Welcome to Palouse RTPO

We are the Washington State Department of Transportation (WSDOT) funded and regulated  Transportation planning organization for the SE corner of the WA serving four Counties of Asotin, Garfield,  Columbia and Whitman. Palouse RTPO was originally formed in 1993 between the four counties as a result of Growth Management Act (GMA) to ensure local and regional coordination of Transportation plans. (Learn More) We work closely with four counties, local and regional community, Public Transit Agencies, Ports, Cities, Towns,  Counties, WSDOT and the Lewis-Clark Valley Metropolitan Planning Organization (LCVMPO)  to deliver comprehensive transportation planning and policy services for the region.

Palouse RTPO Regional Arc GIS Map (pdf)


Why were RTPOs created?

RTPOs were authorized as part of the 1990 Growth Management Act to ensure local and regional coordination of transportation plans.  (Learn More at WSDOT Website)

What is an RTPO?

A Regional Transportation Planning Organization (RTPO) is formed through a voluntary association of local governments within a county or contiguous counties. RTPO members include cities, counties, WSDOT, tribes, ports, transportation service providers, private employers and others.

Click here for our regional map and our member cities, towns, counties and


Please see our public involvement section to find upcoming events, meetings, programs and public participation studies.

What does RTPO do?

RTPO planning must involve local cities, counties, WSDOT, transit agencies, ports, and private employers.  (Learn More)

Current News:

Your Participation and Input is Requested: Long Range Regional

Transportation Plan 2016-2036 

Seven Public Meetings are scheduled covering Asotin, Columbia, Garfield and

Whitman Counties during first and second week of June 2016 to get your input

on various issues of transportation projects, goals, policies and future

projects. (Click here for details)

The Palouse RTPO Regional Long Range Transportation Plan 2036- Steering

Committee monthly meeting will be held at the second Tuesday of every

month at the PRTPO Conference Room. (Learn More)

WSDOT in collaboration with the City of Colfax & the Palouse RTPO  has

applied for the Tiger Grant 2016 Application for the SR 26 and US195

Roundabout Design project. (Learn More)

Final Draft for the Palouse Regional Freight study has been completed.

The Final Draft of the Palouse Regional Freight Study 2015 is out for public

and stake holders comments (comments due by Feb 29, 5pm)  (Learn More)

(More news… Click Here)
Contact Us PALOUSE RTPO 845 Portway Clarkston WA 99403 (509) 751 9144 © Copyright 1993-2016 Palouse Regional Transportation Planning Organization (PRTPO) Lead Planning Agency Southeast Washington EDA (SEWEDA)
Quick Links: Regional Transportation Plan Transportation Alternative Program Meetings and Events                                                                                                 Transportation Improvement Program UPWP What do RTPO do? Public Participation Current Studies Contact Us

How Can I Participate:

Meetings and Events

Whats New:

Current News

Make your Opinion Count:

Send your Comments/ Suggestions
Palouse RTPO ensures nondiscrimination in all programs and activities in accordance with Title VI of the Civil Rights Act of 1964. If you need more information or special assistance for persons with disabilities or limited English proficiency, Please Contact our staff.
Serving Asotin, Columbia, Garfield and Whitman Counties