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Author Topic: WA 509  (Read 261 times)

Max Rockatansky

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WA 509
« on: May 08, 2018, 12:42:22 AM »

The second clinch of the current trip was WA 509 (at least I think).  Decently curvy road from 99 to I-705.

https://flic.kr/s/aHskAMhidq

Several questions popped into my head while driving this route:

-  Why is the signage between the end of the freeway south of SeaTac so shitty on the surface streets? 
-  Is 509 actually a gapped route or is 516 and 99 considered to be a continuation to Dash Point Road?

I'll work up something on this one later this week.  I'm looking forward to digging into some old maps on 509, it seems too weird not to have an interesting back story.
« Last Edit: May 08, 2018, 03:17:10 PM by Bickendan »
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Max Rockatansky

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Re: WA 509
« Reply #1 on: May 12, 2018, 04:54:45 PM »

Kacie Jane

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Re: WA 509
« Reply #2 on: May 15, 2018, 03:03:18 PM »

  • With the exception of 99, I think most surface street SRs in that area have pretty poor signage.
  • Yes, it technically follows 516 and 99. The mileposts don't line up though, because the northern "independent" section used to be longer, continuing past 516 and meeting 99 at 16th Ave south of 272nd Street.
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Max Rockatansky

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Re: WA 509
« Reply #3 on: May 15, 2018, 10:31:31 PM »

  • With the exception of 99, I think most surface street SRs in that area have pretty poor signage.
  • Yes, it technically follows 516 and 99. The mileposts don't line up though, because the northern "independent" section used to be longer, continuing past 516 and meeting 99 at 16th Ave south of 272nd Street.

I'm assuming the section on 16th survived a little while after being renumbered from 1V.  Any idea when it might have been decommissioned?

Kacie Jane

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Re: WA 509
« Reply #4 on: May 16, 2018, 01:28:50 PM »

Much longer than that.  I'm not 100% sure, but it may have been 1992, when a bunch of SRs were changed.
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Bruce

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Re: WA 509
« Reply #5 on: May 16, 2018, 08:30:37 PM »

According to an old USGS topo map from 1976, SR 509 used to follow 16th Avenue, then cut west down Woodmont Drive and continued north on Marine Drive through Saltwater State Park.

Max Rockatansky

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Re: WA 509
« Reply #6 on: May 18, 2018, 08:37:55 PM »

According to an old USGS topo map from 1976, SR 509 used to follow 16th Avenue, then cut west down Woodmont Drive and continued north on Marine Drive through Saltwater State Park.

Out of curiosity do you happen to have a link to that USGS map?  It would make a handy addition to the blog post above if you have it.

ErmineNotyours

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Re: WA 509
« Reply #7 on: May 18, 2018, 10:22:22 PM »

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Max Rockatansky

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Re: WA 509
« Reply #8 on: May 18, 2018, 10:30:55 PM »

I do have links to 1978/1981 topos:

https://store.usgs.gov/product/287147
https://store.usgs.gov/product/286563

Thanks, I'll get the post updated as soon as I get some free time. 

Bruce

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Re: WA 509
« Reply #9 on: May 19, 2018, 04:06:43 PM »

Alternatively, you can use the USGS/ESRI viewer to scroll through several topo maps at once, with the option of downloading once you find one you like.

 


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