At this intersection is the Big Chicken restaurant of KFC. SR 3 Conn. proceeds to the east and has an incomplete interchange with the northbound lanes of Northwest Corridor Express Lanes of Interstate 75 (I-75). The highway then curves to the northeast and reaches its eastern terminus, an interchange with SR 120 (Marietta Parkway/Roswell Road) and the eastern terminus of SR 120 Alt. (Marietta Parkway). The highway was formed in 2007 when SR 120 was rerouted out of downtown Marietta. State Route 3 Connector (SR 3 Conn.) is in Whitfield County south of Dalton; it connects Interstate 75 (I-75) to US 41/SR 3 and the Dalton Bypass. All of SR 3 Conn., from I-75 to its eastern terminus, is part of the National Highway System, a system of routes determined to be the most important for the nation's economy, mobility, and defense.