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Enhancement
Activities |
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Mitigation of Highway Runoff and
Provisions for Wildlife Connectivity |
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Objective:
This category includes facilities
and programs to minimize pollution from storm water
runoff, and that are in addition to current
requirements and procedures for such mitigation.
Eligible activities in this category include the
development of programs to mitigate highway runoff
pollution and the planning, design and construction
of the mitigation facilities themselves. The
preferred type of facilities use natural systems for
treatment, are self-maintaining, are aesthetically
pleasing and ecologically valuable. These activities
can be either stand-alone projects or part of a
larger existing or proposed project under other TE
activities, as long as such activities are related
to surface transportation.
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This category also includes projects
for the provision of wildlife connectivity. Examples are
projects that would interconnect large areas with
identified wildlife losses, especially losses of
protected, threatened and/or endangered species on an
official State or Federal designation list. Note: all
projects eligible under this category must be located
along a roadway that has a functional classification of
"limited/controlled access",
"arterial" or "collector" (but not
"local").
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EXAMPLES: |
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- Creation of wetlands, adding vegetated ditches,
detention basins or other permanent filtering
systems to filter highway runoff in a sensitive
area.
- Installation of drainage facilities to
restore/protect original drainage patterns.
- Educational activities.
- Improving streams and drainage channels through
landscaping to promote filtering and improve the
overall water quality conditions of receiving
channels.
- Construction/modification of wildlife
underpasses, overpasses, wall openings, fencing or
culverts in critical locations which facilitate
wildlife crossings.
- Bridge extensions to provide or improve wildlife
passage/habitat connectivity.
- Monitoring/data collection on habitat
fragmentation and vehicle-related wildlife
mortality.
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Unallowable Uses:
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- Installation of mitigating facilities where
there is no wildlife or ecological habitat that
has evidence of potential harmful effects of water
pollution from highway runoff.
- Installation of any facility, such as a
detention basin, for which the sponsoring agency
has not identified operating funds for required
maintenance.
- Installation of fencing along roadways not known
to have critical wildlife crossings.
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BUDGET ITEMS FOR CONSIDERATION:
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- environmental consultant service (surveys, design,
permit acquisition, layout, construction supervision)
- in-stream constructed wetland (land disturbing
activities, construction, planting)
- geomorphic channel restoration
- water management
- water quality monitoring (equipment, testing,
analysis)
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- native grasses and shrub riparian buffers (land
preparation, plant materials, labor, etc.)
- information and education (signage, brochures)
- project management
- administrative fees
- environmental documentation
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Notes: Contingency amounts more than 10 % over a
two-year period must be accompanied by a detailed
explanation.
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CONTACTS |
Mitigation Contact:
Logan Williams, NCDOT |
lwilliams@dot.state.nc.us
(919)715-1482 |
Transportation
Enhancement Project Consultant:
Debbie Oliver Vick (NCDOT) |
dovick@dot.state.nc.us
(919) 733-2039 |
Transportation
Enhancement Project Consultant:
Ed Davis (NCDOT) |
edavis@dot.state.nc.us
(919) 733-2039 |
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Enhancement Administration:
Denese D. Lavender (NCDOT)
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dlavender@dot.state.nc.us
(919) 733-2039 |
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North Carolina Department of
Transportation
Program Development Branch -
Enhancement Unit |
Mail Service Center #1534
Raleigh, NC 27699-1534 |
Phone: (919) 733-2039
Fax: (919) 733-3585 |
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NCDOT