They plan to be producing Falcon family rockets for a long time yet, and those are sized to permit highway shipping. They plan to produce larger rockets for th

They plan to be producing Falcon family rockets for a long time yet, and those are sized to permit highway shipping. They plan to produce larger rockets for the Mars project, but their current plan for those, per hints they've occasionally dribbled out at industry confabs, is to build a new factory near the launch site.