Answer: guardrail

AnswerCrossword Clue
GUARDRAILRoad safety feature
GUARDRAILParkway protection
GUARDRAILHighway barrier
GUARDRAILFreeway safety barrier
guardraila rail to prevent falling
guardrailA rail that prevents people from falling off or being hit by something
guardrailA strong fence at the side of a road or in the middle of an expressway, intended to reduce the risk of serious accidents