ctpp-news July 2003

ctpp-news@mailman.chrispy.net

19 participants
19 discussions

Calculating commute flow for "Core Based Statistical Areas"

by Elaine Murakami

This information is provided by Todd Gardner Population Distribution Branch, U.S. Census Bureau: The standards for defining CBSAs are given in the Dec. 27, 2000, Federal Register Notice, available on the Census Bureau's website at http://www.census.gov/population/www/estimates/masrp.html. To determine if a county qualifies as an outlying county in a CBSA the following test is employed: Section 3. Outlying Counties A county qualifies as an outlying county of a CBSA if it meets the following commuting requirements: (a) at least 25 percent of the employed residents of the county work in the central county or counties of the CBSA; or (b) at least 25 percent of the employment in the county is accounted for by workers who reside in the central county or counties of the CBSA. A county may appear in only one CBSA. If a county qualifies as a central county of one CBSA and as outlying in another, it falls within the CBSA in which it is a central county. A county that qualifies as outlying to multiple CBSAs falls within the CBSA with which it has the strongest commuting tie, as measured by either (a) or (b) above. The counties included in a CBSA must be contiguous; if a county is not contiguous with other counties in the CBSA, it will not fall within the CBSA. The numbers used in this test come from the 2000 County-to-County Worker Flow Files, available on the Census Bureau's website at http://www.census.gov/population/www/cen2000/commuting.html. The number of employed residents is calculated by adding up all counts of individuals in the 2000 County-to-County Worker Flow Files where the county in question is listed as the county of residence. Similarly, county employment is calculated by adding up all counts in the 2000 County-to-County Worker Flow Files where the county in question is listed as the place of work. If you have any further questions you can contact me at 301-763-2459. --Todd Gardner Population Distribution Branch

20 years, 9 months

RE: [CTPP] CTPP Part 1 MORE States mailed

by Huntley, Lance

Aside from the release of the CTPP data on CD - are there any plans to have it accessible via an FTP server? Serving up the raw data that we can process ourselves without the need of the CTPP tool? Thanks, Lance Huntley -----Original Message----- From: Murakami, Elaine [mailto:Elaine.Murakami@fhwa.dot.gov] Sent: Monday, July 21, 2003 2:04 PM To: ctpp-news(a)chrispy.net Subject: [CTPP] CTPP Part 1 MORE States mailed As of Friday, July 18, several more CTPP Part 1 CDs were mailed to State DOTs and MPOs. These are: NY, FL, TX, AZ, NV, NC, CO and WA. Previously, OR and CA were mailed. Unfortunately, there is a problem with the CA files for counties with TAZs defined. The TAZ level data is all zero on the CD. This affects data for the following MPOs : Butte County Association of Governments Council of Fresno County Governments Kern County Council of Governments Merced County Association of Governments Metropolitan Transportation Commission-Oakland Sacramento Area COG The Census Bureau is discussing with us the most appropriate way to resolve this problem and we will get it resolved very soon! Thanks for everyone's patience. And have fun learning CTPP Access Tool (Beyond 20/20 data browser). The most important things to remember are: (1) create a folder on your hard drive for where you want to store your CTPP work (2) change the DATA path to d:/ (2 digit state abbreviation), e.g. d:/CA where d: is the CD drive , and California is the state; (3) change the SESSION path to the location you created in step 1 above. and (4) "create a session" in the browser. Nanda Srinivasan (nanda.srinivasan(a)fhwa.dot.gov, phone 202-366-5021) can help you with your question on the CTPP Access Tool. Elaine Murakami, FHWA 206-220-4460

