Northern terminus; northern terminus of US 15
Southern end of US 220 concurrency; continuation south
Blair
To PA 550 and Huntingdon
Interstate 99
yes
Northbound exit only; NY 415 not signed; western terminus of NY 352
Highway in den Vereinigten Staaten
East St. Clair Township
Southbound exit only
Northern segment
Cogan House Township
Mansfield
Access to Cowanesque Lake
Southern end of PA 26 concurrency
Tioga
Foy Avenue, High Street, Lycoming Creek Road
Grays Woods, Waddle
Access to Logan Town Centre
Access via US 220 Bus.
주간고속도로 제99호선
Southern terminus of PA 865
Worth Township
Access via Park Avenue; access to Beaver Stadium and Bryce Jordan Center
Robert Dann Drive
Access via Grays Woods Boulevard/Atherton Street
* in Mansfield, PA * near Addison, NY
No northbound exit
Freedom Township
Signed for US 322 Bus./Atherton northbound, Valley Vista/Park Forest southbound; western terminus of US 322 Bus.
weg in de Verenigde Staten
Southern terminus of PA 14
Access to Lakemont Park and Peoples Natural Gas Field
near Bellefonte, PA
Claysburg, King
Access via Waddle Road
Spring Township
NY: Steuben
Northbound exit and southbound entrance; exit 44 on I-86
near Painted Post, NY
Shiloh Road
Patton Township
Eastern terminus of PA 284
Jackson Township
Lawrence
Williamsport
Erwin
Southern end of US 322 concurrency; southbound exit and northbound entrance
concur
Blossburg
Eastern terminus of PA 184
Fourth Street
South
Benner Township
Logan Township
Southbound exit and entrance; connected to Steam Valley Road via State Route 4011
bóthar mór sna Stáit Aontaithe
USA
Access to Logan Valley Mall
autoroute américaine
I-99 highlighted in red and Future I-99 in blue
Northbound exit and southbound entrance
Northern terminus of PA 764
North
Steuben
Northern end of US 220/PA 26 concurrency; continuation north
Bedford
concur,incomplete
Southern segment
Harrison Road
Snyder Township
incomplete
Southern terminus of US 15 Bus.; eastern terminus of PA 660
כביש בארצות הברית
Southern end of US 15 concurrency; current southern terminus; western terminus and exit 29 on I-180
none
Northbound exit and entrance; access via State Route 4011
Lycoming
Pennsylvania–New York state line
Liberty
Northern end of US 322 concurrency
* near Cessna, PA * near Altoona, PA * in Tyrone, PA * near State College, PA * near Bellefonte, PA * near Pleasant Gap, PA
Signed as exits 78A and 78B
Southbound exit and northbound entrance; northern terminus of US 15 Bus.
Southbound exit and entrance
99号州际公路
Northbound exit and entrance
jalan di Amerika Serikat
Centre
Third Street
Access via Pleasant Valley Boulevard; access to DelGrosso's Amusement Park
Antis Township
Lewis
Old Lycoming
Richmond
Access via US 220 Alt.
Access to Hills Creek State Park and Mansfield University
Tyrone
Interestatal 99
Lindley
Greenfield Township
Access via Sarah Furnace Road
in Williamsport, PA
Interstate Highway in Pennsylvania and New York in the United States
Bedford Township
King Township
PA: Bedford, Blair, Centre
near Bedford, PA
College Township
Allegheny Township