至2005年底止,全省高速公路通车里程已经达到1403公里,“一纵四横”高速公路主骨架网络已初具规模,对内以省会长沙为中心,可连接11个市级中心城市,对外可辐射东、南、西、北,形成周边流通效应。根据国家高速公路网规划,按照科学发展观的要 By the end of 2005, the mileage of expressways in the whole province had reached 1403 kilometers, and the main backbone network of the expressways has begun to take shape. With the provincial capital of Changsha as the center, it can connect 11 municipal-level central cities , The external radiation east, south, west and north, forming the surrounding circulation effect. According to the national highway network planning, according to the scientific concept of development