20 years, 9 months

CTPP Part 1 MORE States mailed

by Murakami, Elaine

As of Friday, July 18, several more CTPP Part 1 CDs were mailed to State DOTs and MPOs. These are: NY, FL, TX, AZ, NV, NC, CO and WA. Previously, OR and CA were mailed. Unfortunately, there is a problem with the CA files for counties with TAZs defined. The TAZ level data is all zero on the CD. This affects data for the following MPOs : Butte County Association of Governments Council of Fresno County Governments Kern County Council of Governments Merced County Association of Governments Metropolitan Transportation Commission-Oakland Sacramento Area COG The Census Bureau is discussing with us the most appropriate way to resolve this problem and we will get it resolved very soon! Thanks for everyone's patience. And have fun learning CTPP Access Tool (Beyond 20/20 data browser). The most important things to remember are: (1) create a folder on your hard drive for where you want to store your CTPP work (2) change the DATA path to d:/ (2 digit state abbreviation), e.g. d:/CA where d: is the CD drive , and California is the state; (3) change the SESSION path to the location you created in step 1 above. and (4) "create a session" in the browser. Nanda Srinivasan (nanda.srinivasan(a)fhwa.dot.gov, phone 202-366-5021) can help you with your question on the CTPP Access Tool. Elaine Murakami, FHWA 206-220-4460

20 years, 9 months

Address geocoding using TIGER--How to do it.

by Vest, Don

Greetings from hot Southern Colorado, I am wanting to do address geocoding using Census TIGER line files, and I am not sure what will be the easiest, most efficient, most cost-effective method. As far as available resources, I have access to ArvGIS 8.2, and Arcview 3.1. Can anyone at least outline steps that I might use to accomplish this. I have been informed that ArcGIS has a Tiger reader extension, that converts TIGER data to shapefiles. Thanks for your help. Lost in Colorado (Don Vest) City of Pueblo

20 years, 9 months

Census Bureau Releases Commuting and Housing Data for 13 Metro Areas

by ed christopher

The Commerce Department's Census Bureau today released new housing and journey-to-work data for 13 metropolitan areas. The 2002 American Housing Survey, sponsored by the Department of Housing and Urban Development, includes statistics on such journey-to-work topics as mode of transportation, departure time for work, travel time and distance from home to work. Also included is information on housing topics: for example, presence of refrigerators, microwaves and air-conditioning; number of rooms; housing deficiencies. Note: This is not the CTPP data and according to the Census Bureau staff the 2002 AHS tables should be posted sometime next week. Complete information on the AHS including data from the previous years can be found at http://www.census.gov/hhes/www/ahs.html The 10 of the 13 areas included in the 2002 survey that I could identify were Dallas, Buffalo, Anaheim-Santa Ana, San Diego, Riverside-San Bernardino-Ontario, Charlotte, Miami-Fort Lauderdale, Kansas City, Milwaukee and Portland OR, ---------------- Ed Christopher Planning Activities Resource Center Federal Highway Administration 19900 Governors Drive Olympia Fields, Illinois 60461 708-283-3534 (V) 708-574-8131 (cell) 708-283-3501 (F)

20 years, 9 months

Rmove me from the CTPP list

by John R. Stokes

20 years, 9 months

PLEASE REMOVE THIS EMAIL ADDRESS

by Verizon Online

Please remove this email address ( wv.region3(a)verizon.net) from the list serve. It is a duplicate. Thanks. Scott Ferry Transportation Planner Regional Intergovernmental Council 315 D Street South Charleston, WV 25303 (304) 744-4258

20 years, 9 months

CTPP

by Patty Becker

Do we have any idea when the new CTPP files will actually be released? Please advise. Patty Becker ------------------------------------------------------------------------------------------------- Patricia C. (Patty) Becker 248/354-6520 APB Associates/SEMCC FAX 248/354-6645 28300 Franklin Road Home 248/355-2428 Southfield, MI 48034 pbecker(a)umich.edu

20 years, 9 months

An error in the recent TRB E-letter

by Pheny Smith

All, Elaine Murakami brought to my attention that the most current TRB E-letter (which I don't receive) made a reference to the CTPP, which gave readers an impression that CTPP is BTS' product. The exact wording in the news letter is "The Bureau of Transportation Statistics' Census Transportation Planning Package is available now." This, of course, is wrong. Tom Bolle, who is BTS' TRB representative, helped me to contact the editor of the E-news letter. We found out that what happened was an honest mistake made by him. When he browsing through BTS web site, he saw the CTPP 1990 CD download (in zipped form) site. He assumed that CTPP was BTS' produce and included it in the news letter without checking with us. He has promised to correct it right away. I sincerely apologize for any misunderstanding that this error might have caused. Wish all of you a happy 4th July Holiday. With the best regards, Pheny Smith BTS CTPP liaison (202) 366-2817 pheny.smith(a)bts.gov

20 years, 9 months

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ctpp-news July 2003