[Routing] Bad routing: U turns for highway links?

[Paul Johnson]

On Sun, 18 Jul 2010 08:42:05 +0200, Marcus Wolschon wrote:

>> You CAN turn both left and right leaving the highway; the middle lane
>> is a left-turn lane in both directions, crossing the opposite side. 
>> You just can't turn left entering the highway.
> 
> Why isn´s it?
> I see a dual-carriageway with oneway-links on both sides and 2
> oneway-links in the middle. As all these ways are oneway in reality just
> connect or don't connect the middle lane to the carriage-way they are
> crossing if and only if making U-turns using the middle lane is
> forbidden.

It's a controlled intersection in Oregon:  U-turns are not allowed by 
default.