Thanks for responding. Let me see if I can come up with some answers for you.

There are four (technically three, with one being an outgrowth of another) FTL modes. Just as a note, this is mostly a space opera type campaign with less emphasis on technological or scientific accuracy and more focus on action and story development.

Void Drives ( 1 ly/day )
The oldest and longest used one is known as Void travel. The Void (another name for Hyperspace) was the staple of travel for over 300 years. While technically Void travel could take you anywhere, it was restricted by policy to a series of buoys assigned to specific routes (easy to get lost in the Void). There were also gates that allowed ships without Void drives to enter and exit the Void at certain points. Recent campaign events have rendered the Void too unstable to provide for safe travel, necessitating the implementation of new and untested technologies. The trade routes, as drawn, represent the original gateway system.

ION Drives (1 ly/ 2 weeks )
Not to be confused with ion drives, which are very much slower, ION drives were developed after studying an advanced alien starship engine design. They work on the warp theory and are technically omnidirectional. The campaign uses a Deus Ex Machina fuel source which is both heavy and rare, so any ship diverging from the trade routes needs to have a lot of cargo space to carry both supplies and fuel.

Fold Drives (up to 10 ly/instantly - but must be at least 1 ly from a star)
A more recent invention, the technology for these types of drives is in its infancy. Essentially the vessel using this type of drive must travel about a ly away from whatever star it is currently near. More for brigher, larger stars and less for smaller, dimmer stars. Again, technically omnidirectional but the drives themselves are much more prone to mechanical failure than the other drives. For sheer safety, the ships that use these drives stay near the route and actually jump far less than the maximum jump available. These drives are accompanied by a form of fast Slower than Light travel that allow for relativistic speeds without actually exceeding the speed of light. This is actually probably the slowest form of travel as it takes about a year and a half to get to the jump point

Warp Drive ( 3 ly/day )
Found in only two ships known to the player characters and one of them is a heap of wreckage. This technology is from a technologically advanced alien species. Study of the warp drives in one of the ships led to the development of the ION drive system. The single fastest and most stable form of travel in the setting - which is now available in a single ship. Truly the only practical omnidirectional travel system as it uses Zero Point Energy and the ship comes with a matter conversion (replicator) device. Well, the scrap heap had the replicator. The other ship did not have that particular luxury so it is limited to whatever it can store in its cargo hold. In that regard, it must have some place to restock essential supplies.

More uses for the routes
Since the Void is useless now and Fold drives can be very impractical, the new workhorse drive is the ION drive. Still, it is a slow method of travel and supplies don't last forever. To help counter this issue, way stations with extra supplies are being deployed along the old routes. This allows for smaller ships to have a place to stop and resupply. It also creates home bases for "short range" patrols.

About the Legend
What I really want to do is find a place for the legend now. I was thinking lower left corner, with the risk of blocking out some of the content. Another place would be the upper middle, but there are places there too, that will likely be blocked out. Any suggestions on where to put the legend?