How much will traffic calming devices cost?
A speed hump normally costs $500 to $1,000 to construct. The wider the roadway, the more a speed hump will cost. In many neighborhoods, the cost is approximately $550. A traffic circle normally costs $3,000 to $5,000 to construct. The neighborhood must secure a one year maintenance contract to maintain the landscaping in the traffic circle or traffic islands. The County will pay for signing and striping needs.
