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Gray Notebook Subject Index: Congestion

The table below lists subjects included in the most recent four years of the Gray Notebook. The full subject index for congestion on state highways can be accessed here (pdf 358 kb).

Congestion on State Highways

Subject/Topic

2009

2010

2011

2012


Before and After Case Studies

09/Q3
09/Q4


10/Q3


11/Q2


12/Q2 

Congestion Dashboard

09/Q3

10/Q3

11/Q2

12/Q2

Congestion Measurement Principles

09/Q3

10/Q3

11/Q2

12/Q2

Congestion Report Executive Summary of Measures
and Results


09/Q3


10/Q3


11/Q2


12/Q2

Construction Management and Mitigation

09/Q3

 

11/Q2

 

Cost of Commute Congestion

 

 

 

12/Q2

Data Collection

09/Q3

10/Q3

11/Q2

12/Q2




Economic Factors that Affect Travel Times

09/Q1
09/Q2
09/Q3
09/Q4


10/Q2
10/Q3
10/Q4



11/Q2
11/Q4




12/Q2


Factors Affecting Recurring and Nonrecurring Congestion


09/Q3


10/Q3

11/Q2
11/Q4


12/Q2 


Fatal Collisions Statewide and in the Puget Sound Area

09/Q1
09/Q3


10/Q3


11/Q2


12/Q2

Freeway HOV and HOT Lane System

09/Q3

10/Q3

11/Q2

12/Q2

High Occupancy Toll (HOT) Lanes

09/Q3

10/Q3

11/Q2

12/Q2

High Occupancy Vehicle (HOV) Lanes

 

 

 

 

        Lane Miles Added

09/Q3

10/Q3

11/Q2

12/Q2

        Lane Reliability Performance on Major Puget Sound 
        Commute Routes


09/Q3


10/Q3


11/Q2


12/Q2

        Person Throughput: Comparison of HOV and General 
        Purpose Lanes


09/Q3


10/Q3


11/Q2


12/Q2

        Relationship to Transit Ridership

 

10/Q3

11/Q2

12/Q2

        Travel Time Performance on Major Puget Sound 
        Commute Routes


09/Q3


10/Q3


11/Q2


12/Q2

        User Volumes and Compliance

 

10/Q3

11/Q2

12/Q2

Highway Speed Thresholds for Congestion Measurement

09/Q3

10/Q3

11/Q2

12/Q2

Intelligent Transportation Systems (ITS)

09/Q3

10/Q3

11/Q2

12/Q2

Key Congestion Performance Measures

09/Q3

10/Q3

11/Q2

12/Q2

Lost Throughput Productivity at Select Puget Sound Locations

09/Q3

10/Q3

11/Q2

12/Q2

Moving Washington: WSDOT's Strategies to Fight Congestion

 

 

 

 

        Add Capacity Strategically

09/Q3

10/Q3

11/Q2

12/Q2

        Balanced Strategies

09/Q3

10/Q3

11/Q2

12/Q2

        Manage Demand

09/Q3

10/Q3

11/Q2

12/Q2

        Operate Efficiently

09/Q3

10/Q3

11/Q2

12/Q2

Percent of State Highway System Congested or Delayed

09/Q3

10/Q3

11/Q2

12/Q2

Ramp Separation and Metering

09/Q3

 

 

 

Severe Congestion by Duration and Frequency

09/Q3

10/Q3

11/Q2

12/Q2

Texas Transportation Institute Annual Urban Mobility
Report Rankings


09/Q3


10/Q3


11/Q2

 

Travel Delay

 

 

 

 

        Cost of Travel Delay

09/Q3

10/Q3

11/Q2

12/Q2

        On All State Highways

09/Q3

10/Q3

11/Q2

12/Q2

        On Major Puget Sound Commute Routes

09/Q3

10/Q3

11/Q2

12/Q2

        On State Highways by Urban Area

09/Q3

10/Q3

11/Q2

12/Q2

        Statewide Per Capita Delay

09/Q3

10/Q3

11/Q2

12/Q2



Travel Time Trends Semi-Annual Update

09/Q1
09/Q2
09/Q4


10/Q2
10/Q4


11/Q2
11/Q4



12/Q2

Travel Times

 

 

 

 




        On Major Puget Sound Commute Routes

09/Q1
09/Q2
09/Q3
09/Q4


10/Q2
10/Q3
10/Q4



11/Q2
11/Q4




12/Q2

        On Uncongested Commute Routes

09/Q3

10/Q3

11/Q2

12/Q2

        Reliability on Major Puget Sound Commute Routes

09/Q3

10/Q3

11/Q2

12/Q2

Truck Freight Bottlenecks

 

 

11/Q2

 

Vehicle Miles Traveled

 

 

 

 

        Annual and Per Capita on All Public Roads and 
        State Highways


09/Q3


10/Q3


11/Q2


12/Q2

        On Major Puget Sound Commute Routes

09/Q3

10/Q3

11/Q2

12/Q2

        On State Highways by Urban Area

 

 

11/Q2

12/Q2

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