
750 - 999 lbs	1,575	2.6	77	0.3	51	0.6	680	31.9	1.0	16.2	0.1	19.1	0.2	15.3
1,000 - 9,999 lbs	8,191	13.4	1,649	6.1	620	7.8	404	9.7	1.9	11.8	0.5	16.9	1.5	9.9
10,000 - 49,999 lbs	41,844	68.4	17,214	63.8	5,336	67.1	332	17.3	3.9	10.5	4.5	10.0	5.3	5.9
50,000 - 99,999 lbs	1,873	3.1	2,805	10.4	277	3.5	87	19.2	0.9	19.1	2.3	18.6	1.3	25.1
More than 100,000 lbs	S	S	5,008	18.6	S	S	238	S	S	36.6	6.1	S	S	47.2

Private truck

Shipment Weight	Value		Tons		Ton-miles²		Average miles per shipment	Value		Tons		Ton-miles		Average miles per shipment CV
Shipment Weight	2007 (million $)	Percent of total	2007 (thousands)	Percent of total	2007 (millions)	Percent of total	Average miles per shipment	CV³	Standard Error of %	CV	Standard Error of %	CV	Standard Error of %	Average miles per shipment CV
Total	25,562	100	41,052	100	1,630	100	192	9.8	-	35.6	-	9.6	-	19.9
Less than 50 lbs	2,819	11.0	63	0.2	10	0.6	274	34.4	3.0	24.0	0.1	41.7	0.4	22.3
50 - 99 lbs	565	2.2	44	0.1	3	0.2	62	24.6	0.5	26.7	-	25.0	0.1	28.0
100 - 499 lbs	2,195	8.6	352	0.9	20	1.2	52	21.0	1.3	25.3	0.4	13.9	0.2	26.7
500 - 749 lbs	1,263	4.9	182	0.4	14	0.9	77	30.5	1.1	11.6	0.2	13.8	0.1	19.6
750 - 999 lbs	784	3.1	181	0.4	14	0.8	77	36.9	1.0	22.2	0.4	23.9	0.2	45.4
1,000 - 9,999 lbs	6,384	25.0	2,821	6.9	273	16.8	88	10.9	3.2	17.4	3.8	32.3	4.8	15.1
10,000 - 49,999 lbs	10,490	41.0	33,484	81.6	1,206	74.0	46	11.0	2.8	44.3	6.6	13.9	5.2	29.5
50,000 - 99,999 lbs	1,030	4.0	3,304	8.0	74	4.5	22	38.9	1.8	18.8	2.7	15.3	0.9	25.4
More than 100,000 lbs	S	S	621	1.5	S	S	S	S	S	50.0	2.2	S	S	S

Rail

Shipment Weight	Value		Tons		Ton-miles²		Average miles per shipment	Value		Tons		Ton-miles		Average miles per shipment CV
Shipment Weight	2007 (million $)	Percent of total	2007 (thousands)	Percent of total	2007 (millions)	Percent of total	Average miles per shipment	CV³	Standard Error of %	CV	Standard Error of %	CV	Standard Error of %	Average miles per shipment CV
Total	4,511	100	4,170	100	2,313	100	962	42.3	-	33.5	-	31.7	-	13.3
Less than 50 lbs	-	-	-	-	-	-	-	-	-	-	-	-	-	-
50 - 99 lbs	-	-	-	-	-	-	-	-	-	-	-	-	-	-
100 - 499 lbs	-	-	-	-	-	-	-	-	-	-	-	-	-	-
500 - 749 lbs	-	-	-	-	-	-	-	-	-	-	-	-	-	-
750 - 999 lbs	-	-	-	-	-	-	-	-	-	-	-	-	-	-
1,000 - 9,999 lbs	S	S	S	S	S	S	S	S	S	S	S	S	S	S
10,000 - 49,999 lbs	2,240	49.7	260	6.2	340	14.7	1,396	42.1	11.8	43.6	2.9	43.1	6.1	18.8
50,000 - 99,999 lbs	1,027	22.8	111	2.7	146	6.3	1,331	42.5	3.0	29.8	1.8	29.4	2.6	28.0
More than 100,000 lbs	S	S	3,798	91.1	1,827	79.0	438	S	S	34.6	3.1	35.3	7.0	13.1

