[Tagging] Barriers near roads

[Nathan Edgars II]

On 2/11/2011 1:20 PM, M∡rtin Koppenhoefer wrote:
> 2011/2/11 yarl at o2.pl<yarl at o2.pl>:
>> 2. crash barrier
>> (http://commons.wikimedia.org/wiki/File:CrashBarrier.jpg) - low
>> barrier from metal or concrete, you can jump over it
>>
> 2) I used to map as barrier=guard_rail

I think a guard rail is one specific type of crash barrier. 
barrier=crash might be better.