While traveling on SW Thistle between 35th and Delridge this week, we noticed three sets of markings that appeared to outline future speed humps. So we asked SDOT whether this was a continuation of the Westwood-area work that so far has included a new four-way stop at 25th/Trenton. Spokesperson Ethan Bergerson says this is specifically tied to safety for Chief Sealth International High School and Denny International Middle School, and that the markings we saw on SW Thistle won’t be the only ones added – they’re planning four on Thistle as well as others on 26th, 27th, and Kenyon, as shown on this map:
That’s from Denny_ChiefSealth_TrafficCalming_Postcard (002) (2) that Bergerson says SDOT sent to residents nearby. As it notes, the ones for SW Thistle are actually speed cushions – the difference is explained as “Speed cushions are like speed humps but have breaks that allow emergency vehicles to pass through them without slowing down.” No installation timeline yet.
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