Depending on the specifics of the use of the road (country or highway), and operating conditions, projects and estimates for the device of this very road vary. If in some conditions you can save, then during the construction of the highway this cannot be done by a catecorically, since the constant large load and high speed of vehicles leads to increased accident rate, and additional irregularities of the road only worsen. For the construction of the road, either adjacent or alienated soil is used, with the help of which changes in the natural relief are aligned, which ensures the normal cross -country line in any weather conditions.