“TRIPP will also create opportunities for Iran…in effect, TRIPP creates a new rail connection linking the Persian Gulf and the Black Sea,” Armenian Foreign Minister Ararat Mirzoyan insisted to journalists in late May, referring to the “Trump Route for International Peace and Prosperity.” His remarks were not merely descriptive but strategic, implicitly tying the US-backed transit project to Armenia’s own “Crossroads of Peace” initiative. The latter vision seeks to transform the South Caucasus from a landlocked zone of frozen conflicts into a vibrant logistical hub, integrating the railway systems of Armenia, Azerbaijan, Georgia, and crucially, Iran.
The diplomatic choreography surrounding Mirzoyan’s comments was highly significant. They followed immediately after his meeting in Yerevan with US Secretary of State Marco Rubio, where the two chief diplomats signed a comprehensive strategic partnership agreement. This pact was accompanied by a framework agreement on critical minerals and the operationalization of TRIPP.
As proposed, TRIPP involves a 43 km (26.7 miles) transit corridor slicing across Armenia’s southernmost Syunik province. For Azerbaijan, the corridor is a crown jewel of the settlement following its 2020 war with Armenia, providing a direct, sovereign-lite land link to its Nakhchivan exclave and establishing a contiguous bridge to Turkey. For the United States, it represents a bold attempt to diminish Russian influence over regional transit while anchoring Armenia more firmly in the western orbit.
Armenian Prime Minister Nikol Pashinyan has reinforced this narrative, arguing that the “Crossroads of Peace” would foster regional stability by distributing the dividends of trade among all neighbors. By framing TRIPP as a component of this broader network, Yerevan is attempting to sell a western-led project to a skeptical Tehran by promising that it will eventually facilitate Iran’s own north-south and east-west trade ambitions.
The shift in Armenian rhetoric has been palpable. Since the tripartite agreement between Armenia, Azerbaijan and the United States was signed in Washington in Aug. 2025, Yerevan has noticeably de-emphasized its “Crossroads of Peace” branding in international fora, pivoting instead to TRIPP as the primary vehicle for regional connectivity. This shift has not gone unnoticed in Tehran, where the replacement of a multilateral regional initiative with a US-brokered corridor is viewed with profound apprehension.
Iran’s concerns Over TRIPP
For the Iranian leadership, TRIPP represents a complex strategic dilemma. On the one hand, the formalization of the corridor via international agreement—rather than military conquest—lowers the immediate risk of a full-scale Azerbaijani invasion of southern Armenia, an outcome Tehran has vowed to prevent. On the other hand, TRIPP threatens to bypass Iran’s own transit infrastructure, depriving it of lucrative transit fees and geopolitical leverage. More critically, the project envisions a significant US technical and security presence on Iran’s sensitive northwestern border. Following the Mirzoyan-Rubio summit in late May, Iranian Foreign Ministry spokesperson Esmaeil Baqaei reiterated “serious suspicions” regarding Washington’s ultimate goals, signaling that while Tehran may tolerate the corridor’s existence, it remains fundamentally opposed to an expanded US footprint in the South Caucasus.
The shadow of the Israeli-US war on Iran looms large over these developments. The fighting between late February and April demonstrated that Iran possesses both the resilience to absorb high-tech strikes and the asymmetrical capability to hit back at western interests across the zones where the ‘Axis of Resistance’ has a presence. The drone strike on Nakhchivan’s international airport in the week following the Feb. 28 launch of the war on Iran was a watershed moment. Although Iran denied any involvement, the incident proved that the South Caucasus is no longer a sanctuary from broader escalations in West Asia. Investors in TRIPP must now calculate the risk of their infrastructure becoming a collateral target in any future Iran-US flare-up. Even in the absence of direct kinetic strikes, a volatile security environment could deter the private capital necessary for the corridor’s construction and long-term viability. The current fragile understanding between Tehran and Washington, which remains on life support, is the only thing keeping the project on life support; should it fail, TRIPP could become the first casualty of a resumed US “maximum pressure” campaign against the Islamic Republic.
Reconciling TRIPP with Iran’s interests
Sustainable success for TRIPP likely depends on integrating Iran into the regional architecture rather than isolating it. Tehran has harbored a multi-decade ambition to establish a “Persian Gulf–Black Sea” multimodal corridor. This vision was historically blocked by the collapse of Soviet rail links during the First Nagorno-Karabakh War between 1988 and 1994. Since the 2020 Armenian-Azerbaijani confrontation over the disputed territory, Iran has shifted its strategy: rather than building a prohibitively expensive direct rail line through Armenia’s rugged mountains, it is looking to rehabilitate the existing Iran–Nakhchivan–Armenia–Georgia route. If TRIPP is structured to allow for Iranian usage and connection points, it could transform from a point of friction into a shared economic interest.
Armenia’s renewed diplomatic outreach suggests it is trying to carve out this middle ground. By reviving the “Crossroads of Peace” language alongside TRIPP, Yerevan is attempting to leverage any Iran-US détente to ensure that western-backed connectivity does not trigger an Iranian security response. This requires a delicate balancing act—convincing Washington that the corridor is a tool for western integration while convincing Tehran that it is a platform for regional inclusion.
The economic dimensions of this recalibration are already visible. Yerevan has reportedly awarded roughly 215M USD for infrastructure contracts to Iranian firms for work on the North–South Highway in Syunik. These projects are strategically placed in the very province where TRIPP will operate. In June, Iranian Vice President Seyed Hamid Pourmohammadi attended the inauguration of the Kajaran tunnel, a move that underscored Iran’s determination to remain a physical stakeholder in Armenian transit, regardless of who facilitates the east-west corridors.
Politically, Pashinyan has gone to great lengths to signal that Armenia’s westward tilt has its limits. His recent attendance at the funeral of former supreme leader Ayatollah Ali Khamenei in Tehran was a potent symbolic gesture. It was intended to reassure the Iranian establishment that while Armenia seeks American investment through TRIPP, it will not allow its territory to be used as a platform for hostile intelligence or military activity against its southern neighbor. Neither will this affect Yerevan’s relations with Tehran. This strategy of “strategic balancing” is Armenia’s only path to survival in a region where geography is often destiny.
Ultimately, the fate of TRIPP—and the broader peace between Armenia and Azerbaijan—is inextricably tied to the future of Iran-US relations. If the Islamabad Memorandum of Understanding survives the current turmoil and eventually matures into a durable settlement, Tehran may find it easier to ignore the US presence in Syunik in exchange for trade benefits. However, if the Trump administration returns to a policy of regional confrontation, the South Caucasus will likely be the first place where Tehran attempts to impose costs on Washington. In such a scenario, TRIPP would cease to be a “Route for Peace” and instead become a new fault line in an old conflict. Its success depends not on the quality of its asphalt or the efficiency of its customs, but on the high-stakes diplomacy between two capitals many miles away.
—