For those of you who didn't already
know, the US Dept of Education maintains a national geo-codable database
of K-12 schools at http://nces.ed.gov/ccd/ (go to Data Resources>Build
A Table), where you can select a particular geographic area and fields
include both school lat/lon and geocodable street address. I've used
this site on several occasions to supplement ES202 data to geocode education
employment throughout the state of Ohio and for multi-state metro areas.
FYI, our ES202 employment agency in this state beginning in 2005
switched from coding all public K-12 employment to the district administrative
offices to the individual schools.
Sam Granato
Ohio DOT, Office of Technical Services
1980 W. Broad Street, Columbus, OH 43223
Phone: 614-644-6796, Fax: 614-752-8646
"You can observe a lot just by watching." - Yogi Berra
Dear CTPP listserv:
As some of you are aware, the Census Bureau has been working with
Department of Labor QCEW (formerly known as ES-202) files, combined with
federal administrative records, to synthesize home-to-work flow
tabulations for small geography.
The first phase which used QCEW for 2002 and 2003 included 12 states:
CA, CO, FL, ID, IL, MN, MO, NC, OR, PA, VA and WA. Cross-state
commuting was addressed ONLY for MO and IL in a test. In the last
10
months, Ed Christopher and I have held several teleconferences to work
together with State DOTs and State Employment Departments to work out
data sharing agreements, and to discuss the possibility of improving
feedback mechanisms to improve the quality of the data. In the past,
when State Employment Departments shared their data, when a State DOT or
MPO made "corrections" to the file for using the data in a
transportation application, there was no mechanism to recommend that
someone in the Employment Department check the original data to make a
correction. Most often, this has to do with establishments with
multiple sites, where all the employment is coded to one location,
rather than multiple locations. Most recently, on the lehd-ltd listserv
(see below on how to sign up), there was a discussion about the lack of
specific school locations and the assignment of school employment to a
district or school board headquarters office location.
But, no dataset is perfect. This link includes some materials from a
transportation perspective on the LEHD
http://www.fhwa.dot.gov/planning/census/lehd.htm
Because the LEHD holds promise as a source for annual home-to-work flow
tabulation for small geography, we would like to encourage you to
examine the data, and to discuss your findings with the transportation
data community. We will have a session at the TRB Transportation
Planning Application conference in Daytona Beach in May 2007 to discuss
some of the work done so far.
The Census Bureau now has a new project in place covering 43 states and
QCEW data for 2004. In this project, cross-state commuting will be
addressed for all states, and the 2002 and 2003 data will be updated to
account for cross-state commuting.
To sign-up for the lehd-ltd listserv,
http://lists.census.gov/mailman/listinfo/lehd-ltd/
Please read Jeremy Wu's email below regarding the Cornell site with
access to data from Oregon and Texas, after you register as a user.
If my email has any mistakes, I hope that Jeremy will send corrections!
Elaine Murakami
FHWA Office of Planning
206-220-4460
-----Original Message-----
From: lehd-ltd-admin@lists.census.gov
[mailto:lehd-ltd-admin@lists.census.gov] On Behalf Of
jeremy.s.wu@census.gov
Sent: Tuesday, October 24, 2006 10:30 AM
To: lehd-ltd@lists.census.gov
Subject: [lehd-ltd] On The Map Data Available from Cornell University
Oregon and Texas data for On The Map are now available through the
Census
Bureau's partnership with the Cornell Institute for Social and Economic
Research (CISER) at Cornell University. On The Map went live on the
Internet in February, and it has grown to 16 states with Georgia to be
added in November. On The Map is the first synthetic data product
released
by the Census Bureau. Ten (10) distinct copies, known as implicates,
are
produced; one of them is used for the current implementation of On The
Map
. The CISER site provides an Internet-accessible computing environment
dedicated to the exploration and development of synthetic data. Data
for
the state of Washington are being loaded at this time, and data for
other
states will be added over time, pending the interests of the states and
the
users. See attached update for more details or visit
http://lehd.dsd.census.gov.
(See attached file: OnTheMap Update 061019.pdf)
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