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Common Types of Wildlife Crossing Structures
Barrier 
Structures designed to stop movement in a given direction.
Fence

A barrier or diversion structure usually with some type of material between support structures. Often defined by the material between the support structures.

Diversion fences are sometimes calleddrift or guide fences.

Wire Fence
Wire
Barbed wire
Woven wire
Chain link
Rail
Plastic mesh
Electric

Electrified strands that give grounded organisms a shock when touched. Shock is typically intense, but not physiologically damaging.

Braided Rope
High-tensile wire
Jersey
Barrier
Structures used primarily to affect vehicles direction. Solid or solid with openings.
Jersey Barrier
concrete
Wall
Solid wall
Solid Wall
Concrete
Brick
Wood
Sound Wall
A solid wall used for absorbing or deflecting sound
produced from the highway.
Sound Wall
Brick
Wood
Concrete
Sheet Piling
In-roadway 
Barrier
Support structures for vehicles built over a pit and used to prevent wildlife access across a break in fencing or other barrier. Similar to a cattle guard, but designed for wildlife. Also calleddeer guard.
In Road Barrier
 

 

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Page Last Modified: March 29, 2013