[Talk-us] Prima Facie Speed Limits

Tod Fitch tod at fitchdesign.com
Mon Sep 8 23:00:52 UTC 2014

California has a 25 MPH rule for school zones while Arizona has (or at least had when I lived there) a 15 MPH school zone limit. It seems that 25 MPH in a residential area is pretty standard but I think states have enough discretion in setting limits that they could vary from one state to the next. So I think the source attribution should allow for differences between states for the same class of road. Thus my suggestion for "source:maxspeed=US:CA:residential" for tagging in my area.

On Sep 8, 2014, at 2:55 PM, Greg Morgan wrote:

> On Mon, Sep 8, 2014 at 2:27 PM, Tod Fitch <tod at fitchdesign.com> wrote:
> Thus far I've only applied the maxspeed tag to roads with a posted speed limit. But here in California most residential roads are not posted, instead there is a state wide prima facie limit: http://www.dmv.ca.gov/pubs/vctop/d11/vc22352.htm
> I wonder if 15 mph in a school zone and 25 mph in a residential area are some sort of federal standard?  The source tag might be useful but not much different than other states.
> Regards,
> Greg

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