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From: ctpp-news-bounces(a)chrispy.net [mailto:firstname.lastname@example.org] On Behalf Of
Sent: Thursday, January 03, 2013 4:36 PM
Subject: [CTPP] Article by Brown and Neog: "CBDs and Transit Ridership"
I am always on the lookout for people using CTPP data. Although this project used CTPP
2000, I thought it was interesting. They analyzed MSAs with population over 500,000.
They categorized the MSAs into 3 groups by population size (500,000 to 1,000,000 ; 1 - 5
million; and all MSAs).
They found "no relationship between the strength of the CBD (employment) and transit
ridership" and found that service frequency was the most strongly related to transit
commute mode share.
Since the 2006-2010 CTPP should be out in the next several months, this analysis could be
re-done with more recent data!
To define CBDs, they started with census tracts defined in the 1982 Census of Retail Trade
and then modified based on local consultation.
FHWA Office of Planning
206-220-4460 (in Seattle)