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- W2137156941 abstract "State Route (SR) 101 north of San Luis Obispo, California is a major regional traffic corridor with peak weekday traffic volumes of approximately 4,000 vehicles per hour. State Route 101 also bisects a major wildlife corridor in and near the Los Padres National Forest in the central coast region of California. Animal-vehicle collisions (AVCs) with large mammals including mule deer (Odocoileus hemionus), black bear (Ursus americanus), mountain lion (Puma concolor), and feral pig (Sus scrofula) are a safety issue. Data provided by California Department of Fish and Wildlife indicates this section of highway may have a higher than normal AVC rate for black bear compared to other areas in the State. To develop solutions, Caltrans initiated an ongoing collaboration with California Polytechnic State University (Calpoly) in San Luis Obispo. Starting in 2009, students used automatic camera stations, trackplates and daily drive transects to document wildlife roadkills, roadside activity and use of existing underpasses for a wildlife connectivity study associated with a proposed median barrier project. Results from this study helped guide design decisions for a wildlife exclusion fence in a roadkill hotspot located in the same area. The project includes 2.5 miles of wildlife exclusion fence installed on both sides of SR 101, four jump-outs constructed at strategic locations to allow wildlife that become trapped along the roadway to escape from the highway corridor, and four electric mats installed as wildlife guards to discourage wildlife (bears in particular) from entering the highway corridor at unfenced roadways that intersect SR 101. The fencing project was funded through the Federal Highway Administration’s Transportation Enhancement Program in 2009 and was completed in April 2012. Currently, Calpoly students are monitoring the fence’s effectiveness at reducing roadkills while maintaining regional wildlife connectivity. Post-construction surveys began in summer 2012 and will continue for at least 12 months to allow for direct comparison with the 2009 pre-construction data. Students are conducting roadkill surveys to determine whether AVC rates have been reduced within the project area. Automatic camera stations have been deployed at the electric mats, jump-outs and undercrossings to quantify species-specific responses to these features. Initial results have documented the electric mats deterring bears from entering the road corridor, but suggest the design should be modified to better exclude deer. Results have also indicated that multiple species are using the undercrossings and deer are using the jump-outs. On-going monitoring and collaboration with partners has allowed Caltrans to integrate concerns about AVC rates and the preservation of wildlife habitat connectivity into the transportation planning process. The project received the Caltrans “Excellence in Transportation Award” in 2012 and the California Transportation Foundation 2013 Safety Project of the Year Award." @default.
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- W2137156941 date "2013-01-01" @default.
- W2137156941 modified "2023-09-27" @default.
- W2137156941 title "SAVING LIVES AND TRAINING THE NEXT GENERATION: STATE ROUTE 101 WILDLIFE CORRIDOR SAFETY PROJECT" @default.
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