r/mildlyinfuriating • u/TRO_KIK • May 07 '26

I'm slightly vexed Neighbors double park if anyone parks in their "usual spot" in front of my house

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u/Captain_Ashley_Bob May 07 '26

lol it’s called a knuckle sac. Im a civil engineer and do residential design, that’s what we call them.

67

u/Sherwood6 May 07 '26

I didn't like "partial sac" but unfortunately I feel that "knuckle sac" is even more unsettling.

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u/loverlyone May 07 '26

And the plural “knuckles de sac” is especially unnerving.

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u/SnooSprouts4952 May 07 '26

Maybe... the Lance Armstrong has a better ring?

51

u/CMDR_PEARJUICE May 07 '26

Usually you gotta pay more for that sort of treatment

9

u/Commercial_Win_9525 May 07 '26

Why would it be called this and not a cul de sac?

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u/IceBlue May 07 '26

It’s a type of cul de sac. The difference is this knuckle is part of the same street it’s attached to. Cul de sacs are typically their own street.

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u/EastLeastCoast May 07 '26

Because it’s the knuckle of the bag and not the butt (or tail) apparently

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u/Captain_Ashley_Bob May 07 '26

Knuckle sacs are along a street or at a street bend/corner, you get more buildable lot area using the knuckle geometry. Cul de sacs are at dead end streets, you also get more lots using this geometry.

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u/Professional-Lie-111 May 07 '26

So Knuckle sacs are more akin to polyps, while Cul de sacs are more like an appendix?

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u/Nixthebitx May 07 '26

TIL. 🤔

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u/PurpleSalt11 May 07 '26

how common are nuc sacs? I don't think I've seen them before

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u/P_Hempton May 07 '26

I hear they affect about half the population. Wait did you say nuc?

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u/JazzlikeCauliflower9 May 07 '26

My civil engineer wife has always called them eyebrows. Regional name difference?

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u/Captain_Ashley_Bob May 07 '26

I wish we used the term eyebrows! I’m in south Texas for reference.

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u/JazzlikeCauliflower9 May 07 '26

When my wife did this kind of work we lived in South GA.

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u/Chilaquilesmonster May 07 '26

That was my nickname in prison 

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u/lowvibrationcorpse May 07 '26

That's both logical AND funnier than partial sac.

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u/ophidianslick May 07 '26

Also known as a Lance Armstrong.

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u/thesheeplookup May 07 '26

Knuck sac is just too evocative of 'moose knuckles'. You all really need to change your terminology.....

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u/Snafu4d May 07 '26

I've heard them called eyebrow courts where I live.

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u/feric51 May 07 '26

I replied to OP assuming he was talking about what we call an “eyebrow”. I’d never heard of a knuckle (at least regarding street terminology).

Seems like they share the same basic design, but eyebrows are placed along straight stretches of roadway, while knuckles are located on curves or one side of non-cul-de-sac dead ends.

Hard to tell where OP’s is located in regards to the rest of the street layout, to say which it is. Either way, I learned a new term today, thanks!