MD 194 continue as Francis Scott Key Highway through Keymar , where the north – south and east – west lines of the Maryland Midland Railway intersect . The state highway have a grade crossing of the east – west rail line and intersect Middleburg Road , which head west as MD 77 . In the hamlet of Bruceville , MD 194 crosses Big Pipe Creek and intersect Keysville Bruceville Road , which head northwest toward the village of Keysville and Terra Rubra , the birthplace of Francis Scott Key . The state highway pass the historic Winemiller Family Farm and Keefer @-@ Brubaker Farm on its way to Taneytown . MD 194 , which become Frederick Street , cross a branch of Piney Creek and pass the Ludwick Rudisel Tannery House . In the center of the Taneytown Historic District , the state highway intersect MD 140 ( Baltimore Street ) , where MD 194 become York Street . After leaving Taneytown , the state highway become Francis Scott Key Highway again as it head through farmland . MD 194 crosses Piney Creek before reaching its northern terminus at the Pennsylvania state line . The roadway continue north as PA 194 ( Frederick Pike ) toward Littlestown and Hanover .