[Tilesathome] construction=motorway in z17

[Heiko Jacobs]

Hello

Is there any reason for different rendering of construction=motorway
at zoom level 17 comparing to other construction=... and other
zoomlevels for construction=motorway?

And more important: Please look at:
http://www.openstreetmap.org/?lat=51.18&lon=11.1615&zoom=17&layers=0B00FTF
Is there a SVG bug ore a SVG feature? ;-)
At the upper side of the image the motorway is rendered different as
on the lower sid of the image. But if you look at potlatch: nothing
changes there...
And if there is a bug or feature:
On which side is the bug and the feature? ;-)

Up to now I thought, that in SVG it isn't possible to render the left
half of a line different to the right half. But there might be an
example that it is possible, if the bug is on the lower side 
of the image ;-) In this case I want to unterstand, how it is done ;-)

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