The resource-allocation principle, which combines policy and budget, is the basic criterion far public-policy planning of a government in the present era. It can make the policy target, construction project, and budget work together closely. The transportation construction project has a certain degree of relativity under a target: so when selecting projects. a division of levels should he carried out according to the priority of project desirability [19]. Furthermore, the relativity of potential cooperation-competition between projects must he identified to avoid any waste of limited resources, This is the focus point that will he discussed in this paper, Lastly, this research classified the cooperation-competition relation of a construction project into independent project, complementary project, overlapping project, and common complementary overlapping project. This research made a subjective judgment based on relevant domain experts' professional accomplishments, and then identified the experts' consensus.