[Tagging] What's the proper way to map multiple rail tracks in a street?

[Liz]

On Wed, 23 Jun 2010, Nathan Edgars II wrote:
> http://www.openstreetmap.org/?lat=39.946466&lon=-75.124744&zoom=18&layers=B
> 000FTF Cooper Street and Delaware Avenue are four-lane roads, with light
> rail/tram tracks in the outer lanes. Obviously one could simply apply
> railway=* to the highway, but that would not show the individual
> tracks. So I drew the tracks in their individual positions, but at
> high zooms it renders with the tracks completely outside the roadway.
> It would not be correct to draw two roadways, one in each direction
> (like on 4th Street to the east), since, unlike 4th Street, these are
> single carriageways.
> 
> Is there any better way to do this? Also, is it proper to place
> railway=level_crossing at every node where the centerlines of railways
> and highways cross, even if the railway is simply entering or leaving
> the highway right-of-way (like on 4th Street to the southeast)?
> 

The main railway line in Rockhampton Qld, goes down the middle of one of the 
main streets.
The way it has been mapped the railway line disappears when rendered by 
Mapnik.
You could look at what has been done there for some further ideas.