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Maryland Route 146 Maryland Route 146 (MD 146) is a state highway in the U.S. state of Maryland. The state highway runs from MD 45 in Towson north to MD 23 near Jarrettsville. MD 146 connects Towson with Loch Raven Reservoir, an impoundment of Gunpowder Falls. The state highway also serves the northern Baltimore County community of Jacksonville and Jarrettsville in western Harford County. MD 146 was constructed as two different state highways on either side of Loch Raven Reservoir. The section of the state highway in Towson was built in the 1910s and the portion through Jacksonville to Jarrettsville was constructed in the late 1920s and early 1930s. The gap in MD 146 through Loch Raven Reservoir was filled in two steps of maintenance swaps in the early 1960s and late 1970s. Route description MD 146 begins at the Towson Roundabout, a five-leg, racetrack-shaped roundabout in the center of Towson. The roundabout also features MD 45 (York Road), which heads south toward Baltimore and northwest toward Lutherville, and Joppa Road, a county-maintained highway that runs west toward Brooklandville and east toward Parkville. MD 146 heads northeast as Dulaney Valley Road, a four-lane divided boulevard that passes along the west side of the Towson Town Center shopping mall and the campus of Goucher College. The state highway meets Interstate 695 (Baltimore Beltway) at a partial cloverleaf interchange. The ramp from the westbound Beltway to MD 146 connects via Hampton Lane, which heads east past Towson United Methodist Church toward Hampton National Historic Site. North of the Beltway, MD 146 is a five-lane road with a center left-turn lane that passes between the suburbs of Hampton to the east and Lutherville to the west. MD 146 reduces to two lanes just north of Seminary Road and its traversal of Long Quarter Branch, which flows into Loch Raven Reservoir. The state highway passes between Timonium to the west and the reservoir parkland on the east. North of Timonium Road, MD 146 fully enters Loch Raven Reservoir Park. At Old Bosley Road, the state highway curves east and crosses the reservoir. Just east of the bridge, Dulaney Valley Road continues east while MD 146 veers north as Jarrettsville Pike. The state highway passes by the historic home Eagle's Nest as it leaves the reservoir valley. MD 146 intersects Sunnybrook Road and Merrymans Mill Road in the hamlet of Sunnybrook before passing through Jacksonville, a community also known as Phoenix that is centered at the highway's intersection with MD 145. MD 145 heads east as Sweet Air Road toward Baldwin and west as Paper Mill Road toward Cockeysville. North of Jacksonville, MD 146 crosses Little Gunpowder Falls into Harford County. The state highway passes through the communities of Hess and Taylor, where the highway passes the Ladew Topiary Gardens and meets the northern end of MD 152 (Fallston Road). MD 146 reaches its northern terminus at its intersection with MD 23 (Norrisville Road) in the hamlet of Madonna west of Jarrettsville. The roadway continues