Having been completely stopped in my efforts to get place of work data even at the PUMs level, I wondered where they were getting this. Pums documentation says that place of work data is often not available for below the place level (which may be quite useful for Falls Church, but not Los Angeles). Alan and I have talked about this problem.

Wendell Cox

+1 618 632 8507

From: ALANPISARSKI@alanpisarski.com
To: ctpp-news@chrispy.net
Date: Thu, 26 May 2016 12:47:23 -0400
Subject: Re: [CTPP] CTPP animation map (Not CTPP, actually)

Yes I noticed also – very strange.

From: ctpp-news-bounces@chrispy.net [mailto:ctpp-news-bounces@chrispy.net] On Behalf Of Weinberger Penelope
Sent: Thursday, May 26, 2016 10:12 AM
To: ctpp-news@chrispy.net
Subject: Re: [CTPP] CTPP animation map (Not CTPP, actually)

I would be cautious, just did a quick check, it says ACS, but unsourced as to what ACS (I’m guessing 2009 – 2013 county to county flows – otherwise OD pairs are very tricky), also looking at just Montgomery county and DC, and expanding the tool to its maximum range (zero to 293 miles) it’s missing about half the total workers in each of those. Also, tracts are referenced, but that set is not reported at tract. I welcome your thoughts.

Penelope Z. Weinberger

CTPP Program Manager

AASHTO

202-624-3556

ctpp.transportation.org

From: ctpp-news-bounces@chrispy.net [mailto:ctpp-news-bounces@chrispy.net] On Behalf Of Nancy Reger
Sent: Wednesday, May 25, 2016 4:08 PM
To: ctpp-news@chrispy.net
Subject: [CTPP] CTPP animation map

Check out this CTPP animation map – we didn’t make it. It’s very cool, wish we had-

http://bigbytes.mobyus.com/commute.aspx

Nancy Reger, AICP

Director, Data & Mapping | Mid-Ohio Regional Planning Commission
T: 614.233.4154 | M: 614.228.2663 | nreger@morpc.org

111 Liberty Street, Suite 100 | Columbus, OH 43215

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