Quarterly vehicle speed report

Find summarized vehicle speed data from our network of traffic recorders permanently installed in Washington State highways. This data may be used to evaluate vehicle speed trends to assist in highway design and safety improvements.

As of 2021, this report is no longer produced.  However, equivalent information is available through our Traffic Data Reporting System. For assistance with this application, including accessing and extracting data, please see our Help and User’s Guide (PDF 2.0MB).

Quarterly speed reports

2020

2019

2018

2017

2016

2015

2014

2014 Support document (PDF 1MB)

2013

 

166,800 electric vehicle

registrations in Washington in 2023, up from 114,600 in 2022.

87 wetland compensation sites

actively monitored on 918 acres in 2023.

25,000 safe animal crossings

in the Snoqualmie Pass East Project area since 2014.