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Olde Town Traffic Calming Pilot Program

Program Overview and Installation

At the end of January 2018, temporary traffic calming devices were installed on Alder, Andrews and Bush Streets as part of the City’s Olde Town Traffic Calming Pilot Program.

The pilot program is expected to run for at least 10 weeks. All of the speed humps, speed cushions, speed tables, traffic circles and chicanes were constructed out of rubber or temporary material that may be removed and reused elsewhere in the city after the conclusion of the program.

The goal of the pilot program is to implement a variety of traffic calming counter measures, then collect feedback from residents and data from speed count traffic tubes.

The data and feedback gathered will be used to determine future permanent traffic calming measures for Olde Town.

On Feb. 15, 2018, Senior Engineer John Mortensen provided an update to the Issaquah City Council Infrastructure Committee regarding the City's Traffic Calming programs. View the update on YouTube. 

Traffic Count Data

traffic data visualization
Traffic count data is now available. Select a PDF from the list below to view data visualizations and the raw data itself. These documents were last updated in April 2018.


In early 2017, City Council allocated $100,000 for traffic calming measures in Olde Town.

Staff has gathered resident feedback through surveys and also at a neighborhood meeting earlier in August about preferred traffic calming measures and potential locations.

For more information, contact Senior Engineer John Mortenson.


Let us know what's working, what's not working, which type of device you prefer and what you think about each of the locations.

Your comments will help shape the plan for a permanent solution.

Take the Survey.