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Public works briefs committee on rising deer collisions, offers vegetation-targeting steps
Summary
County staff presented a briefing showing rising deer crashes and injuries, explained seasonal movement patterns and suggested targeted vegetation management, herbicide treatment and public education as mitigation steps.
Walworth County Public Works staff on March 17 briefed the Public Works Committee on a rise in deer-related crashes and discussed targeted roadside vegetation management and public education to reduce collisions.
Staff said county data show deer-related crashes and injuries have risen, placing Walworth County near the state’s top 10 for collisions (exact annual counts and ranking were not supplied in the transcript). Staff reported Walworth County accounts for about 3% of statewide deer-related injuries and about 3.4% of statewide deer-related crashes, per an embedded Department of Natural Resources summary included in the committee packet.
Staff reviewed seasonal patterns for deer movement—rutting in October–November and a May–June period when fawns are born—and said collisions are most likely at dusk and dawn and during milder winters. Public-works staff recommended motorists slow down, scan for groups of deer ("if you see 1 deer across the path, slow down, watch carefully, look for more"), and avoid swerving to dodge deer. They also explained the county relies on a state-managed deer-kill contract for carcass removal in most cases and that public works will remove carcasses in particularly hazardous locations.
For mitigation, staff proposed continued mowing, targeted herbicide treatment to reduce roadside cover in known hot spots, and selective tree and brush removal adjacent to roadways. They said county mowing averages “about 5 or 6,000 hours a year” and that additional targeted cutting may be used in hotspots. The staff discouraged widespread new signage because of potential sign “noise,” but said there are already known hotspots that have signs in more urbanized approaches such as near Lake Geneva.
The briefing generated discussion about hunting licenses and broader trends; no formal motion or action was taken on the deer-crash item.
Why it matters: Deer collisions cause injury and vehicle damage; the county’s approach is operational (vegetation management and targeted mitigation) and educational rather than regulatory.
