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The table below lists subjects included in the most recent four years of the Gray Notebook (2014-2016). Visit the full Travel Information index.
Travel Information
Subject/Topic
2014
2015
2016
2017
Bridge clearance trip planner
15/Q1
15/Q2
Number of calls to Travel Information (1-800-695-ROAD & 511)
14/Q1
16/Q1
17/Q1
Revenue from WSDOT website advertising
Types of information requested to 511 Travel Information
Web-based tools (Blog, YouTube, Twitter, Podcasting, RSS, mobile internet)
Website usage & page views
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