Sammamish manipulates traffic counts to approve development, study charges

Mike Mullor

Update,  June 6: The City Council meets tonight and this topic will come up. The meeting begins at 6:30pm at City Hall; Public Comment is scheduled about 7:25pm. Mullor’s study may be accessed here.

Original post, June 5:

Sammamish manipulated its traffic concurrency code to allow new development despite daily vehicle counts exceeding the thresholds for pass-fail standards, a study shows.

  • Miki Mullor will present his study to the meeting tonight of the Citizens for Sammamish. The group meets at 7pm at the fire station at 1851 228th Ave. NE.

The City uses traffic count data it has to apply for concurrency testing. Most of the data is from 2012. Some 2014 data is used. No 2016 data is used, according to the study. Using 2014 data on key roads where 2012 data is used would have failed some concurrency testing and denied the applications for development, the study shows.

Click on all images to enlarge. Source: Miki Mullor Concurrency Study.

Miki Mullor, a Sammamish resident, used Public Records Request (PRR) to obtain 2014 traffic count data that the City has but does not generally use in its concurrency testing.

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