S Henderson St School Safety Project

Project Overview

We’re building safety improvements along S Henderson St between Martin Luther King Jr Way and Seward Park Ave S to support students to walk and bike to school and to make the street safer and more inviting for walking, biking, and taking transit.  

This includes near-term improvements such as speed cushions, crossing beacons, and art as well as longer-term bike connections. 

Crossing at S Henderson St at Rainier Ave S

The current crosswalk at S Henderson St at Rainier Ave S 

Project Area Map

A map of the project area, showing S Henderson St between Martin Luther King Jr Way and Seward Park Ave S

A map of the project area, showing S Henderson St between Martin Luther King Jr Way and Seward Park Ave S

Project Background

S Henderson St connects people to Rainier Beach High School, South Shore PK-8, Alan T. Sugiyama High School, Dunlap Elementary, the Rainier Beach Pool and Community Center, community organizations, apartment buildings and homes, Rainier Valley Food Bank, local restaurants, businesses, and the Rainier Beach Library. Several buses, including Route 7, 9, 107, and the future RapidRide Route R, travel on S Henderson St. It’s also an important route for people biking as well as freight traffic traveling to Rainier Valley destinations and businesses.

Community-based organizations, like the Rainier Beach Action Coalition and Rainier Beach Link2Lake, are also working hard to beautify the community and improve access to Lake Washington’s waterfront for residents of Rainier Beach.  

S Henderson St is a Vision Zero priority because there have been 71 crashes reported to police between 2018 and 2022 on this street. This includes 5 serious injuries, 8 crashes involving people walking/rolling, and 2 crashes involving people biking. The average speed on S Henderson St is 33 mph, which is above the 25 mph limit. Average daily traffic volume on S Henderson St is 9,500 vehicles.  

In spring 2023, we installed speed cushions on S Henderson St to improve safety while we work on longer-term improvements. We’ve seen a reduction in speeds since installing the speed cushions, but more is needed.  

Vision Zero is Seattle’s plan to end traffic deaths and serious injuries on city streets by 2030. Together with Safe Routes to School, this project will work with local Rainier Beach community groups and schools to be responsive to the community’s vision for the street. 

Families cross at the push button flashing beacon (S Henderson St at 50th Ave S) by South Shore PK-8

Families cross at the push button flashing beacon (S Henderson St at 50th Ave S) by South Shore PK-8 

Schedule 

2022

Install speed cushions to slow down people driving (completed in spring 2022) 

2023

Install push button crossing beacons at Henderson/50th, Henderson/52nd, and Henderson 53rd to make crossing easier (anticipated completion in late 2023 or early 2024) 

2023 – 2024

Plan and design bike connections and improvements for people walking and rolling 

2024

Install art along S Henderson St (design led by Rainier Beach Action Coalition) 

2025

Construct bike connections and walkability improvements 

Related Projects

Funding

Funding for this project comes from the School Safety Traffic and Pedestrian Improvement Fund through Safe Routes to School as well as the Vision Zero program. 

Transportation

Greg Spotts, Director
Address: 700 5th Ave, Suite 3800, Seattle, WA, 98104
Mailing Address: PO Box 34996, Seattle, WA, 98124-4996
Phone: (206) 684-7623
684-Road@seattle.gov

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The Seattle Department of Transportation (SDOT) is on a mission to deliver a transportation system that provides safe and affordable access to places and opportunities for everyone as we work to achieve our vision of Seattle as a thriving, equitable community powered by dependable transportation.