"西三环"是个多义词，它可以指西三环（北京市西三环）,西三环（郑州市西三环）。
最后，选取北京市西三环紫竹桥-新兴桥区段开展案例应用与分析。
Finally, a case study on the road section from Zizhu Bridge to Xinxing Bridge of the Western 3rd Ring-road Expressway is carried out.
长春桥路—远大路连接着西三环路和西四环路， 是北京海淀区一条重要的交通干道和景观大道。
Changchun Bridge Road & Yuanda Road, connected with West Ring 3 and West Ring 4, is an important traffic artery and sight-seeing avenue of Beijing Haidian District.
基于上述模型的构建，本文以北京市西三环交通走廊为研究对象，开展了动态OD需求估计实例分析。
The proposed models are applied to estimating time-varying OD demands of the Western 3rd Ring-Road corridor network in Beijing.
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