The "River of Grass Greenway," a proposed 75-mile bike trail along US-41 that would link Naples to Miami, faces a critical vote in Collier County today. The project has been in the works for years . The Collier County Metropolitan Planning Organization began a meeting at 9 a.m. to discuss whether or not to withdraw support for the project , first given approval in 2008. The majority of the proposed corridor crosses public lands, including national and state parks, preserves, and wildlife refuges