Freeway Management and Operations Handbook

Description of Figure 4-3: Travel Times (by time of day) for a Specific Route

This graph shows the estimated average travel time on the left vertical axis, ranging from 0 to 60 minutes. Trip start time is shown on the horizontal axis, ranging from 12 AM to 12 AM of the next day. Congestion frequency as speed less than 35 mph is shown on the right vertical axis, ranging from 0% to 100%.

Average general purpose travel time is shown as a curving green line, 90th percentile general purpose travel time as a curving red line, and blue fill as frequency of congestion. The specific route being graphed, Tukwila to Bellevue, is shown on an inset map. The graph shows the highest congestion (90%), average travel time (40 minutes), and 90th percentile travel time at 8 AM.

	Skip to content

Freeway Management and Operations Handbook
Back to Chapter 4 Page 2 Description of Figure 4-3: Travel Times (by time of day) for a Specific Route This graph shows the estimated average travel time on the left vertical axis, ranging from 0 to 60 minutes. Trip start time is shown on the horizontal axis, ranging from 12 AM to 12 AM of the next day. Congestion frequency as speed less than 35 mph is shown on the right vertical axis, ranging from 0% to 100%. Average general purpose travel time is shown as a curving green line, 90th percentile general purpose travel time as a curving red line, and blue fill as frequency of congestion. The specific route being graphed, Tukwila to Bellevue, is shown on an inset map. The graph shows the highest congestion (90%), average travel time (40 minutes), and 90th percentile travel time at 8 AM.
	US DOT Home \| FHWA Home \| Operations Home \| TMC Pooled-Fund Study \| Privacy Policy