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Author Topic: Perplexity.ai teaches about highways  (Read 1731 times)

kurumi

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Perplexity.ai teaches about highways
« on: September 25, 2023, 08:00:00 PM »

A ChatGPT alternative is perplexity.ai, and right away I learned a lot about Connecticut highways! These are some serious hallucinations.

Quote from: https://www.perplexity.ai/search/c7063512-340a-461f-aeb4-33c48a609a32?s=u
Connecticut has used a majority of the available numbers for its highways, but there are a few that have not been used or are not currently in use. Here are some examples:

  • Odd Numbers above 199: Connecticut has not used odd numbers above 199 for its state routes[2]. The highest odd-numbered state route in Connecticut is Route 199, which runs from Pomfret to the Massachusetts state line[2].
  • Even Numbers above 218: Similarly, even numbers above 218 have not been used for state routes in Connecticut[2]. The highest even-numbered state route in Connecticut is Route 218, which runs from Windsor to Bloomfield[2].
  • Three-Digit Numbers above 399: Connecticut has not used three-digit numbers above 399 for its state routes[2]. The highest three-digit state route in Connecticut is Route 399, which runs from Route 189 in Bloomfield to Route 218 in Windsor[2].
  • Four-Digit Numbers: Connecticut does not have any four-digit state route numbers[2]. Four-digit route numbers are typically used for local or county roads in other states.
  • Exit Numbers above 100: With the ongoing exit renumbering project, Connecticut will be using exit numbers based on mile markers, which means that exit numbers above 100 will not be used[5]. The highest exit number in Connecticut is currently Exit 130 on I-95 in Stratford[5].

Citations:
[1] https://www.ctinsider.com/news/article/ct-highway-exit-number-changes-18114516.php
[2] https://www.ctinsider.com/news/article/Have-you-noticed-new-exit-numbers-on-some-CT-17000946.php
[3] https://portal.ct.gov/-/media/dot/documents/dtrafficdesign/exit_renumbering_faq.pdf
[4] https://portal.ct.gov/DOT/Traffic-Engineering/Exit-Renumbering
[5] https://www.courant.com/2023/05/21/ct-highway-changes-7-things-you-need-to-know-about-all-our-new-exit-numbers/
[6] https://www.fox61.com/article/traffic/connecticut-exit-highway-renumbering-ct-dot-project-timeline/520-7668c4fa-b672-4925-ac91-465058f0e883
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vdeane

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Re: Perplexity.ai teaches about highways
« Reply #1 on: September 25, 2023, 08:22:52 PM »

I guess the number 399 is neither even nor odd.
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epzik8

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Re: Perplexity.ai teaches about highways
« Reply #2 on: September 30, 2023, 03:41:26 PM »

Yeah, exit 130 being in the western part of the state is horrible.
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pderocco

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Re: Perplexity.ai teaches about highways
« Reply #3 on: September 30, 2023, 09:33:33 PM »

Switching from consecutive numbered exits to mileage based numbered exits spreads them out, requiring larger numbers. The last exit on I-95 will probably switch from 93 to 203. Of course, that could have been the stupidity of the writer at the Hartford Courant; I couldn't tell because of the paywall.
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