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TEC has conducted noise studies for roadway and development projects in New Mexico, Texas, and Arizona. The firm is proficient at conducting studies in accordance with federal and state procedures, using the Federal Highway Administration's (FHWA) Traffic Noise Model (TNM). Noise studies conducted by TEC have been incorporated into a wide range of projects and have resulted in construction of numerous noise barriers. TEC has also performed field-noise monitoring to document existing noise conditions for roadway, rail, and related projects. TEC owns Type 1 sound meters and modeling software to evaluate noise impacts and barrier designs.
Interstate 40 Barriers, Uptown Albuquerque, NM, New Mexico Department of Transportation (NMDOT) and FHWA, 1992
 This project involved design and implementation of noise walls adjacent to I-40 in Albuquerque’s Uptown area. The walls utilize a two-tiered system, with 12-foot-high (3.7-meter-high) post and precast panels at the right-of-way line, a landscaped buffer strip, and concrete wall barriers at the shoulder of the highway. These barriers have been in place for more than eight years and are by most accounts a popular, cost-effective solution to the neighborhood’s previous noise problems.
Interstate 40 Noise Barrier Design, Unser Boulevard to Second Street, Albuquerque, NM, Bohannan-Huston, Inc., for the NMDOT and FHWA, 1992-97
 Initially this project involved a complete Environmental Assessment (EA) for eight miles of I-40, resulting in up to 10 travel lanes in the downtown area of Albuquerque, NM. Noise wall design concepts were developed during the EA and public involvement process. Following the release of the finding of no significant impact (FONSI), TEC developed noise wall specifications for the final design process. The design was complicated by the interchanges, elevated sections, bridges, and on/off ramps along this section of I-40.
Santa Fe Noise Contour Study, City and County of Santa Fe, NM, 2000
As part of a joint Santa Fe, NM City/County highway corridor land use planning initiative, TEC generated noise level contours for I-25 and the Santa Fe By-Pass, using the City and County geographic information system (GIS) data and traffic forecasts from the regional Tmodel.
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