| Congestion on State Highways |
| Subject/Topic |
2001 |
2002 |
2003 |
2004 |
2005 |
2006 |
2007 |
2008 |
2009 |
2010 |
2011 |
| Accidents as Non-Recurrent Congestion Conditions |
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03/Q1 |
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10/Q2 |
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| Automated License Plate Recognition Technology |
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06/Q3 |
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08/Q3 |
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| Benchmark Policy Goals for Congestion: Analysis |
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02/Q1 |
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| Case Studies: Before and After Results |
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04/Q3 |
05/Q3 |
06/Q3 |
07/Q3 |
08/Q3 |
09/Q3
09/Q4 |
10/Q2
10/Q3 |
11/Q2 |
| Comparisons of Conditions |
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04/Q3 |
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06/Q3 |
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08/Q3 |
09/Q3 |
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| Congestion Dashboard |
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09/Q3 |
10/Q3 |
11/Q2 |
| Congestion Measurement Principles |
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02/Q1
02/Q2 |
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05/Q3 |
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07/Q3 |
08/Q3 |
09/Q3 |
10/Q3 |
11/Q2 |
| Congestion Monitoring |
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05/Q3 |
06/Q3 |
07/Q3 |
08/Q3 |
09/Q1
09/Q3
09/Q4 |
10/Q3 |
11/Q2 |
| Construction Management and Mitigation |
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09/Q3 |
10/Q2 |
11/Q2 |
| Cost of Delay |
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04/Q3 |
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06/Q3 |
07/Q3 |
08/Q3 |
09/Q3 |
10/Q3 |
11/Q2 |
| Cross Border Traffic Volumes |
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09/Q3 |
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| Distribution of Traffic Between Freeways and Arterials: 1999 to 2003 |
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03/Q1 |
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| Earlier Congestion Measurement Efforts: Daily Vehicle Hours of Delay per Mile, Sample Commutes Measured by Delay, Time of Day, Distribution of Delay, and Travel Rate Index |
01/Q2 |
02/Q1 |
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| Employment in the Puget Sound Region |
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03/Q1 |
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08/Q3 |
09/Q1
09/Q3
09/Q4 |
10/Q2
10/Q3 |
11/Q2
11/Q4 |
| Highway Improvements Have Reduced Congestion |
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03/Q1 |
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08/Q3 |
09/Q3
09/Q4 |
10/Q2 |
11/Q2 |
| HOV Lane Performance: Lane Miles Added |
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09/Q3 |
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11/Q2 |
| HOV Lane Performance: Person Throughput |
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05/Q3 |
06/Q3 |
07/Q3 |
08/Q3 |
09/Q3 |
10/Q3 |
11/Q2 |
| HOV Lane Performance: Travel Time Comparisons by Corridor/Lane Type |
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09/Q3 |
10/Q3 |
11/Q2 |
| Induction Loop Detectors |
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02/Q1 |
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| Intelligent Transportation Systems in Washington State |
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02/Q1 |
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06/Q2 |
07/Q3 |
08/Q3 |
09/Q3 |
10/Q3 |
11/Q2 |
| Lost Throughput Efficiency |
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05/Q3 |
06/Q3 |
07/Q3 |
08/Q3 |
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10/Q3 |
11/Q2 |
| Measuring Delay: By Route |
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05/Q3 |
06/Q3 |
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08/Q3 |
09/Q3 |
10/Q3 |
11/Q2 |
| Measuring Delay: Distribution of Statewide Delay |
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09/Q3 |
10/Q3 |
11/Q2 |
| Peak Travel Times |
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04/Q3 |
05/Q3 |
06/Q3 |
07/Q3 |
08/Q3 |
09/Q1
09/Q3 |
10/Q3 |
11/Q2 |
| Percentage of Weekdays with Average Speeds 35 MPH or Below (Severe Congestion) |
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07/Q3 |
08/Q3 |
09/Q3 |
10/Q3 |
11/Q2 |
| Recurrent and Non-Recurrent Congestion |
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05/Q3 |
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08/Q3 |
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11/Q2 |
| Six Month Congestion Analysis Reports |
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08/Q3 |
09/Q1
09/Q2
09/Q4 |
10/Q2
10/Q4 |
11/Q2
11/Q4 |
| Sources of Congestion |
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04/Q3 |
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06/Q3 |
07/Q3 |
08/Q3 |
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10/Q3 |
11/Q2 |
| Texas Transportation Institute (TTI) Annual Urban Mobility Report Rankings |
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07/Q3 |
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09/Q3 |
10/Q3 |
11/Q2 |
| Tolling |
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Effects on Congestion |
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09/Q3 |
10/Q3 |
11/Q2
11/Q4 |
High Occupancy Tolling (HOT) |
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09/Q3 |
10/Q3 |
11/Q2 |
Travel Times for Electronic (Good to Go!) lanes |
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09/Q3 |
10/Q3 |
11/Q2 |
Volume of Users: Electronic (Good to Go!) and Manual |
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09/Q3 |
10/Q3 |
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| Traffic Volumes at Selected Locations |
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02/Q1 |
03/Q1 |
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08/Q3 |
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| Travel Times |
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Before and After Case Studies: Capacity Additions |
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09/Q3
09/Q4 |
10/Q2
10/Q3 |
11/Q2 |
Before and After Case Studies: System Efficiencies |
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09/Q3 |
10/Q3 |
11/Q2 |
Performance by Corridor |
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02/Q1 |
03/Q1 |
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05/Q3 |
06/Q3 |
07/Q3 |
08/Q3 |
09/Q1
09/Q2
09/Q3
09/Q4 |
10/Q3 |
11/Q2 |
Reliability by Corridor |
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02/Q2 |
03/Q1 |
04/Q3 |
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07/Q3 |
08/Q3 |
09/Q3 |
10/Q3 |
11/Q2 |
Time to Work Comparison: State and Country Rankings |
|
02/Q1 |
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Times With and Without Incidents |
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02/Q2 |
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| Typical Freeway Traffic Volume Trend: 1993 to 2002 |
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03/Q1 |
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| Vehicle Miles Traveled: By Corridor |
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09/Q3 |
10/Q3 |
11/Q2 |
| Vehicle Miles Traveled: Statewide |
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09/Q3 |
10/Q3 |
11/Q2 |