Emerald Trail Project Manager Groundwork Jacksonville (GWJax) is seeking a Trail Project Manager who will oversee design and construction of the Emerald Trail. The Emerald Trail will be a 30-mile bicycle/pedestrian trail and linear park system when completed. It includes the construction of more than 20 miles of trail and the restoration of McCoys Creek and Hogans Creek. GWJax is partnering with the City of Jacksonville (COJ) and the Jacksonville Transportation Authority (JTA) to build the Emerald Trail, in collaboration with 14 historic urban neighborhoods. Use links below to view the Emerald Trail Master Plan and the Design Guidelines documents: