[Talk-us] Announcement: Address Improvement project

[Metcalf, Calvin (DOT)]

How about in cases like that we do what most places do for boston (which has many duplicate streets due to anexation) use ZIP codes, which in America are not copy righted and (at least in MA) widely available. 
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---Original Message---
From: "Alan Mintz" <Alan_Mintz+OSM at Earthlink.Net>
Sent: 10/5/2011 5:20 pm
To: Talk-us at openstreetmap.org
Subject: Re: [Talk-us] Announcement: Address Improvement project

At 2011-10-04 18:38, Ian Dees wrote:
>When I use addr:street I put the entire street's name in the field.
>
>Breaking apart that street name into pieces is the job of other tags, I 
>would imagine.

I proposed, and have widely used addr:street_direction_prefix for the 
cardinal direction of addr:housenumber along addr:street. I've also used 
addr:suite when needed.

Example 1: when there is one Main Street that runs predominantly N/S, "123 
North Main Street" is tagged:

addr:housenumber=123
addr:street_direction_prefix=N
addr:street=Main Street


Example 2: When there are two separate Vermont Avenues that run 
predominantly N/S and parallel to each other, "123  West Vermont Avenue" is 
tagged:
addr:housenumber=123
addr:street=West Vermont Avenue

In this particular case in Los Angeles, the Vermont Avenue right-of-way was 
split to put a rail system down the middle, creating a southbound "West 
Vermont Avenue" and a northbound "East Vermont Avenue".

I'd like to see some kind of indicator to show that the second case is 
correct (i.e. the direction is really part of the street name) instead of 
just being an instance that hasn't been properly analyzed yet. I had 
proposed making the addr:street tag contain the full 
prefix+root+type+suffix and then using addr:street_* tags for the 
individual components, the presence of any of which would indicate that the 
name had been properly analyzed.

I understand the arguments that this can be complicated to 
explain/use/enforce. Not sure what to do about that. I don't think it's 
rocket science. There are days when I think we should expect more. Then 
again, on days when I can't read 3 "professional" 300-word news stories 
without finding 10 mistakes...

--
Alan Mintz <Alan_Mintz+OSM at Earthlink.net>


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