AI Freight Rate Tracker

March 2026, IEEPA tariffs imposed rates as high as 145% on Chinese imports throughout most of 2025 and into 2026, before the Supreme Court struck them down in February 2026 FreightWaves — the description opens with that volatility as the hook. The SCOTUS ruling immediately prompted predictions that import volumes would surge, with freight analysts warning the ports had been silent and that was about to change FreightWaves — that quote is paraphrased as urgency for why shippers need real-time rate monitoring. The effective tariff rate reached 9.8% by end of 2025 — the highest since 1947 Penn Wharton Budget Model — used to establish the stakes. After IEEPA was struck down, the administration imposed a new 10% global tariff under Section 122, with threats to raise it to 15%, scheduled to expire after 150 days Tax Foundation — referenced in the closing to make clear the volatility isn't over.