We observed that it's important to recognize that the percentages do not
represent numbers of rides, i.e. even though transit commute trips may have
declined, the NUMBER of trips may actually have increased. Our transit
commute mode percentage increased from 1.00 to 2.5 percent, while the
NUMBERS of rides between 1990 and 2000 increased from 341,598 to 499,417--a
From: Putta, Viplava [mailto:email@example.com]
Sent: Tuesday, May 28, 2002 12:20 PM
To: ctpp-news maillist
Subject: [CTPP] Journey to Work data
In looking at the journey to work data at all three levels (place,
county and MSA level) for the Tulsa MSA, in short we observed the
A slight increase in commute time - between 7% & 8% from 1990 (as
opposed to 16-20% increase in VMT over the same period).
With regard to the mode of transportation - Carpool showed an increase
over '90 levels (1.4%) and transit commute trips declined. Several
cities we looked at for comparison purposes showed similar trend.
Almost no increase in car ownership is also observed (percent households
with 0, 1 and 2 plus cars remained same from 1990 to 2000).
Possibly all of these are somewhat related - has anyone come up with
this prediction with regard to an increase in carpooling over the past
decade (any papers published or presented)? Is this a confirmed
reversal in trend from 70s to 80s and 90s?
I guess part of my question is to do with if transit's loss is carpools'
Transportation Planning Division
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