Method and installation for building a highway

摘要

The present invention relates to build highway. The purpose of the present invention is the mobile device for building highway of extension operational capacity does not reduce traffic intensity under the limited environment in space and the work capacity of highway is built above existing main arterial traffic. Method of the invention is to build the form of highway by viaduct by the way that at least for its part way in existing motor road it is characterized in that using gate-type mobile device, the equipment is preferably self-propelled. The described device of movable leg is arranged in the existing motor road of land allotment.