Air (incl truck and air)

Shipment Weight	Value		Tons		Ton-miles²		Average miles per shipment	Value		Tons		Ton-miles		Average miles per shipment CV
Shipment Weight	2007 (million $)	Percent of total	2007 (thousands)	Percent of total	2007 (millions)	Percent of total	Average miles per shipment	CV³	Standard Error of %	CV	Standard Error of %	CV	Standard Error of %	Average miles per shipment CV
Total	268	100	S	S	S	S	1,428	26.4	-	S	S	S	S	11.6
Less than 50 lbs	89	33.4	1	0.9	1	1.7	1,484	34.0	9.9	35.5	10.0	40.0	9.6	14.6
50 - 99 lbs	S	S	-	0.4	S	S	1,108	S	S	40.7	5.6	S	S	10.5
100 - 499 lbs	48	18.1	S	S	2	2.5	908	47.4	8.7	S	S	38.8	12.1	21.1
500 - 749 lbs	S	S	S	S	S	S	1,517	S	S	S	S	S	S	19.9
750 - 999 lbs	S	S	-	0.4	-	0.7	1,057	S	S	27.4	18.8	38.7	16.0	41.7
1,000 - 9,999 lbs	S	S	2	2.1	2	2.6	832	S	S	20.5	18.8	26.5	18.0	16.6
10,000 - 49,999 lbs	S	S	S	S	S	S	320	S	S	S	S	S	S	38.4
50,000 - 99,999 lbs	-	-	-	-	-	-	-	-	-	-	-	-	-	-
More than 100,000 lbs	S	S	S	S	S	S	S	S	S	S	S	S	S	S

Pipeline⁵

Shipment Weight	Value		Tons		Ton-miles²		Average miles per shipment	Value		Tons		Ton-miles		Average miles per shipment CV
Shipment Weight	2007 (million $)	Percent of total	2007 (thousands)	Percent of total	2007 (millions)	Percent of total	Average miles per shipment	CV³	Standard Error of %	CV	Standard Error of %	CV	Standard Error of %	Average miles per shipment CV
Total	2,138	100	3,961	100	S	S	S	41.9	-	42.8	-	S	S	S
Less than 50 lbs	-	-	-	-	-	-	-	-	-	-	-	-	-	-
50 - 99 lbs	-	-	-	-	-	-	-	-	-	-	-	-	-	-
100 - 499 lbs	-	-	-	-	-	-	-	-	-	-	-	-	-	-
500 - 749 lbs	S	S	S	S	S	S	S	S	S	S	S	S	S	S
750 - 999 lbs	S	S	S	S	S	S	S	S	S	S	S	S	S	S
1,000 - 9,999 lbs	S	S	S	S	S	S	S	S	S	S	S	S	S	S
10,000 - 49,999 lbs	S	S	S	S	S	S	S	S	S	S	S	S	S	S
50,000 - 99,999 lbs	1,570	73.5	2,964	74.8	S	S	S	5.5	16.8	5.6	15.8	S	S	S
More than 100,000 lbs	-	-	-	-	-	-	-	-	-	-	-	-	-	-

