The National Highway Freight Network (NHFN) consists of four components: 1. Primary Highway Freight System (PHFS): This is a network of highways identified as the most critical...

The Washington State Freight and Goods Transportation System (FGTS) classifies freight corridors by modes in Washington state based on annual freight tonnage moved, including...

Noise walls are free-standing barriers built parallel to a highway. They are usually found near public areas, such as parks, and residential areas. The walls range in height...

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 map service depicts historic data for the Washington State Route 500K linear referencing system. This data is a snapshot of the roadway system for the year specified in the...

This dataset displays the aviation related businesses within Washington State. Industry sectors were selected that include businesses with a high propensity to rely on aviation...

This map service depicts historic data for the Washington State Route 500K linear referencing system. This data is a snapshot of the roadway system for the year specified in the...

This map service depicts historic data for the Washington State Route 500K linear referencing system. This data is a snapshot of the roadway system for the year specified in the...

This map service depicts historic data for the Washington State Route 24K linear referencing system including state routes, ramps, turnbacks, ferry terminals, and proposed state...

This map service depicts historic data for the Washington State Route 24K linear referencing system including state routes, ramps, turnbacks, ferry terminals, and proposed state...

This map service depicts historic data for the Washington State Route 500K linear referencing system. This data is a snapshot of the roadway system for the year specified in the...

This map service depicts historic data for the Washington State Route 500K linear referencing system. This data is a snapshot of the roadway system for the year specified in the...

This map service depicts historic data for the Washington State Route 24K linear referencing system including state routes, ramps, turnbacks, ferry terminals, and proposed state...

This map service depicts historic data for the Washington State Route 24K linear referencing system including state routes, ramps, turnbacks, ferry terminals, and proposed state...

This map service depicts historic data for the Washington State Route 24K linear referencing system including state routes, ramps, turnbacks, ferry terminals, and proposed state...

This map service depicts historic data for the Washington State Route 500K linear referencing system. This data is a snapshot of the roadway system for the year specified in the...

This map service depicts historic data for the Washington State Route 24K linear referencing system including state routes, ramps, turnbacks, ferry terminals, and proposed state...

This map service depicts historic data for the Washington State Route 24K linear referencing system including state routes, ramps, turnbacks, ferry terminals, and proposed state...

This map service depicts historic data for the Washington State Route 24K linear referencing system including state routes, ramps, turnbacks, ferry terminals, and proposed state...

This map service depicts historic data for the Washington State Route 24K linear referencing system including state routes, ramps, turnbacks, ferry terminals, and proposed state...