METHOD OF SETTING GUARDING INSTRUMENT FOR ROAD WORK AND SECURITY SYSTEM FOR ROAD WORK

摘要

PROBLEM TO BE SOLVED: To easily and quickly set guarding instruments such as a hose member to be laid on a road as a warning line for sectioning a traffic regulated zone and a traffic allowed zone at appropriate positions when a traffic accident occurs or the like.SOLUTION: A safety vehicle 1 equipped with the hose member 2, a hose reel 3 for winding the hose member so as to freely deliver it, a pressure sensor 4 for detecting the internal pressure of the hose member and an alarm to be operated on the basis of the output signals of the pressure sensor is stopped at the rear part of a lane part to be the traffic regulated zone Za and a marker 6 is installed behind the safety vehicle 1. The safety vehicle 1 is made to travel and move to the front part of the lane part to be the traffic regulated zone Za in the state of locking the delivery end of the hose member 2 to the marker 6, thus the hose member 2 is delivered from the hose reel 3 to the rear part of the safety vehicle 1 and laid on the road, and the safety vehicle 1 equipped with the alarm is stopped at the front part of the lane part to be the traffic regulated zone Za as an alarm transmission source.