Multiple modes

Shipment Weight	Value		Tons		Ton-miles²		Average miles per shipment	Value		Tons		Ton-miles		Average miles per shipment CV
Shipment Weight	2007 (million $)	Percent of total	2007 (thousands)	Percent of total	2007 (millions)	Percent of total	Average miles per shipment	CV³	Standard Error of %	CV	Standard Error of %	CV	Standard Error of %	Average miles per shipment CV
Total	31,743	100	1,147	100	1,795	100	868	18.6	-	19.7	-	27.5	-	8.2
Less than 50 lbs	25,298	79.7	205	17.8	180	10.0	871	23.9	5.3	13.7	5.6	14.7	5.8	8.3
50 - 99 lbs	S	S	24	2.1	18	1.0	729	S	S	12.4	0.9	22.9	0.9	11.8
100 - 499 lbs	2,224	7.0	48	4.2	32	1.8	650	34.4	2.0	9.6	1.3	15.0	1.4	11.1
500 - 749 lbs	S	S	8	0.7	6	0.3	749	S	S	26.1	0.5	40.2	1.3	18.1
750 - 999 lbs	S	S	3	0.3	1	0.1	S	S	S	24.1	0.2	32.6	0.1	S
1,000 - 9,999 lbs	29	0.1	S	S	6	0.3	S	49.3	0.2	S	S	38.3	0.7	S
10,000 - 49,999 lbs	1,430	4.5	525	45.7	1,043	58.1	1,896	36.1	1.6	37.1	8.2	46.1	10.1	11.8
50,000 - 99,999 lbs	432	1.4	55	4.8	119	6.6	S	48.6	1.5	32.9	3.9	29.3	7.5	S
More than 100,000 lbs	S	S	270	23.6	S	S	1,185	S	S	31.3	8.3	S	S	20.8

Parcel, U.S.P.S. or courier

Shipment Weight	Value		Tons		Ton-miles²		Average miles per shipment	Value		Tons		Ton-miles		Average miles per shipment CV
Shipment Weight	2007 (million $)	Percent of total	2007 (thousands)	Percent of total	2007 (millions)	Percent of total	Average miles per shipment	CV³	Standard Error of %	CV	Standard Error of %	CV	Standard Error of %	Average miles per shipment CV
Total	29,382	100	286	100	236	100	868	20.3	-	8.5	-	11.7	-	8.2
Less than 50 lbs	25,298	86.1	205	71.6	180	76.4	871	23.9	4.7	13.7	3.8	14.7	3.8	8.3
50 - 99 lbs	S	S	24	8.5	18	7.6	730	S	S	11.8	1.0	23.0	1.3	11.8
100 - 499 lbs	2,219	7.6	47	16.6	31	13.3	656	34.5	2.5	9.9	2.7	15.2	2.0	11.0
500 - 749 lbs	S	S	7	2.5	5	2.3	767	S	S	29.5	0.9	46.3	1.6	17.7
750 - 999 lbs	S	S	S	S	1	0.5	S	S	S	S	S	41.8	0.5	S
1,000 - 9,999 lbs	-	-	-	-	-	-	-	-	-	-	-	-	-	-
10,000 - 49,999 lbs	-	-	-	-	-	-	-	-	-	-	-	-	-	-
50,000 - 99,999 lbs	-	-	-	-	-	-	-	-	-	-	-	-	-	-
More than 100,000 lbs	-	-	-	-	-	-	-	-	-	-	-	-	-	-

Truck and rail

Shipment Weight	Value		Tons		Ton-miles²		Average miles per shipment	Value		Tons		Ton-miles		Average miles per shipment CV
Shipment Weight	2007 (million $)	Percent of total	2007 (thousands)	Percent of total	2007 (millions)	Percent of total	Average miles per shipment	CV³	Standard Error of %	CV	Standard Error of %	CV	Standard Error of %	Average miles per shipment CV
Total	2,337	100	851	100	1,509	100	1,253	36.9	-	26.0	-	31.4	-	14.7
Less than 50 lbs	S	S	S	S	S	S	S	S	S	S	S	S	S	S
50 - 99 lbs	1	-	-	-	-	-	516	47.9	0.2	19.4	-	6.6	-	20.6
100 - 499 lbs	3	0.1	1	0.1	S	S	S	37.5	0.5	43.0	0.1	S	S	S
500 - 749 lbs	S	S	1	0.1	-	-	504	S	S	30.2	0.1	31.0	-	3.7
750 - 999 lbs	S	S	S	S	-	-	253	S	S	S	S	37.9	-	20.9
1,000 - 9,999 lbs	17	0.7	S	S	5	0.3	S	44.2	4.6	S	S	43.2	4.2	S
10,000 - 49,999 lbs	1,421	60.8	518	60.8	1,023	67.8	1,885	36.5	8.9	37.6	11.0	46.7	10.7	11.9
50,000 - 99,999 lbs	431	18.5	51	6.0	90	6.0	1,698	45.4	8.7	33.5	7.2	37.4	13.0	28.1
More than 100,000 lbs	S	S	270	31.8	S	S	1,185	S	S	31.3	13.8	S	S	20.8

