Index Of Rush Hour May 2026

The standard formula looks like this: An index of 1.0 means no delay at all. An index of 1.5 means your commute takes 50% longer than usual. An index of 2.0 or higher—common in megacities like Mumbai, São Paulo, or Los Angeles—means your journey takes twice as long as it should.

| City | Index of Rush Hour | Extra Hours Lost Per Year (Driver) | | :--- | :--- | :--- | | | 2.26 | 156 hours | | Chicago, USA | 2.15 | 104 hours | | Paris, France | 2.09 | 138 hours | | Boston, USA | 2.06 | 87 hours | | Istanbul, Turkey | 2.00 | 115 hours | index of rush hour

In the modern urban jungle, time is the ultimate currency—and nothing devalues it faster than sitting bumper-to-bumper on a freeway. For years, commuters have relied on vague terms like "heavy traffic" or "peak time." However, data scientists, urban planners, and logistics experts have developed a more precise, powerful metric: The Index of Rush Hour . The standard formula looks like this: An index of 1