A follow-up:

If JK is right, suppose a car traveling 1 mile does 3 cents of damage to the road. By his interpretation, a bus traveling 1 mile, just once, causes $660.00 of damage. If that bus has an average speed of 15 miles per hour, that's nearly $10,000 of damage per hour! In a 16-hour service day, that lone bus could rack up $160,000 in damages before it even returns to the garage.

Why, you can just see the roads crumble into dust and vaporize every time a bus goes by, and the crews following right behind laying down new pavement before the next bus gets there...

I've never seen such an argument in favor of running transit on steel rails instead of pavement! Light Rail could save us $billions every few days, by JK's standards.