rEvolving Transportation

Sharing information about Traffic Signals, Bicycles, Technology, and the Urban Form. I work for the City of Portland. The views expressed on this blog are my own.

Wednesday, July 31, 2013

TRB Papers submitted this year

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I had the distinct pleasure in working with two people this year on papers for the upcoming 2014 TRB Annual Meeting where it was wonderful t...

First TRB Paper - 15 years ago

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I am celebrating an anniversary of sorts that happened 15 years ago. In 1998, on this day, I was busy working on the Transportation Research...

Friday, July 26, 2013

Vehicular Cycling Debate

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I have been pulled into the Vehicular Cycling debate because I dared question the National Committee members on the topic through the NCUTCD...

Wednesday, July 24, 2013

Are Traffic Signals Bad? The Bikeportland "debate"

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A friend wrote in on Bikeportland.org about how traffic signals are bad. Here's my response: I respectfully disagree with you on the...

Sunday, July 21, 2013

Multiple Lane Transition with a Green Bike Box

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Boston has done a bit with green paint that I thought were notable. Here's a series of photos of an application that you don't often...

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Traffic Signal Systems Committee Meeting in Portland

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At the Summer meeting of the Transportation Research Board Committee on Traffic Signal Systems, we started off the three day meeting on a bi...

Saturday, July 20, 2013

Detecting Bicycles at Traffic Signals Sign

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The City of Portland has been working with Portland State University students to determine whether the detection of bicycles at traffic sign...

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pkoonce

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