| 摘要 |
PROBLEM TO BE SOLVED: To provide a structure and a method for preventing entering of an animal according to various installation modes of the road.SOLUTION: This structure prevents an animal from entering a road facility such as expressways. The structure includes a measure 10 disposed in a part of a drain intersecting an entering preventive fence F forming a boundary between the inside and the outside of the road facility. The measure 10 has an inflow port 11 connected with a drain 40 in the road facility on the upstream side and a discharge port 12 connected with a drain 42 outside the road facility on the downstream side, and a step of a suitable height is provided between the base of the drain 40 in the road facility and the base of the drain 42 outside the road facility in the draining passage of the measure 10. In a method for preventing an animal from entering the road facility such as expressways, in the drain intersecting the entering preventive fence F forming a boundary between the inside and the outside of the road facility, a step of a predetermined height is provided at a suitable position of the drain base in the vicinity of the entering preventive fence F, thereby disabling an animal from getting over the step. |
