[bombcar]

To be fair, all bus lines are government subsidized, unless one somewhere has built their own roads - maybe the Disney shuttle?

[monsieurbanana]

How many businesses are not government subsidised, if we follow your logic?

[zeckalpha]

Now you are onto it!

[majewsky]

Exactly.

[Mountain_Skies]

In theory fuel taxes and registration taxes on the buses should cover their share of that cost but the math becomes tricky when you start trying to calculate the time and space value of different road segments.