| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a vehicle passage regulation device which reduces a burden during construction, which facilitates repair in breakage, and which can freely protrude from/recede into a road surface R.SOLUTION: A vehicle passage regulation device includes: a passage regulation member 2 which regulates the passage of a vehicle; an accordion-like actuator 4 which supports the passage regulation member 2 from a downside and which is vertically expanded/contracted by supply/discharge of a fluid to make the passage regulation member 2 ascend from/descend onto a road surface R and protrude from/recede into it; and fluid supply/discharge means 80 for controlling the supply/discharge of the fluid to/from the accordion-like actuator 4.</p> |
