TABLE 2-3-4 - Travel Time Index by Metro Area: 1982 to 2005
TABLE 2-3-4 - Travel Time Index by Metro Area: 1982 to 2005Excel | CSV
The Travel Time Index (TTI) is the ratio of peak period travel time to free-flow travel time. It expresses the average amount of extra time it takes to travel in the peak period relative to free-flow...