Folks,
I wrote to TIGER about the false "driveways" issue that I
discovered, and got a reply from Anne O'Connor of TUGER. Apparently
it is a known issue, but they would like to hear about any others
that we may find.
Charlotte
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From: "GEO Tiger (CENSUS/GEO)" <[email protected]>
To: "[email protected]" <[email protected]>
CC: "GEO Tiger (CENSUS/GEO)" <[email protected]>
Subject: Re: Why do driveways end up with street names??
Thread-Topic: Why do driveways end up with street names??
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Date: Tue, 4 Apr 2017 15:42:00 +0000
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Charlotte,
Thank you for your inquiry.
We gather all of our road data from local sources, we then test that
data, and, if it passes, we add it to our TIGER database. We also
make sure that the data works well with the rest of our data. That
said, we sometimes have residual issues with the data.
In this case, the problems with named driveways came from the
partner files we received during the MAF/TIGER Accuracy Improvement
Project (MTAIP) in the mid-2000s. MTAIP was used to update TIGER,
and a majority of the time we uploaded the information into our
database expecting it to be correct and accurate from the source,
but in some cases it was not. Staffing, timing, and software
restrictions during those years also provided some issues, and we
sometimes weren't able to run a 100% QC on a file, or target the
problems as easily as we can now.
Looking at the area in question, we ran this county through MTAIP in
September 2005, and those named driveways were introduced
then. There was actually a note made "Many driveways added, some
with names" at the time.
You noted an issue in Campbell County, VA, if you know of any other
areas where this kind of problem is wide-spread, please let us know
and we'll take a look. This may take some time, but we do make
every effort to continue to improve the quality of our files.
Sincerely,
Anne
Anne O'Connor
Geographic Customer Service Branch
Geography Division
U.S. Census Bureau
4600 Silver Hill Road - Mail Stop 7400
Washington, D.C. 20233-7400
(301) 763-1128
[email protected]
Subscribe to updates about the TIGER/Line Shapefiles and other
geographic products on our website: http://www.census.gov/geo/
----------
----------
From: Charlotte Wolter <[email protected]>
Sent: Monday, April 3, 2017 20:37
To: GEO TIGERweb (CENSUS/GEO)
Subject: Why do driveways end up with street names??
Hello, TIGER staff,
I am a member of OpenStreetMap abd mpa mostly in the United
States. There is an issue with TIGER data that continually creates
problems, particularly in rural areas,
The issue is that, many times, driveways, particularly long
ones in rural areas, end up with the names of the street they
intersect. I ran across a particularly aggravating example of this
problem in Rustberg, Virginia. There, every almost driveway in town
has been given the name of the street it intersects. In addition,
there are dozens of false driveways with names. The "false" driveways
consist of a node on the street and a second node a few feet away.
Occasionally they correspond to an actual driveway to a house or
business, but much of the time they correspond to nothing (except,
perhaps, the GPS node of the house).
I have worked for the census, and I know how you gather
address data. I, too, have recorded GPS nodes for each building in my
neighborhood. However, this seems to be an issue with how the data is
processed.
Are you working on something to correct this ongoing problem
with driveway names?
Charlotte Wolter
Charlotte Wolter
927 18th Street Suite A
Santa Monica, California
90403
+1-310-597-4040
[email protected]
Skype: thetechlady
Charlotte Wolter
927 18th Street Suite A
Santa Monica, California
90403
+1-310-597-4040
[email protected]
Skype: thetechlady
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