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Thread: Pass by percentages for library sites

  1. #1
    Cyburbian
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    Pass by percentages for library sites

    While I realize that ITE does not have a pass-by percentage listed for a public library, there has to be some rule of thumb that exists when looking at pass-by for a suburban library location. What has been your experiences with this?
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  2. #2
    Cyburbian iamme's avatar
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    What is 'pass-by'?

  3. #3
    maudit anglais
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    Quote Originally posted by iamme View post
    What is 'pass-by'?
    A "pass-by" trip is defined as a trip already on the adjacent road network - it is deferentiated from a "new" trip that a development might generate.

    I would tend to think that the pass-by trip rate for a library would be pretty small. They tend not to be places people just drop into on the spur of the moment while passing by.

  4. #4
    Cyburbian nerudite's avatar
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    Quote Originally posted by Tranplanner View post
    I would tend to think that the pass-by trip rate for a library would be pretty small. They tend not to be places people just drop into on the spur of the moment while passing by.
    Really, because I would have thought the opposite. I almost always go to the library on the way to somewhere else. Especially if I'm just returning books.

  5. #5
    Cyburbian jmello's avatar
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    Quote Originally posted by nerudite View post
    Really, because I would have thought the opposite. I almost always go to the library on the way to somewhere else. Especially if I'm just returning books.
    I would agree. Library stops are most likely part of a trip chain.

  6. #6
    Cyburbian Iron Ring's avatar
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    Pass-by/Non Pass-by trips refers to the generation of traffic on the adjacent roadways and whether or not *new* traffic would be generated by the site or would divert from other nearby roadways. A classic pass-by trip would be at gas stations. When a new gas station opens up it is unlikely that too many customers are making a specific trip just to visit it or are diverting off their normal routes. Basically, most people who stop at gas stations would've been on the adjacent roadway anyway. On the otherhand if a new library opens up, people will make specific trips and likely would divert off their normal routes (there usually isn't a library on every corner and you need to take you books back to the right one). Doesn't mean there is 0% pass-by trips for a library, but I would say it would be a small percentage.

  7. #7
    Cyburbian Jeff's avatar
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    I wouldnt consider a library a pass-by...even if it is combined with another trip, the trip to that library is very specifi, unlike a gas station or fast food.

  8. #8
    Cyburbian Random Traffic Guy's avatar
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    I would also say zero or very few pass-by trips to the library. Seems like it would have low trip generation anyways. Pass-by is a PITA to keep track of, too, not worth the time in many cases IMHO.

  9. #9
    Cyburbian iamme's avatar
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    Thanks for the pass-by explanation.

  10. #10
    Cyburbian
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    Thanks for the input. It would be an interesting thing to look at further.
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