Cities: Skylines

First of all you need to build a tram depot which costs $40,000 and is unlocked when reaching a population of 2,400. Next you can simply build a road with tram lines from the depot and place two tram stops along it. From there create a route between the two stops and repeat nine more times. It doesn't matter that all of the routes are the same.

You can also carry on recreating the route to get: