Ok, I misread "The other direction." I read it as "the width enforcement on the other side of the bridge" (since two images were linked) and there I see bollards on both sides of the road to prevent lorries to use the wrong lane...

John Willis wrote on 08.09.15 12:01:
I use bollards all the time , guardrails too.

If i tagged it as you suggest, we wouldn't need any of the cycle barriers,  
pinches, nor chicanes if they happened to be made of poles. we could use 
bollards for it all.

The guardrails are there not to contain a car nor block access, they are positioned for 
enforcing maxwidth - just as a barrier=height_restriction is not there as a lamp post or 
sign. A chicane or pinch point is not a bollard either - a bollard is meant to completely 
block access by being in the way. This is a set of "bollards" positioned to do 
a different job as a set (like the ones used to make a traffic calming=chicane or a 
pinch) - so i feel that a guardrail or bollard would not reflect the item properly in the 
database nor be rendered properly either.

Javbw

On Sep 8, 2015, at 6:12 PM, Carl von Einem <[email protected]> wrote:

johnw wrote on 08.09.15 05:38:
(...)
https://goo.gl/maps/8KUw7  The maxwidth is signed and guardrails are
doing the job. This is width limited for the very narrow bridge in the
background.

barrier=guard_rail
maxwidth=2.2
traffic_sign=maxwidth

https://goo.gl/maps/3NT9X  The other direction. Poles are used.

see https://wiki.openstreetmap.org/wiki/Tag:barrier%3Dbollard

barrier=bollard
maxwidth=2.2 (should be the same width as above)
motor_vehicle=yes (to be set in this case since bollard implies "no" by default)

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