Wormhole travel system: how would they connect the systems?

Here, star systems are connected with "wormholes". The wormholes facilitate travel at $250\ c$, regardless of mass. They are made using special ships. Any travel (including military vessels) not through the wormholes is well below light-speed (not more than $0.05\ c$, ).

It takes a road builder ship $50$ years to make each endpoint and $30$ years to make a light-year of "road". So, for example, to connect two systems $10$ light-years apart, a road builder ship takes $400$ years. A road cannot be constructed by more than 1 ship, not even by building from opposite ends. All of a road has to be built by one ship. Additionally, roads cannot intersect in the middle.

Here are some more information on the setting:

• FTL communication faster than the wormholes (at $10000\ c$) is available, but the transmission and reception equipment are too large for ships and are generally constructed on planets.
• The wormhole endpoints orbit the stars, and are indestructible and immovable for the purposes of this question.
• The possibility of simply making the trip without a wormhole remains.
• There are "countries" in this setup; a country contains around as many systems as there are cities in a real-world country.
• Two adjacent countries are generally connected (edge system(s) with edge system(s))

My question:

How would governments connect their systems, and how would connection treaties be made (i.e. how the adjacent countries connect their countries)?

I picture only few (one?) connection between adjacent countries, because then only one system has to be defended in case of an invasion.

Edits in response to comments

• A wormhole endpoint is an endpoint of only 1 road.
• A wormhole endpoint is 100 km in diameter and cannot be "turned off" (for the purposes of this question).
• Even in the roads, light travels at lightspeed, so incoming vessels cannot be detected early.

posted over 6 years ago

user_194421‭

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