Quest A New Form of Public Transportation
Quest Underground Transportation
Quest First Train
Quest Delivering Passengers
Quest Repairs and Preventive Maintenance
Quest One More Station
Quest Modernized Train
Quest Surface Subway Station (Quest)
Quest New Subway Stations
Quest Upgraded Train
Quest A Perfect Form of Transportation
Quest Depot with the Best Trains
A New Form of Public TransportationUnderground TransportationFirst TrainDelivering PassengersRepairs and Preventive MaintenanceOne More StationModernized TrainSurface Subway Station (Quest)New Subway StationsUpgraded TrainA Perfect Form of TransportationDepot with the Best Trains


The Repairs and Preventive Maintenance quest unlocks once the following conditions have been met:


The subway's cars and rails need regular quality assurance and occasional repairs. Start building a Maintenance Shop.
Electrical Substation L1 Build an Electrical Substation
Costs: 15 assets or 15 Megabucks sm, 17 Power sm and 15 Water sm
5 x Concrete Rings Asset Concrete Rings
5 x Light Concrete Asset Light Concrete
5 x LEDs Asset LEDs
Gives: 450 Experience sm and 13,000 Population sm cap increase
Maintenance Shop Construction Buy a Maintenance Shop Foundation
Costs: 130,000 Coin sm or 2 Megabucks sm, 17 Power sm and 15 Water sm
Gives: 300 Experience sm and 8,500 Population sm cap increase
Contract Weekend Schedule (I) Complete two runs on the Weekend Schedule (I) (contract on Subway Train (Miami))
Costs: 850 Coin sm and 6 hours each
Gives: 2,690 Coin sm and 10 Experience sm each upon completion


Great job! Now build a Maintenance Shop and keep developing Megapolis's subway system.
  • XP Reward: 170 Experience sm
  • Coin Reward: 6,200 Coin sm


  • Social Quantum's ID for this quest is 70615.