Answer:

pylons

AnswerCrossword Clue
PYLONSRace markers
PYLONSAir-race towers
PYLONSTraffic cones
PYLONSRoad cones
PYLONSConstruction zone cones
PYLONSPower towers
PYLONSAir-race markers
PYLONSAviation markers
PYLONSRoad construction cones
PYLONSTowers supporting high-tension lines.
PYLONSAir-race markers.
PYLONSAviators' guides
PYLONSAir race markers
PYLONSDetour signalers
PYLONSFootball endzone markers
PYLONSDetour markers