State highway in Calhoun County, Michigan, United States
M-311 is a 13.7-mile-long (22.0 km) state trunkline highway in Calhoun County in the US state of Michigan that runs from the intersection of M-60 in Burlington north to Interstate 94 (I-94) at exit 104 in Emmett Township. It was previously an unsigned state trunkline, meaning that no reassurance markers were used to identify the highway. The route mainly consists of 11 Mile Road, which was a county road prior to the 1998 rationalization process.