This article contends that the Transport Corridor Europe-Caucasus-Asia (TRACECA) is European Union’s (EU) most visionary trans-regional connectivity project. It theorizes the EU-TRACECA relationship to show that the TRACECA represents different regional integration concepts, and that the EU scripted it invariably for the mutual benefits of its partner states. Conceptually optimistic, the article, nonetheless, discovers certain inextricable complications in the TRACECA’s real working for varying economic profiles of and mutual conflicts among its member countries.