Well a bit different.  At a T junction a direction change is ... kind of implied and a slow down is needed.  However at a toll booth it's just straightaway smooth sailing.  Ideally something needs to 

Just having toll=yes isn't sufficient, the frequency of the booths are not mapped.  Perhaps there should be a node tag "toll booth=yes" or something to indicate one needs to slow down or stop at the location for routers to generically take this into account when making time estimates?