police officers secure highway accident site at night. emergency response team works on road with illuminated cones. safety

police officer securing highway accident site safety traffic emergency intervention road alert protection visibility barrier orange caution rescue scene teamwork response patrol light work safetygear night emergencyresponse accidentscene highwayaccident roadsafety trafficcontrol emergencyvehicle patrolcar policecar emergencypersonnel safetyequipment trafficcone illuminatedcone conebarriers nighttime safetymeasures emergencyservices responseteam highwaypatrol visibilityimprovement accidentprevention roadmaintenance trafficmanagement emergencyintervention accidentrecovery