TERI Database Administrator Notes. Not recommended at present time by 2009 Natural Systems Subcommittee. Along Route 20 from Ashton to the Montana border in eastern Idaho motorists are threatened by…
Idaho has mapped approximately 315 wildlife linkages associated with its road and highway system using expert opinion workshops and a rapid assessment protocol. Of these, 37 have been identified as…
Idaho’s topography requires that its roads and highways system cross a large number of waters. Each of these crossings represents not only a design challenge in terms of road and…
TERI Database Administrator Notes. Not recommended at present time by 2009 Natural Systems Subcommittee. FHWA is currently establishing a 100 acre native grassland planting along I-35. We do not have…
The California Department of Transportation (Caltrans) owns thousands of bridges throughout California, many of which provide habitat for bats. Bats seek out bridges for thermal regulation during reproduction, food digestion,…
There are newly construced wildlife crossing structures on US 93 through the Flathead Indian Reservation. Digital remote sensing cameras would be purchased and installed in these crossing structures to monitor…
Considering the temporary nesting patterns of both migratory and resident birds such as a nesting Eagle or local bat populations, the net effect to a construction project in the immediate…
TERI Database Administrator Notes: Not recommended at present time by 2009 Environmental Process Subcommittee. State departments of transportation, as well as regional transportation agencies and organizations, (herein after ‘transportation agencies’)…
The Permeable Friction Course (PFC also known as Open Graded Friction Course)is a two inch thick overlay applied to existing pavement to reduce splash and spray behind vehicles, and to…
To test, and disseminate to the highway community in the arid West, a method of erosion control used in mine reclamation. Rill & gully erosion is a pervasive problem on…