Keene, New Hampshire – Each spring, a quiet stretch of North Lincoln Street becomes the unlikely focus of a community effort to protect amphibians on the move. On mild, rainy nights in March, volunteers gather with flashlights to guide wood frogs, spring peepers, red-backed salamanders and spotted salamanders across the pavement toward their breeding wetlands. The work addresses a long-standing problem: roads that slice through traditional migration routes and pose lethal risks to slow-moving creatures.
The Migration That Draws Crowds
Amphibians in the region spend winters in upland forests before heading downhill to wetlands for breeding. North Lincoln Street sits directly in their path, turning a natural journey into a hazardous crossing each year. Local authorities close the two-lane road to vehicles on peak migration nights, yet the volume of animals still requires human assistance to avoid traffic. The scene often features dozens of people in reflective vests scanning the asphalt under steady rain. Their beams catch the small forms inching forward, and the collective effort prevents many deaths that would otherwise occur. This annual ritual has become a signature local response to habitat fragmentation caused by development.
From Hand-Carrying to Permanent Fixes
Volunteers have long carried individual animals across the road by hand, a method that works but depends on available people and stamina. Organizers view these brigades as an interim measure rather than a complete solution. The shift toward infrastructure reflects a desire for reliable, year-round protection that does not rely solely on human presence. Brett Amy Thelen, who coordinates the efforts through the Harris Center for Conservation Education, has described the brigades as the first step rather than the last. That outlook has guided the push for more durable measures that reduce the need for repeated interventions.
Building Passages Beneath the Road
The new initiative centers on constructing small tunnels under North Lincoln Street. These passages allow salamanders and frogs to travel safely without surfacing amid traffic. Construction focuses on locations where migration concentrations are highest, creating dedicated routes that align with the animals’ natural paths. Engineers design the tunnels with features that encourage use, such as appropriate sizing and moisture retention. Early monitoring will track how many animals adopt the new underpasses over time. The approach combines immediate volunteer action with longer-term engineering to address both current and future crossings.
Looking Ahead for Local Wildlife
The combination of road closures, volunteer patrols and underground tunnels represents a practical model for other communities facing similar conflicts between roads and wildlife movement. Success will depend on continued monitoring and adjustments based on observed animal behavior. Residents in Keene have shown that sustained local involvement can produce tangible protections for species that might otherwise decline. As migration seasons continue, the tunnels stand ready to supplement the flashlight crews. The effort underscores how small-scale conservation actions can preserve connections between forests and wetlands that amphibians have followed for generations.






