Of Rush Hour - Index

This measures reliability. It tells you how much total time you should budget to ensure you arrive on time 95% of the time (or 19 out of 20 days).

The "index of rush hour" can refer to two distinct things: a technical measurement of traffic congestion and road reliability, or a way to browse movie-related files for the Rush Hour film series. 1. Understanding Traffic Congestion Indices index of rush hour

This is the ratio of travel time during rush hour to the time it takes in ideal, uncongested conditions. For example, a TTI of 1.3 means a 20-minute trip takes 26 minutes during rush hour. This measures reliability

According to recent data from the TomTom Traffic Index , several cities consistently top the charts for rush hour delays: Time Lost During Rush Hour (Yearly) Average Congestion Level Bengaluru, IN Dublin, IE Los Angeles, US According to recent data from the TomTom Traffic

In the United States, is frequently cited as having the worst rush hour traffic, with drivers losing an average of 120 hours annually to congestion. 2. "Index of /" Rush Hour Movies

This represents the "cushion" or extra time travelers add to their average travel time to account for unexpected delays. Global Traffic Rankings (2025–2026)

In transportation planning and urban studies, a "rush hour index" measures how much longer a trip takes during peak times compared to free-flowing traffic. Several different indices are used by agencies like the Federal Highway Administration (FHWA) :