[Talk-us] Last word on named driveways

Charlotte Wolter techlady at techlady.com
Sat Apr 22 18:30:08 UTC 2017


At 10:04 AM 4/22/2017, you wrote:
>No offense intended!  I know the Census TIGER 
>and OSM have similar but not entirely congruent goals.
>On Apr 22, 2017 11:00, "Charlotte Wolter" 
><<mailto:techlady at techlady.com>techlady at techlady.com> wrote:
>Â Â Â Â Â Â Â Â Having been a Census-taker myself, I know the process.
>Actually, it would be very unusual for an adress checker (done
>one year before the Census itself) to change a street name. We
>were given printouts that were our guide as we checked addresses.
>If something didn't match, such as if a new apartment building
>was constructured, we had to do a special form.
>I never had a street-name change (Santa Monica is well-established),
>but I imagine someone doing a suburban area might have some.
>Now, supposedly we got our information from someone who actually
>lives there. But, that means trusting that the person you are talking
>to that day knows what they are talking about. So, there's lots of
>room for error.
>In 2010, we were instructed to add a GPS point near the front door
>of each dwelling unit or apartment building. However, we were not
>given guidance on how close to stand. I suspect that is one reason
>why we have so many zig-zag streets. :-)
>At 01:18 AM 4/22/2017, you wrote:
>>On Tue, Apr 18, 2017 at 1:59 PM, Charlotte 
>>Wolter <<mailto:techlady at techlady.com>techlady at techlady.com> wrote:
>>        After my inquiries about 
>>the rash of named driveways in Campbell County, 
>>Virginia--these are driveways that end of with 
>>the name of the street they intersect--I 
>>finally got  a reply from the county GIs 
>>director (pasted in below). He says 
>>inequivocally that it is a TIGER issue, not a 
>>local one. Probably no surprise. I know opinions vary on TIGER.
>>That's not a giant surprise.  And it's not 
>>so much that opinions on TIGER vary so much as 
>>the quality of TIGER itself is highly 
>>variable.  I've seen places where TIGER was 
>>amazing and there wasn't much to do other than 
>>add speed limits and turn lanes.  But 
>>Portland, Oregon comes to mind as an area where 
>>it was pretty obvious that they digitized 
>>someone's hand-drawn map, which was drawn on a 
>>napkin with a fine-tip ballpoint pen in the 
>>rain, and was like trying to get a cat to 
>>cooperate with being rubbed backwards to sanitize.
>>        He also add a couple of 
>>data souces, his own county and the state of Virginia, that could be useful.
>>        I sent this to TIGER and 
>>asked that they update us on any fixes for this.
>>Given the inconsistency of TIGER data, I would not be surprised
>>if no automated effort will be ever attempted to deal with that dataset
>>ever again.
>>That said, there are tilesets out there that show TIGER data that thas
>>a newer name or geometry than what OSM has, though this itself has its
>>pitfalls. I've noticed a tendency for such datasets to false-positive
>>on a name because OklaDOT renamed something and whatever Census-
>>taker mapped it in TIGER kept the old name.
>>Talk-us mailing list
>><mailto:Talk-us at openstreetmap.org>Talk-us at openstreetmap.org
>Charlotte Wolter
>927 18th Street Suite A
>Santa Monica, California
><mailto:techlady at techlady.com>techlady at techlady.com
>Skype: thetechlady

Charlotte Wolter
927 18th Street Suite A
Santa Monica, California
techlady at techlady.com
Skype: thetechlady

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