[arthurbrown]

Can't this line of reasoning be applied to any transport infrastructure?

[legacynl]

Yes! and that's why public transport is so good. Because it's everything the comment said, but without the cost of buying, operating and maintaining a vehicle.

[undersuit]

Vehicles built to handle 5-8 travellers, the majority of vehicles sold in the US, are more often than not carrying one driver and no passengers for significant numbers of trips breaks this line of reasoning.