Amphibian guidance tunnel to enable animals to safely follow their migratory routes.

• Minimizes danger to animals and drivers where migratory routes cross roads
• Tunnels are manufactured from polymer concrete
• Air slots allow air, moisture and light into the tunnel, creating an acceptable environment for the amphibians to enter
• The tunnel lies flush with the road surface and is tested to DIN19580 Class D - 90,000lbs for driver safety
• AT500 has an internal width of 19.69" (500mm)