[Talk-us] USA (non-Amtrak) passenger rail

2018-09-17 Thread OSM Volunteer stevea
In https://wiki.osm.org/wiki/WikiProject_United_States_railways#Train_Routes 
there are over 30 USA-based passenger rail routes (e.g. FrontRunner in Utah, 
MVTA in Minnesota, BrightLine as part of Florida East Coast Railway..) which 
suffer from very little (wiki) documentation as to how they fit into a wider 
transportation system for the state/county/city they are based in, and as to 
how they fit into a wider rail network in their respective states.

Suggested there is that by creating a half-dozen state-level rail wikis 
(similar to the recently-declared-alpha 
https://wiki.osm.org/wiki/Colorado/Railroads ) this would knock down the "over 
30 rail routes poorly documented" by more than half.  That's a lot of "bang for 
the buck" even as I (personally) realize that it can be a significant amount of 
work to create a comprehensive statewide rail wiki.  (Yet, out of 50 states, 
the USA is pushing up to having a dozen or so of them, and growing).

If you are looking for something to do in OSM, please consider creating a State 
project rail wiki.  There are seeds both simple and complex for you to clone, 
starting with the lightly-sketched 
https://wiki.osm.org/wiki/New_Mexico/Railroads and 
https://wiki.osm.org/wiki/Montana/Railroads and all the way up to the rather 
comprehensive https://wiki.osm.org/wiki/California/Railroads wiki.

With "Street" as our middle name, lots of folks use OSM for highway and bicycle 
mapping/routing.  Yet, with the importance of rail travel almost exploding 
across our country as new light_rail and suburban train routes are being added 
almost faster than our mapping speed (and certainly faster than our 
wiki-writing speed), we have some work to do to catch up!

Happy mapping (and wiki-documenting),

SteveA
California
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Re: [Talk-us] Address data for Miami Florida United States

2018-09-17 Thread Mark Wagner
On Mon, 17 Sep 2018 02:13:46 -0500
Aaron Forsythe  wrote:

> zip codes – Zip codes are USPS routing codes.  They do not align to
> cities and may even cross over each other often.  USPS only uses the
> city field on mail as a backup to zip codes.  They fudge the cities
> intentionally to make it easier on their sorting machines.  I’d be
> cautious when getting city data from USPS based on zip codes.

"City" on a USPS address isn't the city, and never has been.  It's the
name of the sorting office.  This usually corresponds to the name of
the city (and for places with only one post office, the name of the
post office), but not always.  For unincorporated areas, it's usually
the same as the name of the nearest incorporated area, but not always:
unincorporated areas can still get post offices.

Postal Zip codes are point clouds, not areas (and Zip+4 codes even more
so).  Census zip codes are areas, but they've only got a rough
correspondence to the postal codes.

-- 
Mark

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Re: [Talk-us] Address data for Miami Florida United States

2018-09-17 Thread Aaron Forsythe
I would just like to point out two things.

addr:unit – I get there are a lot of tall buildings where this isn’t useful in 
Miami.  It is useful for large footprint buildings to know what entrance to 
park by.  Sometimes around here (unsure of in Miami) one address will even 
serve multiple buildings.  For instance at a hospital there may be 3 buildings 
containing doctors offices with the same address.

zip codes – Zip codes are USPS routing codes.  They do not align to cities and 
may even cross over each other often.  USPS only uses the city field on mail as 
a backup to zip codes.  They fudge the cities intentionally to make it easier 
on their sorting machines.  I’d be cautious when getting city data from USPS 
based on zip codes.
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