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Rainier Ave S and S Jackson St. Safety Enhancements
This project was completed in 2024.
Updated: April 18, 2024
The Rainier Ave S and S Jackson St. Safety Enhancements project was completed in April, 2024.
We are happy to share the completion of our Rainier Ave S and S Jackson St. Safety Enhancements project. Crews finished installing a protected left turn phase and other signal improvements.
The protected left-turn phase allows westbound turning vehicles to make a left turn at this intersection without conflicting with oncoming eastbound traffic. During this phase, indicated by a green left-turn arrow on the traffic signal, vehicles in the turning lane have the right-of-way while oncoming traffic is stopped by a red light. This improves the safety of left-turning vehicles by preventing collisions with vehicles coming from the opposite direction.

Caption: (left photo) protected left-turn phase; (right photo) protected left-turn phase from another angle.
Project Overview
The intersection of Rainier Ave S and S Jackson St. is a busy intersection located in the Jackson Place and Little Saigon neighborhoods. During peak periods, long queues develop westbound on S Jackson St. for left-turning vehicles to access southbound Rainier Ave S.
The westbound left turn movement is currently permissive and turning vehicles must negotiate with oncoming traffic.
The project will add a protected left turn phase and other signal improvements. Additional signs and markings may be considered during design to improve traffic flow and safety at the intersection.
Design

Schedule

| Phase | Timeline |
|---|---|
| Project Selection | 2022 |
| Design | 2023 |
| Construction | 2024 |
Project Background
This is one of nine Neighborhood Street Fund projects requested by community and selected by the Levy to Move Seattle Oversight Committee. Neighborhood Street Fund is a city program, running on 3-year cycles, that enables neighbors to propose and help prioritize transportation-related projects that are then built by the Seattle Department of Transportation (SDOT).
Questions?
If you have questions or need translated materials, please contact us at NSF@seattle.gov or 206-727-3581. Thank you.
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