[Talk-us] Naming Ramps

[Jack Burke]

It's true that most ramps in the U.S. don't have names, but I do know of a few that appear to.  In particular, the I-4/I-75 junction in Tampa appears to have named ramps.

http://www.mapillary.com/map/im/K-n1LMSGIwseE2TPAa63wQ/photo

-jack



On July 30, 2015 4:51:17 PM EDT, Paul Norman <penorman at mac.com> wrote:
>On 7/30/2015 7:15 AM, Brett Lord-Castillo wrote:
>> Related to this, I also wanted to look for some ideas on how to 
>> generate names for the unnamed ramps in an OSM extract.
>Most ramps in parts of the US I've traveled don't have name. What they 
>do have is destinations, which indicate the information on the signs.
>
>As an example, https://www.openstreetmap.org/way/32192639 has no name, 
>but has destination=Lynden;Birch Bay. There is a sign indicating that 
>this exit ramp leads to those places. 
>http://www.openstreetmap.org/user/mvexel/diary/22419  provides some
>more 
>information, and a picture of a complicated sign.
>
>If you wanted to, you could label ramps with the destination 
>information. This would be done in your processing toolchain - and it 
>depends on what you want to feed the data into. If you were using 
>osm2pgsql, I'd suggest Lua transforms, but if you're using a different 
>ETL toolchain, there's probably a way to transform the data.
>
>> These ramps are extremely import: a large number of traffic accidents
>
>> occur on them and we must dispatch to exactly the right ramp in a way
>
>> that can be quickly identified from information provided by a caller 
>> (e.g. exit number is not helpful if the caller is already on the
>ramp).
>Do have any data on how callers are describing their current location 
>when they are on a ramp? My guess is they would describe the
>destination 
>of the ramp or the exit number they took. Both of these are in OSM.
>
>I can think of some ramps which are long and in remote areas where if 
>you stop at the right place and look around, there are no signs to 
>indicate where you are. If you get a call from one of these locations 
>and the person doesn't know the area, there's probably no good way for 
>them to describe where they are.
>
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-- 
Typos courtesy of fancy auto-spell technology. 
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