Design hour report
Get a list of the year’s 200-highest traffic hours and associated vehicle volumes from our network of traffic recorders permanently installed in Washington State highways. This report helps project designers, planners and traffic engineers estimate the volume of traffic used in the design process.
Note: In 2021 the Peak Hour Report was redesigned and renamed the Design Hour Report.
Reports by year
2022 Design Hour Report (XLSX 6MB)
2021 Design Hour Report (XLSX 6.7MB)
2018 Peak Hour Report (PDF 9MB)
2017 Peak Hour Report (PDF 9.5MB)
2016 Peak Hour Report (PDF 10.0MB)
2015 Peak Hour Report (PDF 7.7MB)
2014 Peak Hour Report (PDF 5.3MB)
2013 Peak Hour Report (PDF 7.0MB)
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