Travel Time Analysis

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2007 Travel Time - Seattle to Bellevue via I-90 Evening Commute

Current Traffic Conditions:
  Current Seattle Area Travel Times 
"Calculate Your Commute"
95% Reliable Travel Times 
Puget Sound Traffic Flow Map 
Live Traffic Cameras 

 Congestion Relief Projects Underway Congestion Relief Projects Completed 
  • I-405 South Bellevue Widening
  • I-90 Two Way Transit and HOV Operations
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  • I-405 Access Downtown Project Map 

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    Historic Traffic Conditions:
     
    The graph above displays the percentage of days on this particular route when traffic speeds fell below 35 MPH for the individual commute period (Morning and Evening). The darker line shows the trend for 2006, the lighter line shows the trend for 2004.
    The graph above displays the percentage of througphut capacity lost in a specific location on this commute. The lost throughput capacity is based on the individual calculation of the maximum number of vehicles per lane, per hour that can travel through at this point (indicated in paraenthesis below the graph title).The darker line shows the trend for 2006, the lighter line shows the trend for 2004.
    The location above has a traffic camera with a live image available online.

     Travel Time Analysis (Comparing 2004 to 2006) Bellevue to Seattle AM  Seattle to Bellevue PM
    Route I-5/I-90/I-405 I-5/I-90/I-405
    Peak time 8:05 AM 5:35 PM
    Length 10.7 10.1
    Travel time at peak efficiency (in minutes) 13 12
    Travel time at posted speeds (in minutes) 11 10
    Average Peak Travel Time (Based on Peak Time) 2004 14 19
    Average Peak Travel Time (Based on Peak Time) 2006 16 21
    Change (∆) 14% 11%
    95% Reliable Travel Time 2004 22 30
    95% Reliable Travel Time 2006 27 32
    Change (∆) % 23% 7%
    Ratio of Peak Travel Time to Maximum Throughput Travel Time (MT³I) 2004 1.12 1.60
    Ratio of Peak Travel Time to Maximum Throughput Travel Time (MT³I) 2006  1.28 1.77
    Change (∆)% -2% 0%
    Duration of Congestion 2004 (in hours: minutes) N/A 2:30
    Duration of Congestion 2006 (in hours: minutes) 0:10 2:45
    Change(∆) 0:10 0:15

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