
If you build a settlement on his road, you disrupt it yes. See also: catan-longest-road-clarification. The vacant spot has no neighbouring settlements or cities. (There must be at least one empty spot between two settlements/cities)
How do you make a road in settlers of Catan?
A road is a type of building in The Settlers of Catan and all expansions, extensions, and variants. A road is built using 1 Lumber and 1 Brick and is always placed on an unoccupied side of a hex, connected to another road, settlement, city, or metropolis.
What is a settlement in settlers of Catan?
A settlement is a type of building in The Settlers of Catan and all expansions, scenarios, and variants.
Do friendly settlements and cities block expansion?
Friendly settlements and cities never block expansion, while opposing settlements and cities do. (Most opposing pieces in general do, but some in scenarios do not, or have their status unclear. For example, opposing wagons do not block road placement.)
Who gets the longest road if the longest road is broken?
Who gets the Longest Road if the longest road is broken depends on if the player whose Road was broken still has a share of the new longest road. If so, that player retains it. Otherwise, if an opponent has sole possession of the longest road, they claim it. If two or more tie, then the Longest Road goes unclaimed. It might be neither.

Can a settlement disrupt a road?
Yes it is a legal move you can find an example on page 11 of the Almanac. Essentially as long as a road has a connection to a city it can be broken up.
Do your own settlements break longest road?
You are correct. Your own cities do not affect your status towards the "Longest Road" You can view the official rules here, from pg. 9 (emphasis is mine). You can break an opponent's road by building a settlement on an open intersection along his road!
Can you build a settlement to cut off a road?
Yes -- the only requirement to build a settlement or road is that it be connected to an existing single road. That road doesn't need to be connected to anything else.
Can you build a road past someone's settlement in Catan?
You cannot build through an opponents settlement. You can only connect to your own roads, settlements or cities.
How do you break roads in Catan?
You can break an opponent's road by building a settlement on an unoccupied intersection along his road! This might apply in the example you have given. Your longest road length will no be either section A or B, depending which is longer.
Do you need 2 roads between settlements Catan?
Only one settlement or city can be at each intersection, and only one road can be on each path. Additionally, the placement of new settlements must follow the distance rule. That rule states that settlements must be at least two intersections away from any other settlement or city.
How do roads work in Catan?
A road is built using 1 Lumber and 1 Brick and is always placed on an unoccupied side of a hex, connected to another road, settlement, city, or metropolis.
How do settlements work?
A settlement agreement works by the parties coming to terms on a resolution of the case. The parties agree on exactly what the outcome is going to be. They put the agreement in writing, and both parties sign it. Then, the settlement agreement has the same effect as though the jury decided the case with that outcome.
What are the benefits of road widening?
But if we widen the roads, there will be much less probable chance for speed crashes since the speed limit will go higher because of more space, there will be much less traffic, and there will be much wider roads for more maneuverability. Making the roads much more safer.
What happens if you break the road in 7 and 1?
So Player 1 retains if the road is broken in “7 and 1”, otherwise it goes unclaimed.
How many roads does Player 1 have?
Example: Player 1 has 8 roads which is broken up in the middle. Players 2 & 3 have 7 roads. Who claims the longest road?
Can settlements break up roads?
As others have stated, the first scenario is allowed, and in fact used as an example of how settlements can be used to break up roads in some editions of the manual. (This may be in the context of breaking the Longest Road, but possibly exactly in the scenario that you are asking about - building past opposing settlements.) Additionally, some editions of the C&K manual have a more detailed example about using a knight to block, and then having the knight displaced.
Can Orange continue building from the split off road?
Assuming scenario 1 is what actually happened, Orange can continue building from the split-off road even if it's broken up by blue's settlement.
Can you expand past opposing settlements?
The second scenario is not allowed: you are not able to "expand past opposing settlements". Specifically, a road may only be placed next to an existing road if the intersection in between is either unoccupied, or occupied by a piece that is not able to block expansion. Friendly settlements and cities never block expansion, while opposing settlements and cities do. (Most opposing pieces in general do, but some in scenarios do not, or have their status unclear. For example, opposing wagons do not block road placement.)
Is there a limit to settlements in Catan?
No, there is no limit to settlements in Catan. In fact, a player can build as many settlements as possible if they have the resource cards to do so. The number of settlements is only limited by the resources available in their pool.
Can you bypass a settlement in Catan?
No, you can’t bypass a settlement in Catan. Bypassing a settlement can be viewed either in building a road past another player settlement or building a city without building a settlement first, which cannot happen.
Catan settlement rules
In order to understand what to do when settlements run out during the game, it is important to learn the core rules of Catan settlements. Here are the official rules that govern the buildup of settlement in Catan:
Running Out of Settlements in Catan: Conclusion
The Catan board game consists of building settlements to accomplish cities. However, players cannot build a settlement on any space that is less than two intersections away from another already build up settlement or city.
What is a settlement in Catan?
A settlement is a type of building in The Settlers of Catan and all expansions, scenarios, and variants.
How many resources do you get in a settlement?
Settlements allow a player to collect resource cards from adjacent resource hexes. You receive one resource per settlement adjacent to a resource hex whenever the number on that hex is rolled.
