By the end of 2006, the length of expressways opened to traffic is 3439 km, ranking the first in the country.
2
公路建设通车里程达到5万余公里，高速公路增至1300公里。
Highway Construction Traffic mileage was over 50,000 km and mileage of expressway was 1300 km.
3
公路通车里程将有大幅度的增加，等级有所提高，将建成以高速公路为主的国道干线网。
The highway is open to traffic the mileage and wills have the significant increment, the grade has the exaltation, will set up at a high speed the highway is the main National Freeway trunk line net .
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