Truck and water

Shipment Weight	Value		Tons		Ton-miles²		Average miles per shipment	Value		Tons		Ton-miles		Average miles per shipment CV
Shipment Weight	2007 (million $)	Percent of total	2007 (thousands)	Percent of total	2007 (millions)	Percent of total	Average miles per shipment	CV³	Standard Error of %	CV	Standard Error of %	CV	Standard Error of %	Average miles per shipment CV
Total	4	100	S	S	S	S	1,168	2.9	-	S	S	S	S	30.2
Less than 50 lbs	S	S	S	S	S	S	S	S	S	S	S	S	S	S
50 - 99 lbs	-	-	-	-	-	-	-	-	-	-	-	-	-	-
100 - 499 lbs	S	S	S	S	S	S	S	S	S	S	S	S	S	S
500 - 749 lbs	-	-	-	-	-	-	-	-	-	-	-	-	-	-
750 - 999 lbs	-	-	-	-	-	-	-	-	-	-	-	-	-	-
1,000 - 9,999 lbs	S	S	S	S	S	S	S	S	S	S	S	S	S	S
10,000 - 49,999 lbs	S	S	S	S	S	S	S	S	S	S	S	S	S	S
50,000 - 99,999 lbs	-	-	-	-	-	-	-	-	-	-	-	-	-	-
More than 100,000 lbs	-	-	-	-	-	-	-	-	-	-	-	-	-	-

Rail and water

Shipment Weight	Value		Tons		Ton-miles²		Average miles per shipment	Value		Tons		Ton-miles		Average miles per shipment CV
Shipment Weight	2007 (million $)	Percent of total	2007 (thousands)	Percent of total	2007 (millions)	Percent of total	Average miles per shipment	CV³	Standard Error of %	CV	Standard Error of %	CV	Standard Error of %	Average miles per shipment CV
Total	S	S	S	S	S	S	S	S	S	S	S	S	S	S
Less than 50 lbs	-	-	-	-	-	-	-	-	-	-	-	-	-	-
50 - 99 lbs	-	-	-	-	-	-	-	-	-	-	-	-	-	-
100 - 499 lbs	-	-	-	-	-	-	-	-	-	-	-	-	-	-
500 - 749 lbs	-	-	-	-	-	-	-	-	-	-	-	-	-	-
750 - 999 lbs	-	-	-	-	-	-	-	-	-	-	-	-	-	-
1,000 - 9,999 lbs	S	S	S	S	S	S	S	S	S	S	S	S	S	S
10,000 - 49,999 lbs	-	-	-	-	-	-	-	-	-	-	-	-	-	-
50,000 - 99,999 lbs	-	-	-	-	-	-	-	-	-	-	-	-	-	-
More than 100,000 lbs	-	-	-	-	-	-	-	-	-	-	-	-	-	-

Other multiple modes

Shipment Weight	Value		Tons		Ton-miles²		Average miles per shipment	Value		Tons		Ton-miles		Average miles per shipment CV
Shipment Weight	2007 (million $)	Percent of total	2007 (thousands)	Percent of total	2007 (millions)	Percent of total	Average miles per shipment	CV³	Standard Error of %	CV	Standard Error of %	CV	Standard Error of %	Average miles per shipment CV
Total	17	100	10	100	S	S	S	37.6	-	48.9	-	S	S	S
Less than 50 lbs	-	-	-	-	-	-	-	-	-	-	-	-	-	-
50 - 99 lbs	-	-	-	-	-	-	-	-	-	-	-	-	-	-
100 - 499 lbs	S	S	S	S	S	S	S	S	S	S	S	S	S	S
500 - 749 lbs	-	-	-	-	-	-	-	-	-	-	-	-	-	-
750 - 999 lbs	-	-	-	-	-	-	-	-	-	-	-	-	-	-
1,000 - 9,999 lbs	S	S	S	S	S	S	S	S	S	S	S	S	S	S
10,000 - 49,999 lbs	S	S	S	S	S	S	S	S	S	S	S	S	S	S
50,000 - 99,999 lbs	S	S	S	S	S	S	S	S	S	S	S	S	S	S
More than 100,000 lbs	-	-	-	-	-	-	-	-	-	-	-	-	-	-

