Contour Line

February 11, 2009

Truck traffic

Filed under: bikes, research, transportation — jmarca @ 5:17 pm

Started up a new project recently to estimate traffic flows.  Our first question is to extract truck traffic estimates from those estimates.  (more…)

October 30, 2008

If you’re not a Socialist, you’re antisocial!

Filed under: bikes, research, transportation — jmarca @ 1:22 pm

My goodness maglev PRT is an astoundingly stupid idea.

September 24, 2008

Wacky Ideas

Filed under: bikes, research, transportation — jmarca @ 11:48 am

So I was writing an email and considering the different strengths of Transims/Matsim vs a microsimulator, and I wrote that Transims can help us analyze big policy questions like what if we replaced all of the freeways with bike lanes. (more…)

September 16, 2008

Car sharing or bike rental?

Filed under: bikes — jmarca @ 5:07 pm

I don’t understand how car sharing can be profitable.  You run into the same problem that public transit has—expensive vehicles with a long life offered to a people who could buy or lease their own car.  While the cars are shiny and new now, in 5 years they will not be.  Perhaps the zip-car’s of the world buy new cars regularly, and sell their old cars used. (more…)

October 5, 2007

Bikes belong

Filed under: bikes — jmarca @ 4:49 pm

I just read part two of an article in the OC Register (right wing wacko rag) that seemed to backpedal (no pun intended) a bit from part one in which the author (I did not read part one) appeared to complain about a share the road campaign along Pacific Coast Highway.

I wanted to submit a response, but the filter refused, first complaining about punctuation, and then complaining about the length. So nevermind, I’ll post my response here.

The original article is here. My response is as follows, without proper commas and so on because I can’t be bothered putting them back in after stripping them so assiduously. (more…)

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