Matthew Russotto wrote:
>
> Further, I'm not sure why a bicyclist only needs an 18-inch wide path
> but when he's out on the road a 48-inch wide path is just too narrow
> for him.

Perhaps that's because the objects to either side of him on the trail
won't mangle him and leave him for dead, but many of those on the road
will.

Chalo Colina