US 15 highlighted in red and business loops in blue | ||||
Route information | ||||
Maintained by PennDOT | ||||
Length | 194.89 mi[1] (313.65 km) | |||
Tourist routes | ![]() | |||
Major junctions | ||||
South end | ![]() | |||
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North end | ![]() ![]() | |||
Location | ||||
Country | United States | |||
State | Pennsylvania | |||
Counties | Adams, York, Cumberland, Perry, Dauphin, Juniata, Snyder, Union, Lycoming, Tioga | |||
Highway system | ||||
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U.S. Route 15 (US 15) is United States Numbered Highway that runs from Walterboro, South Carolina, north to Painted Post, New York. In Pennsylvania, the highway runs for 194.89 miles (313.65 km), from the Maryland state line just south of Gettysburg, north to the New York state line near Lawrenceville.