Two Vermont wildlife underpasses resulted in an 80% reduction in amphibian deaths according to a comprehensive study spanning 5 years pre-construction and 7 years post-construction.
Marcelino, Matthew R., Steve G. Parren, and Brittany A. Mosher. “Assessing the efficacy of wildlife underpasses in mitigating amphibian road mortality: A case study from the northeastern United States.” Journal for Nature Conservation 86 (2025). https://doi.org/10.1016/j.jnc.2025.126901.
