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9611 SE 36th Street
Mercer Island, WA 98040
Phone: 206.275.7600
Fax: 206.276.7663
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City of Mercer Island / City and Regional Projects / Transportation Improvement Program (TIP)

Transportation Improvement Program (TIP)


The City of Mercer Island is seeking public comments for the 2018-2023 Transportation Improvement Program (TIP).  The TIP covers city roadway, pedestrian, bicycle and other transportation projects planned for the six-year period beginning in 2017.  This does not include East Link Light Rail or other work on I-90.

State law requires that the Program is updated and adopted by elected officials annually.  The City Council adopted the current TIP in July 2016.

TIP Public Comment

The City of Mercer Island seeks public comments as part of the development of the 2018-2023 TIP.  The TIP is a six year program updated annually with a focus on maintaining the existing transportation network and improving the network in a thoughtful manner working within the financial constraints of the Street Fund and other funding sources.  Public comments are considered in the development of the TIP.  
The 2017 schedule for the adoption of the 2018 - 2023 TIP is shown below.

  • April 1 - 17, 2017- Public comment period
  • May 15, 2017- City Council Public Hearing and preview of preliminary draft TIP
  • June 19, 2017- City Council review of TIP and adoption

Click on the links below for information about the current TIP for 2017-2022 adopted in 2015. 

The TIP typically includes the following categories:

  • Residential Streets Preservation Program
    • Asphalt overlays
  • Town Center Street Improvements
    • Asphalt overlays
  • Arterial Streets Improvements
    • Large patches to extend the life of arterial streets
    • Asphalt overlays and reconstruction of streets
    • Reinvestment in Existing Pedestrian and Bicycle Facilities (PBF)
  • New Pedestrian and Bicycle Facilities (PBF) in accordance with the PBF Plan adopted in 2010
    • Safe routes to school
    • Creation of new pedestrian and bicycle facilities (paths, sharrows, signed shared roadways, paved roadside shoulders, bike lanes)
    • Signage and pavement markings (to create sharrows, bike lanes, signed shared roadways)
  •  Other Transportation Projects 

Mercer Island's Pedestrian and Bicycle Facilities Plan was updated in June 2010.  The Plan was created to guide decisions about future pedestrian and bicycle facilities on the Island such as trails, bike lanes, and sidewalks.  The pedestrian and bicycle facility projects proposed for the TIP are guided by the updated policies and priorities identified in the Plan.  Projects will be proposed as funding allows including more safe routes to school to encourage children to walk and bike to school and improved roadside shoulders on East and West Mercer Ways.  The updated Plan is available online.

If you have questions please contact Casey Nelson, Transportation Engineer, at 206-275-7655.

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