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Learn-a-tag: highway=escape

Posted by jgpacker on 6 January 2015 in English. Last updated on 7 January 2015.

I plan to ocasionally post about a random OSM tag which I believe should receive more attention. Due to usefulness or curiosity or even fun.

The first tag is highway=escape. runaway truck lane

This is used to describe an emergency escape ramp, usually located at the lower end of a mountain, to help stop trucks or other heavy vehicles that are not able to stop while going down the road. It’s a very useful traffic device, and literally life-saving.

Currently it’s wiki page seems to be a rip-off of the wikipedia page. Let’s hope it get’s improved soon. :-)

Cheers, John

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Discussion

په 6 January 2015 په 17:31 باندې د Harry Wood تبصره

We have 170 of them mapped at the moment. Not bad

په 7 January 2015 په 00:33 باندې د robbieonsea تبصره

Very interesting.

I remember some on Porlock Hill, UK (osm.org/#map=17/51.20620/-3.60374 - not currently mapped) and some others else where from journeys many years ago but unfortunately for remote mapping via aerial imagery is difficult / not possible as these areas tend to be covered by trees.

په 7 January 2015 په 09:47 باندې د escada تبصره

Very nice idea to highlight little known but useful tags. The area were I live is so flat I probably won’t need this one soon :-)

په 7 January 2015 په 11:30 باندې د SK53 تبصره

Agree this is a nice idea, useful info, and simpler to execute than the old project of the week.

په 7 January 2015 په 12:37 باندې د Diomas تبصره

Good idea!

I suggest a couple of improvements:

  1. put the tag in the note title after “Learn-a-tag” (the current should be “Learn-a-tag: highway=escape”
  2. put an example photo (get it from the wiki for example) as an attraction and a quick explanation to “strange” title

په 7 January 2015 په 12:47 باندې د jgpacker تبصره

@Diomas Thanks, I changed the post like you suggested.

په 7 January 2015 په 20:44 باندې د Alan Trick تبصره

In Canada these are called runaway lanes and I found two cases that were tagged as highway=service, they’re now changed.

په 8 January 2015 په 07:04 باندې د Little Brother تبصره

I hope I am not being to cynical by pointing out that the tag will probably never be used. Can you imagine any driver careering down a hill with no brakes and looking at any map for an escape lane. However, having now been cynical, it is part of the highway system so it should be mapped. Well done for pointing out this highway feature!

په 8 January 2015 په 08:07 باندې د JBacc1 تبصره

Hey, routing is not the only way OSM data is used!

Anyway, good idea to spot some little used tags out here.

په 9 January 2015 په 09:22 باندې د Polyglot تبصره

I added links to 2 Youtube videos to our wiki page

and a link to Overpass Turbo on (https://nl.wikipedia.org/wiki/Noodstopstrook) and (https://en.wikipedia.org/wiki/Runaway_truck_ramp#See_also)

په 19 January 2015 په 11:21 باندې د HolgerJeromin تبصره

here is the bugtracker for rendering this feature on the main map: https://github.com/gravitystorm/openstreetmap-carto/issues/1239

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