It's a big universe out there, and there are other ways to leave the solar system. Several new destinations with new machines, technologies, and unique processes
Can the routes between Stargates be toggled on and off? I believe hiding the routes would better fit the Stargate's concept, as displaying them makes the Stargates look like some kind of space highway.
I don't think that there's an easy way to do that - if you find an example of one, let me know and I'll add it as an option.
I think we can make an ancient civilization Stargate activation device to teleport between Stargates, but it needs to be charged to activate the Stargate and can only teleport between Stargates.