5

According to this source and several others (like Sylvester Turner, the mayor of Houston), a section of I-10 in West Houston called the Katy Freeway is the widest highway on Earth. Its widest point is when it intersects Beltway 8 with a total of 26 lanes.

However, some other sources dispute that claim. According to this article, there are many highways with more lanes than the Katy. For instance, there's a highway in Beijing with 50 lanes at a tolling point. I forgot where I read this, but another website says that Canada also has a freeway wider than I-10.

Is the Katy Freeway the widest highway in the world or not?

3
  • 2
    I don't know if you're gonna get a more definitive answer than what Politifact stated.
    – DenisS
    Jul 26 '18 at 19:25
  • 4
    The question of whether that highway has 50 lanes has already been asked and answered. It’s only 50 lanes wide at the one toll place which is only for a small amount of highway. You can see this on the map in the highest voted answer there
    – Laurel
    Jul 27 '18 at 0:31
  • What does Katy stand for ? Give up ? Missouri, Kansas and Texas RR. Oct 13 at 17:27
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By my count, there are 27 lanes at US route 95 here at the infamous Springfield, Virginia, Mixing Bowl. A few hundred feet further south, if Augusta Drive where it acts as a frontage road is included, there are 28 lanes.

For Katy Freeway at beltway 8 there are 24 lanes, but where it intersects Gessner Road there are 26.

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  • @MichaelK The satellite photos are a google maps reference. No original research here, unless he was up on the satellite taking snapshots himself.
    – Ben Barden
    Jul 27 '18 at 16:11
  • 1
    @MichaelK The consensus itself only says original research is mainly bad if it can't be verified without unreasonable effort, more or less. Dave's original research is quite straightforward to verify. Jul 27 '18 at 17:43
  • 1
    @KamilDrakari Ah, good point. I see what you mean. Comment withdrawn.
    – MichaelK
    Jul 27 '18 at 17:44
  • @MichaelK The original research rule only prohibits "nontrivial" calculations or analyses. I quote from Sklivvz's comment: 'the general idea is "high-school level or lower" is trivial'. I hope this clears things up.
    – Laurel
    Jul 27 '18 at 18:13

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