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Maryland Route 45, the majority of which is known locally as York Road with a section several miles long known as Greenmount Avenue, is a main road from U.S. Route 1 (North Avenue) in Baltimore, Maryland, north to the Pennsylvania state line, where it continues to York, Pennsylvania. Until a bypass (now I-83) was built in the 1950s, it was the path of US 111; the road now serves mostly local traffic. However, south of the Baltimore Beltway (I-695), MD 45 was US 111 until 1963, when US 111 was decommissioned.
The change in name from York Road to Greenmount Avenue, which occurs near the intersection with East 41st St., marks the location where the Baltimore city line lay from 1888 to 1917. The city limits were pushed northward after 1917, but the portion of the road annexed by Baltimore City at that time was not renamed.
MD 45 passes through the Baltimore suburbs of Towson, Lutherville-Timonium and Cockeysville. Within the Baltimore city limits, the historic Senator Theatre is on the road. In Towson, MD 45 passes through the Towson Circle, the first modern roundabout in Maryland.
Maryland Route 45 Bypass is a short bypass around the west side of downtown Towson, signed by Baltimore County.
External links
"Maryland Route 45"