Other and unknown modes

Shipment Weight	Value		Tons		Ton-miles²		Average miles per shipment	Value		Tons		Ton-miles		Average miles per shipment CV
Shipment Weight	2007 (million $)	Percent of total	2007 (thousands)	Percent of total	2007 (millions)	Percent of total	Average miles per shipment	CV³	Standard Error of %	CV	Standard Error of %	CV	Standard Error of %	Average miles per shipment CV
Total	1,168	100	190	100	S	S	S	35.5	-	46.3	-	S	S	S
Less than 50 lbs	176	15.1	4	2.2	-	0.2	S	46.2	5.5	40.7	2.2	33.9	0.8	S
50 - 99 lbs	27	2.3	2	1.2	-	0.2	S	34.9	1.8	37.4	1.1	48.1	1.8	S
100 - 499 lbs	122	10.4	14	7.3	S	S	S	41.6	3.9	47.5	4.3	S	S	S
500 - 749 lbs	8	0.7	S	S	S	S	S	30.3	3.8	S	S	S	S	S
750 - 999 lbs	S	S	-	0.2	S	S	S	S	S	37.5	9.5	S	S	S
1,000 - 9,999 lbs	S	S	S	S	15	34.0	S	S	S	S	S	48.1	9.9	S
10,000 - 49,999 lbs	S	S	S	S	S	S	432	S	S	S	S	S	S	23.9
50,000 - 99,999 lbs	-	-	-	-	-	-	-	-	-	-	-	-	-	-
More than 100,000 lbs	-	-	-	-	-	-	-	-	-	-	-	-	-	-

KEY: S = Estimate does not meet publication standards because of high sampling variability or poor response quality. - = Zero or Less than half the unit shown; thus, it has been rounded to zero.

¹ Commodity Flow Survey (CFS) geographic areas were drawn from a subset of Combined Statistical Areas (CSAs) and Metropolitan Statistical Areas (MeSAs) as defined by the Office of Management and Budget (OMB). However, CFS metropolitan areas are divided into their state parts when they include more than one state. In addition, the CFS also utilizes a unique geography referred to as, "remainder of state," to represent those areas of a state not contained within a separately published metropolitan area for the CFS (as opposed to not part of any Core-Based Statistical Area (CBSA) as defined by OMB). Because of the differences in the CFS geography, as compared to OMB defined geography, caution should be exercised when comparing CFS estimates to other estimates of similar geography.
² Ton-miles estimates are based on estimated distances traveled along a modeled transportation network.
³ Coefficient of Variation.
⁴ ""Truck"" as a single mode includes any shipment that was made by private truck only, by for-hire truck only, or by a combination of private and for-hire truck.
⁵ Estimates for pipeline exclude shipments of crude petroleum.

NOTES: Value-of-shipment estimates are reported in current prices. Estimated measures of sampling variability for each estimate known as coefficients of variation (CV) are also provided in these tables. More information on sampling error, confidentiality protection, nonsampling error, sample design, and definitions may be found at http://www.bts.gov/publications/commodity_flow_survey/
Rows are not shown if all cells for that particular mode have no data. For example, since Denver-Aurora-Boulder by "Water" has no data for any shipment weight group, the entire mode of "Water" for that area was removed from this table. However, if a mode has at least one row of data for one of the shipment weight groups, then the entire mode is shown even though there may be rows absent of data within that mode. For example, Denver-Aurora-Boulder by "Other and unknown modes" has a row absent of data for the shipment size of "More than 100,000 lbs" but does have data for the other shipment weight groups under that mode so it will be shown in its entirety.

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 Economic Census: Transportation Commodity Flow Survey, December 2009.

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Table 4. Shipment Characteristics by Mode of Transportation and Shipment Size for Metropolitan Area of Origin: 2007