La Center 4th Street/Pacific Highway Roundabout, WA
Reduces vehicle queuing, improves peak hour operations, and improves intersection safety.
Quick Facts
A roundabout was constructed based on the results of a traffic study
A truck bypass lane was implemented from northbound Pacific Highway to 4th Street based on the reduced roundabout diameter due to the constrained location of the intersection
The roundabout addresses safety concerns associated with the left turns from westbound 4th Street onto Pacific Highway
Results
The roundabout addresses peak hour performance needs based on surrounding land use traffic patterns
Reduces vehicle queuing along 4th Street
Improves intersection safety
Provides capacity for the future development in La Center
Our Work
Conducted an operations analysis for existing and future conditions to determine the geometrics layout for the roundabout
Developed final plans, specifications, and engineering estimates for lighting, signing, striping, and temporary traffic control
Provided engineering support during project construction