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Low Berm Measuring and Modeling

Field test and model 12-15 low berms along different roadways and document the results. Compare the measured to the modeled results. Compare the results to typical structural noise barrier results.

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MOVES Modeling for Higher Road Grades

Emission factors versus speed curves generated using the MOVES3 model exhibit very anomalous behavior at higher road grades that are within the range encountered in project-level air quality analyses for

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Wildlife Crossing Structures

Monitor different crossing structures to determine which kinds work best. TERI Administrator Note (June 2007): Research Completed (See Below) NCHRP – Evaluation of the Use and Effectiveness of Wildlife Crossings,

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Roadside Animal Detection Systems Test-bed

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

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Off-Structure Bat Mitigation

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,

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Quieter Rumble Strip Design Standards

TERI Database Administrator Notes:  Not recommended at present time by 2009 Environmental Process Subcommittee. Vehicles striking rumble strips can elevate wayside noise levels and generate noise complaints in noise sensitive

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Mitigating Noise Impacts to Mammals

With the advent of the Marine Protection Act, new construction methods are necessary to reduce the underwater noise impacts to mammals.  This research would examine alternative construction practices to reduce noise.

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BMP Effectiveness Evaluation for DOTs

Background: DOTs routinely complete BMP effectiveness studies as a part of their research to improve their stormwater program. Many of the effectiveness studies duplicate research in other parts of the

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Induced Growth

A study of past road projects that had added capacity and an analysis of induced growth caused by these projects. Determining which projects that added capacity actually induced growth and

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Highway Photovoltaic Noise Barriers (PVNB)

Transportation agencies worldwide are increasingly seeking ways to cost-effectively improve the sustainability of their various activities, particularly by reducing their greenhouse gas emissions. The PVNB is one technology that highway

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Eco-melting options for urban roads

This study presents thermal snow melting methods utilizing electric heating cable, geothermal, tunnel water heat, and solar that can be applicable for various locations on modern road networks. Compared with

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Crowd-sourced road roughness mapping

The purpose of this study is to demonstrate the use of smartphone sensors for automatically assessing the roughness of pavement and then efficiently managing the pavement network. By developing appropriate

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