Answer: milepost

AnswerCrossword Clue
MILEPOST

Highway distance marker

MILEPOST

Progress- marking event

MILEPOST

Road marker.

MILEPOST
Distance marker
MILEPOST
Marker at a race track
MILEPOSTRoad marker
MILEPOSTMarker
MILEPOSTHighway-distance marker
MILEPOSTHighway marker
MILEPOSTRoadside marker