ocr: Roads and Tail have been extended since 1949 - to provide a basic national network. The aim now is to modernize and expand the transportation system to support the push for economic growth. Additions to the railroad system - all provinces but Tibet are connected to the system - have been concentrated - in the west. However, the railroads, especially in the east, are still badly congested. The priority is to develop new lines, and to double-track and electrify the main routes from Beijing to Shanghai and Guangzhou, and between Zhejiang and Hunan provinces. In 1992, arail link with Kazakhstan wa ...
