English Nature (now Natural England) |
Great crested newt mitigation
guidelines |
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50cm |
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USFWS |
Desert Tortoise Fencing Specifications |
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55cm - 60cm
(22 inches - 24 inches) |
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Amphibian and Reptile Conservation |
Common Toads and Roads: Guidance
for planner and highways engineers (England) |
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40 cm (16 inches). |
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Queensland Department of Transport and Main Roads |
Fauna Sensitive Road
Design Manual Volume 2: Preferred Practices (2010) |
40 cm - 60 cm (16
inches - 24 inches). |
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- |
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40 cm (16 inches). |
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40 cm
(16 inches). |
Vic Roads |
Fauna sensitive road design guidelines |
40 cm - 60 cm (16
inches - 24 inches). |
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40 cm (16
inches). |
Western Transport Institute, Montana State University |
Construction
guidelines for wildlife fencing and associated escape and lateral access
control measures |
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60cm - 110 cm (24 inches to - 43 inches). |
60cm
- 110 cm (24 inches to - 43 inches). |
30 cm - 60 cm (12 inches - 24
inches). |
30 cm - 60 cm (12 inches - 24 inches). |
40 cm - 60 cm (16
inches - 24 inches). |
40 cm - 60 cm (16 inches - 24 inches). |
40 cm -
60 cm (16 inches - 24 inches). |
Ministry of Agriculture, Food and the Environment |
Technical
prescriptions for wildlife crossing and fence design (second edition,
revised and expanded) |
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40 cm (16 inches). |
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Ontario Ministry of Natural Resources and Forestry. |
Best Management
Practices for Mitigating the Effects of Roads on Amphibians and Reptile
Species at Risk in Ontario. |
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50 cm (20 inches). |
60 cm- 200 cm (24
inches - 79 inches). |
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60 cm (24 inches). |
30 cm (12 inches). |
50
cm (20 inches). |
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Wildlife Institute of India |
Eco-friendly measures to mitigate impacts
of linear infrastructure on wildlife |
> 80 cm
(> 31 inches) |
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Ministry of Environment and Climate Change Strategy |
Guidelines for
Amphibian and Reptile Conservation During Road Building and Management
Activities in British Columbia |
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100 cm (40 inches). |
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60 cm
- (24 inches). |
30 cm (12 inches). |
50 cm (20 inches). |
50 cm (20
inches). |
Caltrans |
Measures to Reduce Road Impacts on Amphibians and Reptiles in
California:Best Management Practices and Technical Guidance |
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33 cm
- 76 cm (13 inches -30 inches). |
64 cm - 110 mcm (25 inches - 43
inches). |
46 cm (18 inches). |
38 cm - 91 cm (15 inches - 35 inches). |
38 cm (15 inches). |
46 cm - 64 cm (18 inches - 25 inches). |
76 cm -
97 cm (30 inches - 38 inches). |
IENE |
Wildlife and Traffic: A European Handbook for Identifying
Conflicts and Designing Solutions |
40 cm -60 cm (16 inches - 24
inches). |
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Arizona Fish & GameĀ Department |
Wildlife Compatible Fencing |
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122 cm (48 inches). |
15 cm (6 inches). |
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