Published: March 23, 2026

Before the war, approximately 100 tankers transited the Strait of Hormuz every day. In the first three weeks of the conflict, 21 made the crossing. The IRGC confirmed the closure on March 2. Iran attacked 21 merchant vessels by March 12. Maersk, MSC, CMA CGM, and Hapag-Lloyd — the four largest container shipping companies in the world — all suspended operations through the strait. Over 150 tankers anchored outside rather than attempt passage.

The Strait of Hormuz carries roughly 20 percent of the world's daily oil supply and 20 percent of global LNG. Its effective closure has been described as the largest disruption to energy supply since the 1970s crisis. Brent crude crossed $100 per barrel on March 8 for the first time in four years and peaked at $126. The Dallas Federal Reserve modeled the disruption as removing close to 20 percent of global oil supplies from the market.

That is one chokepoint. There are three. On February 28, Houthi forces resumed attacks on commercial vessels in the Red Sea, reversing fragile gains from the October 2025 ceasefire. Maersk simultaneously paused trans-Suez sailings through the Bab el-Mandeb Strait. The Red Sea route to Europe, already operating at 49 percent of pre-crisis capacity from two years of Houthi disruption, closed again.

Hormuz, Bab el-Mandeb, and by extension the Suez Canal — the three maritime corridors that made the Middle East the indispensable crossroads of global energy trade — are simultaneously compromised for the first time in modern history. The question this raises is not how to reopen them. It is what happens to the infrastructure when the world builds around it.

The answer is already being built. Within hours of the first strikes, Saudi Aramco began rerouting crude through the East-West Pipeline — a 1,200-kilometer system connecting the Abqaiq oil fields on the Gulf coast to the port of Yanbu on the Red Sea. The pipeline was constructed in 1981 during the Iran-Iraq War for exactly this contingency. It waited 45 years to be used at scale. Aramco CEO Amin Nasser confirmed the system would hit its full capacity of 7 million barrels per day within days of activation.

Yanbu loadings averaged 2.2 million barrels per day in the first nine days of March — double the February rate. Ship-tracking data showed a 330 percent surge from pre-war levels. A flotilla of tankers massed at Yanbu, with 37 to 40 expected to load in March. Chinese VLCCs were among the first to reroute, with at least one departing Yanbu for Quanzhou on a 22-day voyage that bypasses Hormuz entirely.

The UAE activated its parallel route — the Abu Dhabi Crude Oil Pipeline, running to the port of Fujairah on the Arabian Sea outside the strait. Kpler estimated ADCOP was operating at 71 percent utilization with approximately 440,000 barrels per day of spare capacity.

These are not temporary workarounds. These are infrastructure systems being stress-tested at wartime scale for the first time, and the market is watching what works. The IEA warned that bypass routes have never been tested at sustained high volume. The core constraint is arithmetic: Yanbu's two terminals have a combined nominal capacity of about 4.5 million barrels per day, against the 20 million that normally transit Hormuz. Even at full capacity, the pipeline system leaves a gap the size of a separate energy crisis.

But the gap is not the structural story. The structural story is what happens on the other side of it. Every day the bypass routes operate is a day the market learns to function without Hormuz at full capacity. Every tanker that loads at Yanbu instead of Ras Tanura is a data point in a new routing calculus. Every insurance premium that prices Hormuz transit at four to five times the pre-war rate is a signal that the chokepoint's commercial credibility has been permanently degraded.

The Yanbu bypass itself faces the same structural vulnerability it was built to escape. Oil leaving the Red Sea for Asia must pass through the Bab el-Mandeb — the second compromised chokepoint, where Houthi forces have explicitly warned they will respond to any escalation against Iran. Greg Priddy, senior fellow at the Center for the National Interest, identified the bind: "All that infrastructure is still exposed to drones, and the oil leaving Yanbu going to Asia has to pass through the Bab el-Mandeb." Approximately 70 to 75 percent of Yanbu's exports are loaded onto VLCCs too large for the Suez Canal, meaning they must transit southward through exactly the corridor the Houthis control.

The result is a closed loop. Oil bypasses Hormuz via pipeline. It loads at Yanbu. It sails south into a second compromised corridor. The bypass does not escape the chokepoint geography. It redistributes the risk from one gate to another, and in doing so demonstrates that the entire regional transit architecture — Hormuz, Bab el-Mandeb, Suez — is a single system. When one closes, the alternatives run through the others. When all three are compromised, the system itself is what fails.

The market response to that failure is not patience. It is rerouting around the Cape of Good Hope, adding 10 to 14 days to Asian deliveries. It is China drawing down 851 million barrels of pre-positioned reserves instead of waiting for the strait to reopen. It is pipeline infrastructure being tested at capacities their builders never expected to sustain. Each of these responses, repeated daily for weeks, builds permanent muscle memory in global logistics — routes, contracts, insurance models, port relationships — that does not disappear when the shooting stops.

The Middle East's geographic leverage over global energy has always rested on one fact: there was no alternative to the chokepoints. The war is not just providing cover for geopolitical repositioning. The war is the mechanism that is testing, at industrial scale, whether that fact is still true.

The pipelines are answering.

The Convergence Report. All claims in this piece are sourced, dated, and verifiable via the linked primary sources.