铺轨

铺轨	pū guǐ	to lay railway track
铺	pù	variant of 铺 / store
铺	pū	to spread / to display / to set up / (old) holder for door-knocker
铺	pù	plank bed / place to sleep / shop / store / (old) relay station
轨	guǐ	(bound form) rail; track; course; path