Annual mileage totals Transmission

Year	No. of Records	Onshore	Offshore	Total Transmission	Onshore	Offshore	Total Gathering	Total Pipe
		Transmission			Gathering
1984	885	277,601	7,353	284,954	33,290	3,671	36,961	321,915
1985	952	282,745	7,719	290,464	33,729	1,740	35,469	325,933
1986	1,008	280,667	9,291	289,958	29,737	1,958	31,695	321,653
1987	963	284,235	7,622	291,857	29,654	2,477	32,131	323,988
1988	1,019	280,252	7,908	288,160	28,941	3,101	32,042	320,202
1989	1,033	279,728	8,198	287,926	29,597	2,547	32,144	320,070
1990	1,105	283,880	8,110	291,990	29,266	3,154	32,420	324,410
1991	1,211	285,295	8,567	293,862	29,009	3,704	32,713	326,575
1992	1,183	283,071	8,397	291,468	28,909	3,720	32,629	324,097
1993	1,131	285,043	8,220	293,263	28,431	3,625	32,056	325,319
1994	1,230	293,438	8,107	301,545	27,404	3,912	31,316	332,861
1995	1,268	288,846	8,101	296,947	26,669	4,262	30,931	327,878
1996	1,248	285,338	6,848	292,186	24,856	4,761	29,617	321,803
1997	1,354	287,745	6,625	294,370	28,302	6,161	34,463	328,833
1998	1,167	295,606	7,108	302,714	23,492	5,673	29,165	331,879
1999	1,179	290,097	6,017	296,114	26,360	5,916	32,276	328,390
2000	1,167	293,716	5,241	298,957	21,879	5,682	27,561	326,518
2001	1,346	284,914	5,542	290,456	17,734	3,880	21,614	312,070
2002	1,466	297,211	6,330	303,541	16,975	5,583	22,558	326,099
2003	1,467	295,548	6,279	301,827	16,427	6,330	22,757	324,584
2004	1,424	296,857	6,238	303,095	17,269	7,383	24,652	327,747
2005	1,478	294,842	5,855	300,697	15,997	7,366	23,363	324,060
2006	1,487	293,651	6,699	300,350	13,063	7,315	20,378	320,728
2007	1,421	293,739	6,215	299,954	12,308	6,979	19,287	319,241

Please note that PHMSA\Office of Pipeline Safety is still checking the data quality of the reports received this year, therefore 2007 data may change as we receive supplementary information from the operators.

Natural Gas Distribution Pipeline Annual Miles

Year	No. of Records	Distribution Main Mileage	Distribution Number of Services	Distribution Estimated Service Mileage
1984	1,538	750,168	41,258,268	454,369
1985	1,610	784,852	44,309,528	498,697
1986	1,562	780,401	45,036,343	472,555
1987	1,542	802,335	45,848,965	512,360
1988	1,590	866,639	48,246,973	504,981
1989	1,558	838,237	47,591,804	544,450
1990	1,504	945,964	48,755,074	566,763
1991	1,569	890,876	52,665,539	589,345
1992	1,545	891,984	50,103,974	594,105
1993	1,570	951,750	52,009,967	590,917
1994	1,586	1,002,669	56,816,569	685,091
1995	1,524	1,003,798	55,518,341	669,746
1996	1,481	992,860	54,644,300	651,869
1997	1,466	1,002,942	54,865,221	640,800
1998	1,458	1,040,765	55,755,294	666,722
1999	1,469	1,035,946	56,538,415	697,563
2000	1,446	1,050,802	57,690,459	675,084
2001	1,441	1,101,485	58,415,306	720,048
2002	1,425	1,136,469	59,907,644	748,879
2003	1,432	1,107,549	60,241,723	758,303
2004	1,495	1,155,810	62,776,232	770,050
2005	1,487	1,159,132	62,848,446	779,571
2006	1,457	1,181,520	64,026,093	774,409
2007	1,419	1,201,171	64,806,275	814,667

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