This is the DS9 Map: Submarineworld 09 - "The Ocean" part 1
you have 4 large harbours for containers, passengers and other goods..
..a trainline, suited for container transport
a fire department and a bus-line with lot's of bus-stops..
a large and deep watermass with some underwater stuff to explore and salvage
not all is perfect - I made some mistakes that got obviouse too late to restart..
..I've fondeled around a lot - and I think it is now playable..
however - it is not quite what I had in mind..
sputnik_1, DEMAG ZKKE & Railroad system (thanks for the help)
Redeye, bus-stops, bus-depot
donoteat, industrial buildings, cementplant
I dont know, distcenter (was told I may use it but have no idea who made it originally)
blendswap, the ship wreck, cc0
train tracks, docks, industrial building 1&2, Trainbridge, Castle and the map