Historic data for the Washington State Route 500K linear referencing system.
<DIV STYLE="text-align:Left;font-size:12pt"><DIV><DIV><P><SPAN>This map service depicts historic data for the Washington State Route 500K linear referencing system. This service is maintained by the WSDOT GIS and Roadway Data Office. If you are having trouble viewing the service, please email onlinemapsupport@wsdot.wa.gov. If you have questions about the data please email TransportationGISDataSteward@wsdot.wa.gov. </SPAN></P></DIV></DIV></DIV>
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