If you're looking for a modern derivative of Railroad Tycoon, you may enjoy Transport Fever. You'll find its demand-driven economy familiar, and staying solvent

If you're looking for a modern derivative of Railroad Tycoon, you may enjoy Transport Fever. You'll find its demand-driven economy familiar, and staying solvent in the early game is tricky. Fever places a bigger emphasis on terrain—managing grade and turn radius to improve the speed (and profitability) of your vehicles.