Re: Comparison of CTPP OD flows at different aggregation levels?: This is due to the workplace allocation issue in Census data. Standard
workplace allocation procedures at the Census Bureau imputes only at the
county and place level geographies & not below that. In previous iterations
of the ACS based CTPP, the Census Bureau did an extended workplace
allocation to overcome this difference but did not do so in the 2012-2016
CTPP. Details of how it was done for the… https://tmip.zephyrtransport.org/scripts/wa-ZEPHYRTRANS.exe?A2=TMIP%3Bd79144a5.2405&utm_source=dlvr.it #tmip