The Texas A&M Transportation Institute congestion study tool generates images as seen below and provides downloadable PDFs of additional data, and more.
Explore the tool HERE.
Below are links and images for Portaland, Salem, and Eugene Oregon.
Portland congestion data sheet detail HERE.
Infographic for Portland:
Salem congestion data sheet HERE.
Infographic for Salem:
Infographic for Salem:
Eugene congestion data sheet HERE.
Infographic for Eugene: