[CentralOH] Determine Travel Time

Brian Costlow brian.costlow at gmail.com
Wed Dec 7 20:39:31 CET 2011


Don't know of anything personally that I have used, but I saw a
presentation on Postgresql geospcial stuff a few years ago where they were
adding the PostGIS and PgRouting add-ons to Postgres, using a tool that (I
think) came with PgRouting to get OpenStreetMap data bulk loaded into

They then had a Python script that would generate charts of shortest
driving distance between two points by querying Postgres.

I don't know if drive *times* are available from the data though.

But it might be a place to start.

On Wed, Dec 7, 2011 at 2:05 PM, Mark Erbaugh <mark at microenh.com> wrote:

> I have an idea for a website (Pyramid-based, of course) that needs to
> calculate approximate travel time between addresses.  At this point, I'm
> not interested in driving directions or maps, just travel time.  It looks
> like this usage is not consistent with Google Maps terms of service, even
> for the Premier level. Also pricing for the Premier level "starts" at $10K.
> Is anyone aware of alternatives?
> FWIW, the travel time calculation doesn't have to be done online. It could
> be set up so that I periodically download the addresses to one of my own
> computers, do the calculations there and upload the results.
> I was considering something like Microsoft or DeLorme travel planning
> software. I have older versions of both, but neither seem to have an API
> that could be used to feed in addresses and get results, they appear to be
> designed for "manual" processing.  Does anyone know if newer versions are
> any different?  Is anyone aware of a Python API to either program?
> I also briefly looked at OpenStreetMap, but didn't get too far with that.
>  Does anyone know of Python interfaces to OpenStreetMap and whether it
> might be usable in my project?
> Thanks,
> Mark
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