11-3  主要年份公路运输情况
highway transportation in selected years
年  份	公路通车里程 (公里)	汽车数 (辆)	客运量 (万人)	旅客周转量 (万人公里)	货运量 (万吨)	货物周转量 (万吨公里)
year	length of highwways (km)	number of vehicles (unit)	passenger traffic (10000 persons)	passenger-kilometers (10000 persons-km)	freight traffic (10000 tons)	turnover ton-kilometers (10000 tons-km)
1952	2839	1470	86	7723	39	2742
1957	6034	2118	1254	46975	725	16906
1962	13243	4872	1096	59282	840	21200
1965	14251	6304	2135	80621	1455	33000
1970	18136	7490	2195	85192	1470	39800
1975	24204	17189	4385	157664	1972	64600
1978	29109	26148	6285	205304	2671	82000
1979	32112	30611	8115	251600	2832	91400
1980	32577	35999	14593	385400	5548	228800
1981	32982	39862	17834	464500	6041	245400
1982	33827	44316	20197	537300	6674	286600
1983	34445	46662	22154	589000	7633	317200
1984	35020	50966	26487	725100	8793	360700
1985	35987	63062	31355	913300	10531	445400
1986	37175	74490	31643	960400	13965	609900
1987	38148	83405	32670	1117900	14970	786500
1988	39124	92218	33955	1213000	16775	903700
1989	39124	102413	36439	1196900	16276	895300
1990	41011	110208	36639	1282700	16710	911200
1991	41745	121247	31683	1358067	8924	744328
1992	41882	137272	33668	1424701	15832	931208
1993	43558	166299	37970	1509220	21276	114795
1994	44608	210404	33916	1490778	23147	1351698
1995	46574	200765	37508	1534831	23444	1454057
1996	47196	201210	40474	1772950	24732	1441720
1997	47680	221208	41212	1603709	24562	1391768
1998	48021	248062	39618	1873674	23979	1513719
1999	50202	278218	38884	2011333	22162	1853532
2000	51073	321278	41696	2234403	22924	1758328
2001	53547	366707	44926	2543719	23193	1870346
2002	54155	436254	46570	2648920	24023	1939597
2003	54876	520751	45483	2575470	23884	1935047