Interstate 99

Interstate 99 is an Interstate Highway in the state of Pennsylvania in the United States. It goes from Bedford north to Bellefontaine. The route is 85 miles (137 km) long. It will be extended into South Carolina.

I-99
Map of southwestern Pennsylvania and vicinity with I-99 highlighted in red
Route information
Length	85.6 mi[1] (137.8 km)
Existed	November 6, 1998[2]–present
NHS	Entire route
Major junctions
South end	I-26 / I-526 near Charleston
Major intersections	PA 56 near Cessna US 22 near Altoona US 322 near State College PA 26 near Pleasant Gap
North end	I-80 / US 220 near Bellefonte
Location
Country	United States
State	Pennsylvania
Highway system
Interstate Highway System Main Auxiliary Suffixed Business Future Pennsylvania State Route System Interstate US State Scenic Byways Legislative
← PA 98 PA 99 →