reachable

adj

1. Within easy reach; accessible

   “Now, for the first time in the station's history, all 15 platforms are reachable from one central point.”

   “Kramatorsk is a smoky industrial city in Donbass, and a major railway junction. According to Google Travel, I can now reach Kramatorsk by rail from Hertfordshire (where I live) in just... 56 hours and 35 minutes. That highly hypothetical trip would entail 11 train changes. The important thing, however, is that the long-suffering city is again reachable by rail.”

2. That may be reached from another node in a graph by passing along one or more lines

noun

1. Someone or something that can be reached.