So do I (saves on domain fees, too), though alas the specific hypothetical domain name Steve threw out seems to be taken. Also, could the separate subdomains be run as separate sites, with minimal coordination to slow things down?
I think universal log in for all sub-domains is almost a must have, even if separate files for each discrete type of route.
Railroads, Roads, Cycling trails and Walking trails would be of a similar format: <region> <route> <from> <to>. Issue here if they are all .list files, though obviously they could become .rail, .road, .bike and .hike files while keeping the same format.
Ferries (.boat) could take the same format, but region is difficult (would, for instance, the Portsmouth-Bilbao ferry enter France, and what purpose would mid-sea points serve?) and so many routes would look weird*. And the routes are fairly hard to map remotely accurately. A binary system with an interface like mob rule's one might work here?
Air travel is a different thing entirely
an existing site takes airport codes and airline. It would be silly to have them pre-mapped as there's like a bazillion combinations.
Or bus systems, local and intercity?
The clinched transit thread here showed that buses are frankly awkward due to the routes being in flux a lot of the time. But if some mentalists want to do it, then...
And could we have geographical areas? Obviously US counties would be duplicating mob rule, but mob rule doesn't have countries, or national parks, or whatever. And it fits with our site's theme of mapping where you have been.
*My data would be something like, applying road standards to it (see how repetitive it is):
ENG Dover-Calais Dover GBR/FRA
FRA Dover-Calais GBR/FRA Calais
ENG Portsmouth-Cherbourg Portsmouth GBR/FRA
FRA Portsmouth-Cherbourg GBR/FRA Cherbourg
ENG Portsmouth-StMalo Portsmouth GBR/FRA
FRA Portsmouth-StMalo GBR/FRA StMalo
ENG Poole-Cherbourg Poole GBR/FRA
FRA Poole-Cherbourg GBR/FRA Cherbourg
ENG Plymouth-Roscoff Poole GBR/FRA
FRA Plymouth-Roscoff GBR/FRA Roscoff
ENG Portsmouth-Fishbourne Portsmouth Fishbourne
ENG CowesFloatingBridge Cowes East Cowes
ENG Southampton-EastCowes Southampton East Cowes
ENG WoolwichFerry NorthWoolwich Woolwich
ENG SandbanksFerry Sandbanks Studland
MLT GozoFerry Cirkewwa Mgarr