B1
a sign by the side of the road that gives information about routes and distances
Dictionary examples:
The signpost said 'Shortcut 100m'. Three hours later, we're still lost! (0.0)
The signpost said 'Gym 1km, Pizza 100m'. Guess which way I went? (0.0)
The signpost said 'Free Ice Cream 1km'. Suddenly, everyone started running! (0.0)
There are signposts at the edge of the parking lot showing which paths lead to the lake and which to the tent sites and the camp store. (49.0)