Hi All,

I know you have all been watching this space and eagerly anticipating the first release of CTPP small area data from the American Community Survey.  Well, despite heroic efforts, the data and software are not ready for an August release as earlier hoped.

The CTPP five year data product is coming, here is some information on it.  Updates and info will be published here

When:

A fully executed product is expected around October 2013. As of this writing (August 2013), the US Census Bureau has delivered data to the software vendor and the vendor is processing it. Beta testing of the data and software is in process having begun in early August.  We have encountered several problems getting the data fully loaded into the software and so have delayed the release for about eight weeks.  We would rather have a fully functioning product with robust beta testing, over one that does not work and gives us inaccurate results!

What: 

CTPP based on 5-year ACS – 2006 - 2010; residence based, workplace based, and flow data for geographies ranging from the Census TAZ or tract to the nation. 

Tables include means of transportation univariate and crossed with travel time, household income, vehicle availability, age, time leaving home, and (new) presence of children, minority status, number of workers in household and median household income.  A complete list of available tables can be found here: CTPP tables-5YR List public.xlsx

There are plans for an API, and plans to make large files (entire states, for example) downloadable are under development.

How:

A new data access software is being developed for the 5-year data, it will include the 3-year data, and eventually, we hope to include both older and future data sets, so they can be found in one easy place. The software will allow for table manipulation – so you can get a table looking the way you like before download, download formats will include tables, .shp files, .gml and .TAB files. The software has a robust mapping component.

When:

A fully executed product is expected around October 2013. As of this writing (August 2013), the US Census Bureau has delivered data to the software vendor and the vendor is processing it. Beta testing of the data and software is in process having begun in early August.  We have encountered several problems getting the data fully loaded into the software and so have delayed the release for about eight weeks.

Penelope Z. Weinberger

CTPP Program Manager

AASHTO

202-624-3556

ctpp.transportation.org