Caltrans will be obliged to meet with state and federal wildlife agencies and local bird advocates next year before resuming highway work in Petaluma, assuming Gov. Jerry Brown signs the state budget package on his desk.
The language in a broader bill prevents the state transportation agency from working on the Marin-Sonoma Narrows Highway 101 project during next year's bird migration season before its representatives discuss "exclusionary measures" to protect birds.
Tenth District Assemblyman Marc Levine, D-San Rafael, pushed the language to protect migratory cliff swallows, many of which were killed this spring in nets Caltrans applied under Highway 101 to keep them from building their mud nests on bridge supports.
Either because of the type of net or problems with their installation, birds were being trapped as they built or accessed their mud nests on the concrete.
Levine said Tuesday the budget package includes language assuring that, before work resumes during the spring 2014 migratory season, Caltrans will meet with the California Department of Fish and Wildlife, the U.S. Fish and Wildlife Service and local conservation and community organizations that have expertise in migratory birds.