[Talk-us] Marking closed bridges

[Paul Johnson]

Jeff Barlow wrote:

> Zeke Farwell <ezekielf at gmail.com>  wrote:
>
>> There are many roads through the mountains in Vermont that are generally
>>closed from Nov 1st through May 30th each year due to snow.  These could be
>>tagged as:
>>
>>closed = Nov-May
>>
>>or
>>
>>closed = yearly
>>closure_dates = Nov-May
>>
>>The hard part would be getting Mapnik to render this information.  It would
>>either have to be smart enough to change to the closed rendering during the
>>specified dates, or have a different rendering for roads that are closed
>>seasonally with the dates indicated after the name.
>
> Out here in the west we have many highways over mountain passes
> that are regularly closed during the winter. On typical paper
> maps there is text along them that says "closed in winter". Seems
> to me we need something similar. 

access=no
date_on=mm-dd-yyyy
date_off=mm-dd-yyyy

This makes it possible for renderers to add (closed between xxx and yyy)
tags or render them as inaccessable part of the year as appropriate, and
is already established in the wiki and actual usage.