Possible Clues:

• Go with artistic need to change order of play
• Instruction for players in part of journey South, perhaps
• "Exeunt," for one
• Instruction for players that indicates where coach is heading
• Settling into part after little time, old Irish actor will carry it out
• Order of play?
• Wild West transport heading for exit, say?
• For example, 'exit coach left'?
• For example, enter Deadwood in Calamity Jane?