This dataset is to inform WSDOT and other state agencies of a known invasive species currently found in Washington State waterways. The New Zealand Mud Snail (NZMS) has been...

Salt and liquid deicer storage facilities for winter operations. Materials are measured in tons and gallons. This dataset provides faciliy locations for the WinterOperations...

Regional Maintenance Area boundaries of the Washington State Department of Transportation are depicted as polygons.

Regional Maintenance Area boundaries of the Washington State Department of Transportation are depicted as polygons.

This data set is a linear representation of Washington State Routes that are designated as part of the Scenic and Recreational Highway System by RCW47.39.020 and RCW47.42.140....

WSDOT template for Esri file geodatabase line feature class. Template has pre-defined attribute schema to help users create data that is more consistent or compliant with agency...

WSDOT template for Esri file geodatabase polygon feature class. Template has pre-defined attribute schema to help users create data that is more consistent or compliant with...

WSDOT template for Esri file geodatabase point feature class. Template has pre-defined attribute schema to help users create data that is more consistent or compliant with...

Due to the dynamic and diverse nature of winter weather and resultant road conditions, WSDOT maintenance personnel use a variety of methods and materials to help prevent snow...

This dataset is to inform WSDOT and other state agencies of a known invasive species currently found in Washington State waterways. The New Zealand Mud Snail (NZMS) has been...

This data set is a snapshop of the current inventory of all Chronic Environmental Deficiency (CED) sites on WSDOT highways, including all active, resolved (constructed) and...