1. Can a toll house be placed on an intersection if that intersection has a follower on the road of the intersection tile itself?
No as placing the toll house is moving the wood, and you can only move the wood on a new drawn tile (this is a difference with the barn, as the barn is placed in the center of four fields) the toll house is placed on a intersection, so no meeple can be in that tile.
2. When you place a toll house on an 4 corner intersection and score for the followers, would you score each road seperately or does the intersection tile only get counted once?
I would say that every road is scored, so a four roads intersection would give itself four points, think that is taxes what we are talking here, so every road should give points, thats why a four roads toll house is better than a two roads toll house. Like a farmer in a cccc tile can potentially give 12 points.
3. This is probably a yes, but I want to make sure, if you place your toll house on an 4-corner intersection, none of the roads are finished and you have the only follower on any of the roads, do you also score the points for the 3 unclaimed roads?
Yes, you will get points for all the roads even unclaimed.
Now looking at Question #3, it's starting to sound a little too powerful. Turn 1, lay down a 4-intersection tile and place a thief on it, Turn 2, Delpoy your toll house and collect points for 4 roads! Perhaps it should be re-evaluated. Hmm...
If you lay first the intersection, the thief has to be placed on one road, then on turn 2 you have to draw another intersection and place the toll house there, in that way the scoring would be the number of roads in the toll house tile plus the road where the thief was. It may seems powerful, but I think the barn is more powerful, 3 o4 points per complete city, plus recovering the other way frozen farmers.
Sincerely think that the toll house would be better used later, where the chances of getting more points are bigger as there are more road tiles.
Also as people seems to like more the toll house as a meeple, we can forget the roadblock tiles here. So it will be now a expansions require extra meeples.
Good idea, although I'm not sure about how the point system would work for that because it would involve using fractions. For example, attaching a follower to a road with a toll house scores that follower for 1/3 of the length of road. So my opinion would be to score it differently than the barn, but I'm not sure how.
As I wrote earlier:
As with the barn, no player can put followers on a road connected to a toll house, of course connecting two roads with toll houses is quite legal. If a player places a tile that connects a road without toll house with a road with a toll house, the new long road is scored. With this scoring however a player only gets one point per tile if there is an inn in that road. (This is exactly to the test of scoring through connecting farms from the barn, but adapted to roads).