Problem Statement: Many DOTs are being required to conduct surveys for bat as a part of ecological impact studies or biological assessments for endangered species. Positive identification of some endangered…
TERI Administrator Note (March 2008) Research Completed: HIGHWAY MEDIAN IMPACTS ON WILDLIFE MOVEMENT AND MORTALITY – State of the Practice Survey and Gap Analysis, CalTrans, 2006 http://www.dot.ca.gov/newtech/researchreports/reports/2006/median_barrier_final_report.pdf Problem Statement: Along…
Problem Statement: In transportation programs, there is a need to address situations that may affect salmon and their habitats under the Endangered Species Act (ESA). Culverts can block upstream passage…
Problem: Animal vehicle collisions are a challenge from the safety and ecological standpoint. Many current solutions are expensive (large crossing structures), potentially ineffective (static warning signs), or potentially ecologically damaging…
Problem Statement: Over the last decade natural resource agencies and transportation agencies have become increasingly aware of the effects that highway and railroad systems have on wildlife and fisheries. The…
Problem Statement: To maintain the highway infrastructure, right-of-way and their functions, many operations including snow and ice control, paving/patching, surface sealing, traffic marking and vegetation management may use chemical…
Problem Statement: Currently there is no basic methodology to predict soil loss or recommend erosion and sediment control measures specifically for highway projects. Lack of a methodology impairs the ability…
Problem Statement: When a gravel or native-surfaced road is paved, we do not know the effects of increased offsite soil erosion due to increase surface runoff. Proposed Research: It…
TERI Database Administrator Notes. Not recommended at present time by 2009 Natural Systems Subcommittee. Problem Statement: State DOTs are increasingly involved in making decisions regarding the reuse of wastes and…