Are you satisfied with the existing road safety condition of Nathan Road?
Because of no existing road available, high cost for temporary road, and a huge damage to the Surroundings, when constructing highways in desert, step-by-step method was used usually.
312 national highway of Huning section, the paper introduces some measures of pavement overlay of existing road and put forward optimization design solutions and control factors.
Cantilevered trains could be built over existing roads.
Therefore, road construction, reconstruction, and the size of the existing road capacity, the level of all of its operating efficiency has an important impact on the national economy.
Like Hadrian's wall, the Quang Ngai wall was built along a pre-existing road.
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