I've been using the hotbrick LB-2 for years to aggregate dsl and cable lines. Works like a charm.
I thought they had up to a 4connection version, but I don't see it anymore.
Amtrak actually makes a little money. Unlike, say, the massive socialist US interstate system.
And of course despite your Insightful rating, Amtrak loses money, over a billion dollars a year.
Lead me not into temptation... I can find it myself.