Interstate 99, PennsylvaniaRoads of the Mid-South & West > Highways of the Commonwealth of Pennsylvania > Interstate 99, Pennsylavania

Interstate 99

Interstate 99 is a north-south interstate highway in Western Pennsylvania. It currently runs from Intersrtate 70/79; Pennsylvania Turnpike, near Bedford, to Interstate 80, near Bellefonte. This highway defies the standard interstate highway numbering order. I-99 was approved and first signed in 1998.

There are future plans to extend Interstate 99 from Interstate 80 to the Pennsylvania/New York State Line, near Lindley, New York. This would then connect the section of I-99 in New York State to the current section of I-99 in Pennsylvania.

While in Pennsylvania, I-99 is multi-plexed.

I-99 is multi-plexed with...

...U.S. Rt. 220, from near Bedford, to near Bellefonte.
...U.S. Rt. 322, from near Port Matilda, to near Houserville.
...Pennsylvania State Route 26, from near Axemann, to near Bellefonte.

In Pennsylvania, Interstate 99 crosses the following interstates.

Interstate 70 (Pennsylvania Turnpike), near Bedford.
Interstate 76 (Pennsylvania Turnpike), near Bedford.
Interstate 80. near Bellefonte.

There are no branches of I-99 in Pennsylvania.


EB I-70/76; PA Turn.

A BGS on WB I-70/76/PA Turn.

A set of guide markers on the ramp from I-70/76/PA Turn.

A set of guide markers on the ramp from I-70/76/PA Turn.

A BGS on NB BUSN U.S. Rt. 220.

18 March 2020