The United States Department of the Treasury expanded its sanctions campaign against Iran on Thursday, October 1, 2026, targeting the regime’s automotive and rail networks as part of Operation Economic Outcast to cut off remaining industrial revenue streams.
Treasury Secretary Scott Bessent announced the measures, which stretch the reach of U.S. economic pressure from maritime shipping inland to rail and road networks. The action follows a naval blockade that has driven Iranian oil revenues to zero, leaving the government increasingly dependent on domestic industrial sectors to maintain financial solvency.
Targeting Iran Khodro and SAIPA in the Domestic Auto Sector
The Treasury’s designations strike directly at the core of Iran’s automotive and rail conglomerates, which officials say have been co-opted by the regime and the Islamic Revolutionary Guard Corps.
Two primary manufacturers represent more than 90 percent of Iran’s domestic auto market: Iran Khodro Company, known as IKCO, and SAIPA Iranian Automobile Manufacturing Company. IKCO is Iran’s largest automaker and one of the largest automobile manufacturers in the Middle East, while its subsidiary Iran Khodro Diesel operates as the country’s largest manufacturer of buses, trucks, and diesel engines. Together, IKCO and SAIPA produce nearly 1.5 million vehicles annually.
The Treasury department noted that the industry loses over $1 billion annually amid deep corruption and mismanagement.

State Railways and Foreign Suppliers Caught in Sectoral Sanctions
Alongside automotive giants, the new measures sweep up critical rail infrastructure. The sanctions target the state-owned Islamic Republic of Iran Railways, passenger provider Raja Rail Transportation Company, and private freight carrier Rail Cargo Transportation. With maritime routes choked off, these rail and road arteries have become vital for moving commodities like fertilizer, chemicals, and fuel.
The Office of Foreign Assets Control issued two sectoral determinations under Executive Orders 13902 and 13871. These authorizations allow regulators to penalize any individual or entity operating within Iran’s automotive, rail, or metal industries. The sweep also reaches beyond Iranian borders to penalize international suppliers in Indonesia, the United Arab Emirates, and Turkey that feed parts into the Iranian industrial base.
Economic Isolation Risks and Strategic Stakes
The broader campaign, dubbed Economic D-Day by Treasury officials when it was launched on August 24, 2026, aims to dismantle the financial channels Tehran uses to evade restrictions and fund regional activities. Analysts tracking the enforcement warn that shifting the pressure from maritime routes to land transport carries profound human costs.
Brett Erickson, managing director and sanctions expert at Obsidian Risk Management, noted the accelerating squeeze on the country’s logistical corridors. Tightened blockades have choked Iran by sea, sanctions increasingly isolate it by air, and Washington is now restricting its economic lifelines on land, Erickson observed, adding that you cannot choke an economy like that without choking the livelihoods of the people who depend on it.

Under the regulatory enforcement framework, all property and interests belonging to the designated entities within U.S. jurisdiction are frozen. Any firm owned 50 percent or more by blocked parties faces immediate sanctions, cutting them off from the U.S. financial system and barring American persons from conducting transactions with them.