And transport still needs what...think that through a little more...
The roads for mass transit are the same as they are for individual transit...and they aren't specialized, they're universal. A small car, bike, bus, or semi can all drive on the same road.
A train track can only be used by a train. Sidewalks can only be used by pedestrians and maybe bikers.
A road however -- can be used by all shape and size of transport; including the transport that the last 14% need.
He probably took a nap because he was trapped in there and desperately trying to get out for hours and hours. Poor thing was probably exhausted as fuck trying to escape.