Stone Mountain Freeway Gwinnett County and have a partial interchange with Park Place Boulevard and Rockbridge Road. Just to the east of this interchange, the freeway ends and US 78/SR 10 continue to the east, locally known as Stone Mountain Highway. West of I-285, the speed limit is . East of the interchange with I-285, the limit rises to . Unlike Georgia's Interstate highways, the highway still has actual sequential exit numbers, rather than being mileage-based. There is no exit 6, which makes the exit numbering non-sequential. All of Stone Mountain Freeway is included as part of the National Highway System, a system
Dans Mountain State Park Old Dan's Rock Road in Midland. There is no direct access to Dan's Rock Overlook from Dan's Mountain State Park. Dans Mountain State Park Dan's Mountain State Park is a public recreation area located south of Frostburg and to the east of the town of Lonaconing in Allegany County, Maryland. The state park occupies on Dans Mountain and is managed by the Maryland Department of Natural Resources. Dans Mountain was named after Daniel Cresap, the son of Thomas Cresap and an early settler of Allegany County who fell from a tree on the mountain while hunting bear cubs. According to