This time we need a ship, or two.
Vehicles for various (from unknown to current) eras. Vehicles after year 2000, 2025 or 2050 should have no retirement year.
- freight road cars (post and other goods)
- buses
- freight train cars
- post train cars
- passenger train cars
- locomotives
- ships
Powerlines - for electricity transition between power stations to other factories. Pakset already has powerlines, but without option to build them in underground (as tunnels).
Factories
- power plants
- supply factories (like agricultural fields or mines)
- processing factories (making some goods from else goods)
- end step factories (like shops)
Town buildings (1*1 tile building)
- residential: mostly capable to create larger blocks, with shops and services on ground floor
- commercial: mostly capable to create larger blocks, with shops and services on ground floor
- industrial: hard to say, mostly probably small buildings like garages, workshops or so