Transportation Data & GIS

Transportation Data & GIS Office (TDGO) - Home

(formerly STCDO/GRDO)

We support the maintenance, preservation and operation of the Washington State transportation system by providing customers with timely, accurate and reliable roadway, traffic and collision data. We collect, process, analyze and report data for over 7,000 miles of state routes and over 80,000 miles of public roads. We deliver specialized GIS products and services in support of business operations throughout WSDOT.

 

Products and Services



COLLISION DATA

Annual Collision Data Summary

Collision Data Request Form

State Route Locator Log

Collision Data FAQ's

Collision Data Reports by Request
(Standard Detailed History, Summary Reports)

 



TRAVEL DATA  

Annual Mileage/Travel Info

Annual Traffic Report

Peak Hour Report

Mobility Project

Speed Report


Permanent Traffic Recorder (PTR) Reports

Permanent Traffic Recorder Location (PTR) Report

Short Count Factoring Guide

Traffic Volume Map Application

Travel Data Reports by Request
(AM/PM Traffic Summary, Hourly Volume Detail, Vehicle Classification)

 



GIS DATA   

Maps for printing

Digital Maps and Data

Geospatial Data Catalog

GeoPortal Map Application

GeoPortal Map Users Guide

WSDOT Map Applications

 



ROADWAY DATA

State Highway Log

State Route Web Application (SRweb)

State Route Web Help

Interchange Viewer

Functional Classification

HPMS

Digital Imagery & Duplication Services

State Highway NHS (pdf 1.0 mb)

Roadway Features Inventory Program (RFIP)

Roadway Reports by Request
(Horizontal/Vertical Alignment, Road Life, Highway Classification)