From the LFP Stewardship Foundation
Bus Rapid Transit (BRT) construction on SR 522/Bothell Way will be the largest and most impactful project that Lake Forest Park (LFP) has experienced in decades. Sound Transit (ST) has begun to apply for permits and construction is anticipated to begin next summer. It is critical that our community be informed about permanent changes and major impacts that the BRT will bring to LFP neighborhoods and what lies ahead.
What do we know so far? According to city staff and available documentation:Construction is expected to start in the summer of 2027 and will last approximately 20 months. This will coincide with construction of the SR 104 round-about, which is expected to be completed in October or November 2027.
The BRT corridor will run on SR 522/Bothell Way NE for about 1.5 miles starting at SR 323/NE 145th Street. An estimated 95,000 tons of dirt and debris will be excavated and at least 109 tax parcels are affected, either by permanent or temporary takings.
The project will require significant onsite space for its base of operations, storage and maintenance of large equipment, materials and vehicles and facilities (including parking) for its workforce, among other functions.
Tree Removal Overview
Approximately 347 trees are proposed for removal, including 47 landmark trees and 300 significant trees. These trees represent an estimated canopy of 139,828 square feet and are predominantly native species, including Douglas fir, western red cedar, western hemlock, and bigleaf maple.
Tree Inventory Basis and Site Impacts.
The tree category designations are based on tree inventories conducted between 2020 and 2023. As a result, some trees may have grown and now exceed their assigned category. Of the trees proposed for removal, 177 are located within erosion hazard or steep slope areas, and 17 occur within stream or wetland buffers.
Tree Replanting and Ecological Implications.
Sound Transit proposes planting 223 small replacement trees in the corridor right-of-way, restoring an estimated 80,996 square feet of canopy. Because these species are generally non-native, smaller-canopied, shallower-rooted, and shorter-lived than the trees removed, they are unlikely to provide equivalent ecological or monetary value.
Native replanting appears limited to Animal Acres to address the loss of 17 buffer trees. The City’s 2023 Urban Forest Ecosystem Services and Values Report used i-Tree Eco to quantify benefits such as pollution reduction, cooling, stormwater control, wildlife habitat, carbon sequestration and storage, noise buffering, economic value, and public health. It remains unclear whether Sound Transit’s mitigation fully compensates the community for these lost ecosystem services.
Remaining Mitigation Requirement.
After proposed ROW replanting, a deficit of 120 trees and 58,832 square feet of canopy would remain.Sound Transit proposes to mitigate this remaining loss through an off-site planting program, or planting in LFP designated ROW corridor replanting areas. Any remaining deficits would be mitigated by paying replanting fees to the City's tree fund.
The project will cross or interact with principal sensitive areas in our city, including Bsche’tla Creek and the NE 153rd ravine; McAleer and Lyon Creeks; and a portion of the Burke-Gilman trail. It directly intersects multiple sensitive natural systems in Lake Forest Park, including Lake Washington drainage routes; steep-slope and landslide-hazard zones; liquefaction-prone soils; shallow groundwater; and locations requiring retaining walls, structural foundations, drainage modifications, and other geotechnically complex work.
Information about ST3 BRT is available on the
City’s website. The site includes thousands of pages of technical documents, plans, and permit materials that can be challenging and time-consuming for residents to interpret. To date, there are no public meetings scheduled regarding the project.
How can you help? We will continue seeking information about this major project, but we are an all-volunteer nonprofit with limited time and resources. Please support our community by contacting our elected officials and city staff with questions and concerns, sharing updates with neighbors, and encouraging transparent public communication throughout the process.
Below are some suggestions for key questions regarding the BRT:
- How will the City inform and update the public throughout construction?
- Will tree replanting mitigation be required within Lake Forest Park to preserve local canopy function, or will tree banking be allowed outside of city limits?
- Will the City account for the ecosystem services lost by removing mature native trees when determining replanting requirements or calculating fee-in-lieu payments? If not, how will the City ensure that mitigation adequately compensates for the loss of benefits such as carbon storage, stormwater management, cooling, air-quality improvement, sound buffering and wildlife habitat?
- Will the City consult an environmental economist to evaluate the effectiveness of proposed mitigation?
- When will tree removals begin, and how will they be sited and conducted?
- What is the City’s role throughout the project? Will it have input and on-going consultations with ST?
- Where will the contractors’ bases of operations be located? On which days and during what hours will construction occur?
- What is the City’s traffic plan for these bases and construction areas? Will BRT construction and rerouting coincide with other major construction in the area, including the waterfront park, roundabout on 40th Place NE and various culvert improvements?
- Has a comprehensive plan for coordination of overlapping projects been established?
Here’s how to reach City staff and elected officials to ask questions or express your concerns or ideas:
The Stewardship Foundation is an all-volunteer 501c3 nonprofit organization focused right here in Lake Forest Park, with the Mission:
- to contribute to the well-being of our community
- by fostering awareness, understanding, appreciation,
- and stewardship of our natural environment;
- and by preserving and enhancing parks and open spaces.
Your support is greatly appreciated!
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