gold courses and the historic home Oaks II. MD 108 also passes near the historic homes The Ridge, via Muncaster Road, and Clover Hill, via Zion Road. The route expands to a four-lane divided highway at the western edge of Olney. In the center of the unincorporated suburb, MD 108 intersects MD 97 (Georgia Avenue) and its name changes to Olney Sandy Spring Road. The route continues southeast to the eastern edge of Olney, where the highway crosses James Creek and meets the northern end of MD 182 (Dr. Bird Road) next to Our Lady of Good Counsel High School and the Olney Theatre Center for the Arts. MD 108 veers northeast, drops to two lanes, and passes through the historic community of Sandy Spring, which is named for the nearby Sandy Spring Friends Meetinghouse. The highway gains a center left-turn lane and passes Sherwood High School before intersecting MD 650 (New Hampshire Avenue) in the village of Ashton. MD 108 leaves Ashton as two-lane undivided Ashton Road, which the route follows to the Montgomery–Howard county line at the Patuxent River. The highway continues northeast as Clarksville Pike through the village of Highland, where it meets the western end of MD 216 (Scaggsville Road) and Highland Road. MD 108 continues through the village of Clarksville, where the highway intersects Guilford Road and Ten Oaks Road. Just north of the latter road, the highway expands to four lanes at its diamond interchange with MD 32, which heads east as the Patuxent Freeway and northwest as Sykesville Road. MD 108 gains a center left-turn lane as it begins to pass along the northern edge of the large, planned community of Columbia. The highway passes along the edge of the westernmost of Columbia's villages, River Hill. From here, the road reduces to two lanes, passing northwest of River Hill High School and crossing the Middle Patuxent River. MD 108 continues east along the northern edge of the villages of Harper's Choice and Wilde Lake; between the two, the route passes historic Clark's Elioak Farm. MD 108 expands to a four-lane divided highway south of Lake Centennial and just west of its crossing of the Little Patuxent River in the village of Dorsey's Search. The route meets US 29 (Columbia Pike) at a cloverleaf interchange and curves southeast as Old Annapolis Road, passing northeast of a park and ride lot. MD 108 reduces to