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一、北京市城市交通发展概况北京市机动车保有量增长速度惊人，1988年机动车保有量约43万辆，到1998年底已发展到近140万辆，十年间增长约100万辆，平均年增13%。如图1。在现有车辆构成中，客车与轿年约占总量的65％，其增长率大于机动车总增长率。公共电汽车、十5400辆，其中
I. Overview of Urban Transport Development in Beijing Urban motor vehicle ownership in Beijing increased at a staggering rate. In 1988, the number of motor vehicles was about 430,000. By the end of 1998, it had grown to nearly 1.4 million. The average annual growth of motor vehicles in the decade was about 1 million vehicles. By 13%. Figure 1. In the existing vehicle structure, buses and sedan accounts for about 65% of the total, its growth rate is greater than the total growth rate of motor vehicles. Public electric car, ten 5400, of which